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Wide variety of ATAGO's Hand-held Refractometers. Pick up the best refractometer depending on the type of sample and its environment.

MASTER series Refractometer

NON ATC

M series
Automatic Temperature Compensating and Water Resistant (IP65) model
α series
Automatic Temperature Compensating model

T series
Automatic Temperature Compensating and Water Resistant (IP65)
H series (Heat Resistant model)
MASTER-M
MASTER-PM
MASTER-2M
MASTER-3M
MASTER-4M
MASTER-53M
MASTER-10M
MASTER-20M
MASTER-S28M (Salt water)
MASTER-S10M (Salt water)
MASTER-S/MillM (Sea Water)
MASTER-BR (Coolant)
MASTER-BC (Battery °C)
MASTER-BCF (Battery °F)
MASTER-RI (nD Scale)
MASTER-α
MASTER-Pα
MASTER-2α
MASTER-3α
MASTER-4α
MASTER-53α
MASTER-10α
MASTER-20α
MASTER-S28α
MASTER-S10α (Salt water)
MASTER-S/Millα (Sea Water)
MASTER-MILK
MASTER-T
MASTER-2T
MASTER-3T
MASTER-4T
MASTER-53T
MASTER-10T
MASTER-20T
MASTER-50H
MASTER-80H
MASTER-93H
MASTER-100H

Refractometer α series Refractometer E series Refractometer Special Scales
N-8α (Low concentration)
AL-21α (Alcohol)
BC-2E, BC-3E
(Battery coolant checker)
HHR-2N (Honey)
HSR-500 (Full Range)
R-5000 (Full Range / nD Scale)

Hand-Held Refractometers MASTER series

This new type of Hand-held Refractometer MASTER functions such as Easy-to-Read, Easy-to-Hold, Smooth sampling, Easy disposal of sample from the edge, the improvement of hygiene aspect by employing the new type of grip, and well balanced structure, emphasis is also placed on its design, well exemplified by the streamlined body and the strong grip with rich texture.

Our MASTER series has received
2006 “Good Design Award“
2007 “The Invention Prize“
2007 “Japan Patent Office Commissioner Encouragement Prize“
2009 “Minister of Education Award“
Protection class of the MASTER-α, H series are IP65. You can rinse off the sample by running water on the prism. The design allows the user to easily wipe off the sample. Sample size 2-3drops.
The Automatic Temperature Compensation function of the MASTER-α, T, H series enables you to take measurement readings regardless of the ambient temperature. Automatic Sample Distribution (ASD)
New prism housing design allows for sample to cover the prism without having to lift the day-light plate! This design will allow forfast & easy measurements.
Convenient Storage case.    

MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-α

This new type of Hand-held Refractometer is the first to be equipped with Automatic Temperature Compensation and Water Resistant (IP65) at the same time. While featuring functions such as Easy-to-Read, Easy-to-Hold, Smooth sampling, Easy disposal of sample from the edge, the improvement of hygiene aspect by employing the new type of grip, and well balanced structure, emphasis is also placed on its design, well exemplified by the streamlined body and the strong grip with rich texture.

*Verification with 10% Sucrose Solutuion ( RE-110010 ) or 30% Sucrose Solutuion ( RE-110030 )


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>about the icons Automatic Temperature Compensation Compact and easy to carry
Model MASTER-α Cat.No. 2311
Scale range Brix 0.0 to 33.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.2%
Measurement Accuracy Brix ±0.2% (10 to 30°C) Repeatability ±0.1%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
30% Sucrose Solution (±0.03%) : RE-110030
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3×20.4cm, 160g
USA Suggested
List Price
$24000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search
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MASTER series Refractometer (Automatic Temperature Compensation) MASTER-T

This is the successor model to the conventional ATC-1E. Automatic Temperature Compensation feature only. The MASTER-T is a good alternative choice when the water resistant feature is not a priority.

*Calibration with the 10% Sucrose Solutuion ( RE-110010 ) or 30% Sucrose Solutuion ( RE-110030 )


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Model MASTER-T Cat.No. 2312
Scale range Brix 0.0 to 33.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.2%
Measurement Accuracy Brix ±0.2% (10 to 30°C) Repeatability ±0.1%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
30% Sucrose Solution (±0.03%) : RE-110030
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3×20.4cm, 160g USA Suggested
List Price
$17500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer MASTER-M

This is the successor model to the conventional N-1α.The MASTER-M is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually. Not equipped with the Automatic Temperature Compensation feature.

*Calibration with the 10% Sucrose Solutuion ( RE-110010 ) or 30% Sucrose Solutuion ( RE-110030 )


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>about the icons Calibration with water Compact and easy to carry
Model MASTER-M Cat.No. 2313
Scale range Brix 0.0 to 33.0%
Minimum Scale Brix 0.2%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
30% Sucrose Solution (±0.03%) : RE-110030
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3×20.4cm, 160g USA Suggested
List Price
$15500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-Pα

The MASTER-Pα is the plastic body model of the MASTER-α. The plastic body model is designed to be resistant salty and acidic samples. It is convenient for measuring a variety of sauces, soy sauce, seasoning in liquid form as well as for low-sugar jams and spreads. It is an Automatic Temperature Compensation (ATC) model with water resistant properties (IP65).

*Verification with 10% Sucrose Solution ( RE-110010 ) or 30% Sucrose Solution ( RE-110030 )

Enlargement See the Scale ProductsQ&A
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>about the icons Automatic Temperature Compensation Compact and easy to carry
Model MASTER-Pα Cat.No. 2391
Scale range Brix 0.0 to 33.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.2%
Measurement Accuracy Brix ±0.2% (10 to 30°C) Repeatability ±0.1%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
30% Sucrose Solution (±0.03%) : RE-110030
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3×20.4cm, 100g
USA Suggested
List Price
$24000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download Go to the product search
GO TOP

MASTER series Refractometer MASTER-PM

The MASTER-PM is the plastic body model of the MASTER-M. The plastic body model is designed to be resistant salty and acidic samples. It is convenient for measuring a variety of sauces, soy sauce, seasoning in liquid form as well as for low-sugar jams and spreads.
MASTER-PM is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually. Not equipped with the Automatic Temperature Compensation feature.

*Calibration with the 10% Sucrose Solution ( RE-110010 ) or 30% Sucrose Solution ( RE-110030 )


Enlargement See the Scale ProductsQ&A
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>about the icons Calibration with water Compact and easy to carry
Model MASTER-PM Cat.No. 2393
Scale range Brix 0.0 to 33.0%
Minimum Scale Brix 0.2%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
30% Sucrose Solution (±0.03%) : RE-110030
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3×20.4cm, 100g USA Suggested
List Price
$15500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-2α

MASTER-2α is mid-range (measurement range Brix 28.0 to 62.0%) model of the MASTER-α. It is convenient for measuring a variety of sauces, soy sauce, seasoning in liquid form as well as for low-sugar jams and spreads. It is an Automatic Temperature Compensation (ATC) model with water resistant properties (IP65).

*Verification with 30% Sucrose Solutuion ( RE-110030 ) or 50% Sucrose Solutuion ( RE-110050 )


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>about the icons Automatic Temperature Compensation Compact and easy to carry
Model MASTER-2α Cat.No. 2321
Scale range Brix 28.0 to 62.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.2%
Measurement Accuracy Brix ±0.2% (10 to 40°C) Repeatability ±0.1%
Optional 30% Sucrose Solution (±0.03%) : RE-110030
50% Sucrose Solution (±0.05%) : RE-110050
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3×20.4cm, 160g
USA Suggested
List Price
$24000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer (Automatic Temperature Compensation) MASTER-2T

MASTER-2T is mid-range (measurement range Brix 28.0 to 62.0%) model of the MASTER-T. MASTER-2T is the successor model to the conventional ATC-2E. Automatic Temperature Compensation feature only. The MASTER-2T is a good alternative choice when the water resistant feature is not a priority.

*Calibration with the 30% Sucrose Solutuion ( RE-110030 ) or 50% Sucrose Solutuion ( RE-110050 )


Enlargement
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>about the icons Automatic Temperature Compensation Compact and easy to carry
Model MASTER-2T Cat.No. 2322
Scale range Brix 28.0 to 62.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.2%
Measurement Accuracy Brix ±0.2% (10 to 40°C) Repeatability ±0.1%
Optional 30% Sucrose Solution (±0.03%) : RE-110030
50% Sucrose Solution (±0.05%) : RE-110050
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3×20.4cm, 160g USA Suggested
List Price
$18500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer MASTER-2M

MASTER-2M is mid-range (measurement range Brix 28.0 to 62.0%) model of the MASTER-M. MASTER-2M is the successor model to the conventional N-2E. The MASTER-M is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually. Not equipped with the Automatic Temperature Compensation feature.

*Calibration with the 30% Sucrose Solutuion ( RE-110030 ) or 50% Sucrose Solutuion ( RE-110050 )


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>about the icons Calibration with exclusive standard liquid Compact and easy to carry
Model MASTER-2M Cat.No. 2323
Scale range Brix 28.0 to 62.0%
Minimum Scale Brix 0.2%
Optional 30% Sucrose Solution (±0.03%) : RE-110030
50% Sucrose Solution (±0.05%) : RE-110050
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3×20.4cm, 160g USA Suggested
List Price
$16500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-3α

MASTER-3α is high-range model (measurement range Brix 58.0 to 90.0%) of the MASTER-α. The MASTER-3α is suited for use with food products of high sugar content such as malt, honey, jam, marmalade, etc. It is an Automatic Temperature Compensation (ATC) model with water resistant feature (IP65).

*Verification with Standard liquid LB ( RE-2100-83N )

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Model MASTER-3α Cat.No. 2331
Scale range Brix 58.0 to 90.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.2%
Measurement Accuracy Brix ±0.2% (10 to 40°C) Repeatability ±0.1%
Optional Standard liquid LB : RE-2100-83N
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3× 16.8cm, 120g
USA Suggested
List Price
$24000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer (Automatic Temperature Compensation) MASTER-3T

MASTER-3T is high-range model (measurement range Brix 58.0 to 90.0%) of the MASTER-T. The MASTER-3T is suited for use with food products of high sugar content such as malt, honey, jam, marmalade, etc. It is an Automatic Temperature Compensation (ATC) model. The MASTER-3T is a good alternative choice when the water resistant feature is not a priority.

*Calibration with the Standard liquid LB ( RE-2100-83N )

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Model MASTER-3T Cat.No. 2332
Scale range Brix 58.0 to 90.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.2%
Measurement Accuracy Brix ±0.2% (10 to 40°C) Repeatability ±0.1%
Optional Standard liquid LB : RE-2100-83N
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3× 16.8cm, 120g USA Suggested
List Price
$18500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer MASTER-3M

MASTER-3M is high-range model (measurement range Brix 58.0 to 90.0%) of the MASTER-M. MASTER-3M is the successor model to the conventional N-3E. The MASTER-3M is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually. Not equipped with the Automatic Temperature Compensation feature.

*Calibration with the Standard liquid LB ( RE-2100-83N )

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Model MASTER-3M Cat.No. 2333
Scale range Brix 58.0 to 90.0%
Minimum Scale Brix 0.2%
Optional Standard liquid LB : RE-2100-83N
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3× 16.8cm, 120g USA Suggested
List Price
$16500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-4α

MASTER-4α has a measuring range between the MASTER-2α and the MASTER-3α (measurement range Brix 45.0 to 82.0%). MASTER-4α can be used for high concentration samples, such as condensed milk, concentrated fruit juice, jam, marmalade, liquid sugar, etc. It is an Automatic Temperature Compensation (ATC) model with water resistant feature (IP65).

*Verification with 50% Sucrose Solution Solutuion ( RE-110050 ) or Standard liquid LB ( RE-2100-83N ) .

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Model MASTER-4α Cat.No. 2341
Scale range Brix 45.0 to 82.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.2%
Measurement Accuracy Brix ±0.2% (10 to 40°C) Repeatability ±0.1%
Optional 50% Sucrose Solution (±0.05%) : RE-110050
Standard liquid LB : RE-2100-83N
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3× 16.8cm, 120g
USA Suggested
List Price
$24000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer (Automatic Temperature Compensation) MASTER-4T

MASTER-4T has a measuring range between the MASTER-2T and the MASTER-3T (measurement range Brix 45.0 to 82.0%). MASTER-4T can be used for high concentration samples, such as condensed milk, concentrated fruit juice, jam, marmalade, liquid sugar, etc. It is an Automatic Temperature Compensation (ATC). The MASTER-4T is a good alternative choice when the water resistant feature is not a priority.

*Calibration with the 50% Sucrose Solution Solutuion ( RE-110050 ) or Standard liquid LB ( RE-2100-83N ) .

Enlargement
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>about the icons Automatic Temperature Compensation Compact and easy to carry Calibration with exclusive standard liquid
Model MASTER-4T Cat.No. 2342
Scale range Brix 45.0 to 82.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.2%
Measurement Accuracy Brix ±0.2% (10 to 40°C) Repeatability ±0.1%
Optional 50% Sucrose Solution (±0.05%) : RE-110050
Standard liquid LB : RE-2100-83N
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3× 16.8cm, 120g USA Suggested
List Price
$18500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer MASTER-4M

MASTER-4M has a measuring range between the MASTER-2M and the MASTER-3M (measurement range Brix 45.0 to 82.0%). The MASTER-4M is the successor model of the conventional model, N-4E. The MASTER-4M is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually. Not equipped with the Automatic Temperature Compensation feature.

*Calibration with the 50% Sucrose Solutuion ( RE-110050 ) or Standard liquid LB ( RE-2100-83N )

Enlargement
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Products Q&A
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>about the icons Calibration with exclusive standard liquid Compact and easy to carry
Model MASTER-4M Cat.No. 2343
Scale range Brix 45.0 to 82.0%
Minimum Scale Brix 0.2%
Optional 50% Sucrose Solution (±0.05%) : RE-110050
Standard liquid LB : RE-2100-83N
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3× 16.8cm, 120g USA Suggested
List Price
$16500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-53α

MASTER-53α is wide range mode l(measurement range Brix 0.0 to 53.0%) of the MASTER-α. MASTER-53α is capable of measuring not only various kinds of juice, coffee, and other beverages but also processed food such as sauce, ketchup, low calorie jam, etc. Measurement range becomes wider from existing N-50E, with MASTER-53α can be measured Brix0.0~53.0%. It is an Automatic Temperature Compensation (ATC) model with water resistant feature (IP65).

*Verification with 10% Sucrose Solution ( RE-110010 ), 30% Sucrose Solution ( RE-110030 ) or 50% Sucrose Solution ( RE-110050 )

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>about the icons Automatic Temperature Compensation Compact and easy to carry
Model MASTER-53α Cat.No. 2351
Scale range Brix 0.0 to 53.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.5%
Measurement Accuracy Brix ±0.5% (10 to 30°C) Repeatability ±0.25%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
30% Sucrose Solution (±0.03%) : RE-110030
50% Sucrose Solution (±0.05%) : RE-110050
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3× 16.8cm, 120g
USA Suggested
List Price
$24000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
Go to the product search GO TOP

MASTER series Refractometer (Automatic Temperature Compensation) MASTER-53T

MASTER-53T is wide range model(measurement range Brix 0.0 to 53.0%) of the MASTER-T. MASTER-53T is capable of measuring not only various kinds of juice, coffee, and other beverages but also processed food such as sauce, ketchup, low calorie jam, etc. Measurement range becomes wider from existing N-50E, with MASTER-53T can be measured Brix0.0 to 53.0%. It is an Automatic Temperature Compensation (ATC) model. The MASTER-53T is a good alternative choice when the water resistant feature is not a priority.

*Calibration with the 10% Sucrose Solution ( RE-110010 ), 30% Sucrose Solution ( RE-110030 ) or 50% Sucrose Solution ( RE-110050 )

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>about the iconsAutomatic Temperature Compensation Compact and easy to carry
Model MASTER-53T Cat.No. 2352
Scale range Brix 0.0 to 53.0%
(Automatic Temperature Compensation
Minimum Scale Brix 0.5%
Measurement Accuracy Brix ±0.5% (10 to 30°C) Repeatability ±0.25%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
30% Sucrose Solution (±0.03%) : RE-110030
50% Sucrose Solution (±0.05%) : RE-110050
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3× 16.8cm, 120g USA Suggested
List Price
$18500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Refractometer MASTER-53M

MASTER-53M is wide range model (measurement range Brix 0.0 to 53.0%) of the MASTER-M. The MASTER-53M is the successor model of the conventional model, N-50E. Measurement range becomes wider from the N-50E. The MASTER-53M is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually. Not equipped with the Automatic Temperature Compensation feature.

*Calibration with the 10% Sucrose Solution ( RE-110010 ), 30% Sucrose Solution ( RE-110030 ) or 50% Sucrose Solution ( RE-110050 )

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Model MASTER-53M Cat.No. 2353
Scale range Brix 0.0 to 53.0%
Minimum Scale Brix 0.5%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
30% Sucrose Solution (±0.03%) : RE-110030
50% Sucrose Solution (±0.05%) : RE-110050
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3× 16.8cm, 120g USA Suggested
List Price
$16500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-10α

MASTER-10α is low concentration model (measurement range Brix 0.0 to 10.0%) of the MASTER-α. MASTER-10α is a model developed for very low concentration use where the Brix is 10% or less. Based on the popular MASTER-α, the scale has been magnified and high precision measurements are possible. Good for measurements of low concentration fruit juices, cutting oil, etc. Automatic Temperature Compensation (ATC) model with water resistant feature (IP65).

*Verification with 10% Sucrose Solution ( RE-110010 ).

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>about the icons Automatic Temperature Compensation Compact and easy to carry
Model MASTER-10α Cat.No. 2371
Scale range Brix 0.0 to 10.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.1%
Measurement Accuracy Brix ±0.2% (10 to 30°C) Repeatability ±0.1%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3× 20.4cm, 160g
USA Suggested
List Price
$24000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Refractometer (Automatic Temperature Compensation) MASTER-10T

MASTER-10T is low concentration model (measurement range Brix 0.0 to 10.0%) of the MASTER-T. MASTER-10T is a model developed for very low concentration use where the Brix is 10% or less. Based on the popular MASTER-T, the scale has been magnified and high precision measurements are possible. Good for measurements of low concentration fruit juices, cutting oil, etc. It is an Automatic Temperature Compensation (ATC) model. The MASTER-10T is a good alternative choice when the water resistant feature is not a priority.

*Calibration with the 10% Sucrose Solution ( RE-110010 )

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>about the icons Automatic Temperature Compensation Compact and easy to carry
Model MASTER-10T Cat.No. 2372
Scale range Brix 0.0 to 10.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.1%
Measurement Accuracy Brix ±0.2% (10 to 30°C) Repeatability ±0.1%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3×20.4cm, 160g USA Suggested
List Price
$18500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Refractometer MASTER-10M

MASTER-10M is low concentration model (measurement range Brix 0.0 to 10.0%) of the MASTER-M. MASTER-10M is the successor model to the conventional N-10E. Good for measurements of low concentration fruit juices, cutting oil, etc. The MASTER-10M is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually. Not equipped with the Automatic Temperature Compensation feature.

*Calibration with the 10% Sucrose Solution ( RE-110010 )


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>about the icons Calibration with water Compact and easy to carry
Model MASTER-10M Cat.No. 2373
Scale range Brix 0.0 to 10.0%
Minimum Scale Brix 0.1%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3×20.4cm, 160g USA Suggested
List Price
$16500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
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MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-20α

MASTER-20α is low concentration model (measurement range Brix 0.0 to 20.0%) of the MASTER-α. fruit juices, cola, etc. Automatic Temperature Compensation (ATC) model with water resistant feature (IP65).

*Verification with 10% Sucrose Solution (RE-110010).

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>about the icons Automatic Temperature Compensation Compact and easy to carry
Model MASTER-20α Cat.No. 2381
Scale range Brix 0.0 to 20.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.1%
Measurement Accuracy Brix ±0.2% (10 to 30°C) Repeatability ±0.1%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3× 20.4cm, 160g
USA Suggested
List Price
$24000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
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MASTER series Refractometer (Automatic Temperature Compensation) MASTER-20T

MASTER-20T is low concentration model (measurement range Brix 0.0 to 20.0%) of the MASTER-T. MASTER-20T is the successor model to the conventional ATC-20E. MASTER-20T is widely used for measuring the concentration of low density aqueous solutions such as tomato juices, fruit juices, cola, etc. It is an Automatic Temperature Compensation (ATC) model. The MASTER-20T is a good alternative choice when the water resistant feature is not a priority.

*Calibration with the 10% Sucrose Solution ( RE-110010 )

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>about the icons Automatic Temperature Compensation Compact and easy to carry
Model MASTER-20T Cat.No. 2382
Scale range Brix 0.0 to 20.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.1%
Measurement Accuracy Brix ±0.2% (10 to 30°C) Repeatability ±0.1%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3×20.4cm, 160g USA Suggested
List Price
$18500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Refractometer MASTER-20M

MASTER-20M is low concentration model (measurement range Brix 0.0 to 20.0%) of the MASTER-M. MASTER-20M is the successor model to the conventional N-20E. MASTER-20M is widely used for measuring the concentration of low density aqueous solutions such as tomato juices, fruit juices, cola, etc. The MASTER-20M is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually. Not equipped with the Automatic Temperature Compensation feature.

*Calibration with the 10% Sucrose Solution ( RE-110010 )


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>about the icons Calibration with water Compact and easy to carry
Model MASTER-20M Cat.No. 2383
Scale range Brix 0.0 to 20.0%
Minimum Scale Brix 0.1%
Optional EXTRACTOR : RE-29401
10% Sucrose Solution (±0.03%) : RE-110010
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3×20.4cm, 160g USA Suggested
List Price
$16500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
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MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-50H

MASTER-50H is heat resistant model of the MASTER-Series. The MASTER-50H is the successor model of the conventional model, H-50. The MASTER-50H is developed for measuring high-temperature samples at their respective production sites. Moreover, the MASTER-50H has a longer service life as compared with conventional types because its prism is made of corrosion resisting tempered glass.

*Verification with 10% Sucrose Solution ( RE-110010 ), 30% Sucrose Solution ( RE-110030 ) or 50% Sucrose Solution ( RE-110050 )

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>about the icons Compact and easy to carryAutomatic Temperature Compensation
Model MASTER-50H Cat.No. 2354
Scale range Brix 0.0 to 50.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.5%
Measurement Accuracy Brix ±0.5% Repeatability ±0.25%
Optional 10% Sucrose Solution (±0.03%) : RE-110010
30% Sucrose Solution (±0.03%) : RE-110030
50% Sucrose Solution (±0.05%) : RE-110050
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3× 16.8cm, 120g
USA Suggested
List Price
$26000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
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MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-80H

MASTER-80H is heat resistant model of the MASTER-Series. The MASTER-80H is the successor model of the conventional model H-80. The MASTER-80H is developed for measuring high-temperature samples at their respective production sites. Moreover, the MASTER-80H has a longer service life as compared with conventional types because its prism is made of corrosion resisting tempered glass. The MASTER-80H is best for measuring jam, marmalade candies, etc.

*Verification with 30% Sucrose Solution ( RE-110030 ), 50% Sucrose Solution ( RE-110050 ) or Standard liquid LB ( RE-2100-83N )

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>about the icons Compact and easy to carryAutomatic Temperature Compensation
Model MASTER-80H Cat.No. 2364
Scale range Brix 30.0 to 80.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.5%
Measurement Accuracy Brix ±0.5% Repeatability ±0.25%
Optional 30% Sucrose Solution (±0.03%) : RE-110030
50% Sucrose Solution (±0.05%) : RE-110050
Standard liquid LB : RE-2100-83N
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3× 16.8cm, 120g
USA Suggested
List Price
$26000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
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MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-93H

MASTER-93H is heat resistant model of the MASTER-Series. The MASTER-93H is the successor model of the conventional model H-93. The MASTER-93H is developed for measuring high-temperature samples at their respective production sites. Moreover, the MASTER-93H has a longer service life as compared with conventional types because its prism is made of corrosion resisting tempered glass. The MASTER-93H is best for measuring jam, marmalade candy same as the MASTER-80H.

*Verification with 50% Sucrose Solution ( RE-110050 ) or Standard liquid LB ( RE-2100-83N )

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>about the icons Compact and easy to carryAutomatic Temperature Compensation
Model MASTER-93H Cat.No. 2374
Scale range Brix 45.0 to 93.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.5%
Measurement Accuracy Brix ±0.5% Repeatability ±0.25%
Optional 50% Sucrose Solution (±0.05%): RE-110050
Standard liquid LB : RE-2100-83N
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3× 16.8cm, 120g
USA Suggested
List Price
$26000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
Catalog Download
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MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-100H

MASTER-100H is heat resistant model of the MASTER-Series. The MASTER-100H is developed for measuring high-temperature samples at their respective production sites. Moreover, the MASTER-100H has a longer service life as compared with conventional types because its prism is made of corrosion resisting tempered glass. The MASTER-100H is best for measuring jam, marmalade candy same as the MASTER-80H and MASTER-93H. Measurement range of the MASTER-100H is Brix 60.0 to 100.0%. Only the MASTER-100H can measure up to 100% Brix.

*Verification with Standard liquid LB ( RE-2100-83N )

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>about the icons Compact and easy to carryAutomatic Temperature Compensation
Model MASTER-100H Cat.No. 2384
Scale range Brix 60.0 to 100.0%
(Automatic Temperature Compensation)
Minimum Scale Brix 0.5%
Measurement Accuracy Brix ±0.5% Repeatability ±0.25%
Optional Standard liquid LB : RE-2100-83N
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3× 16.8cm, 120g
USA Suggested
List Price
$26000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Salinity Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-S28α

The units can be used for controlling the concentration of saltwater used in rinsing seafood or salinity in cooking. NEW material (which is durable for salty and acid sample) is adopted. It is an Automatic Temperature Compensation (ATC) model with water resistant properties (IP65).

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Model MASTER-S28α Cat.No. 2481
Scale range Sodium chloride 0.0 to 28.0%
(Automatic Temperature Compensation)
Minimum Scale Sodium chloride 0.2%
Measurement Accuracy ±0.2% (10 to 30°C)    
Optional • Daylight plate for small volume samplings for MASTER series : RE-2391-50M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2391-59M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3×20.4cm, 100g
USA Suggested
List Price
$24000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Salinity Refractometer MASTER-S28M

The units can be used for controlling the concentration of saltwater used in rinsing seafood or salinity in cooking. NEW material (which is durable for salty and acid sample) is adopted. The MASTER-S28M is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually.


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Model MASTER-S28M Cat.No. 2483
Scale range Sodium chloride 0.0 to 28.0% Minimum Scale Sodium chloride 0.2%
Optional • Daylight plate for small volume samplings for MASTER series : RE-2391-50M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2391-59M
Size & Weight 3.3×3.3×20.4cm, 100g USA Suggested
List Price
$20500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Salinity Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-S10α

This instrument is designed to control the concentration of saltwater, such as in cooking or rising seafood, and utilizes a new material that is durable against salty and acidic samples. It is Automatic Temperature Compensation (ATC) model with water resistant properties (IP65).

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>about the icons Automatic Temperature Compensation Compact and easy to carry
Model MASTER-S10α Cat.No. 2471
Scale range Sodium chloride 0.0 to 10.0%
(Automatic Temperature Compensation)
Minimum Scale Sodium chloride 0.1%
Measurement Accuracy ±0.2% (10 to 30°C) International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Parts Milky White Daylight Plate For MASTER series : RE-2471-56M
Size & Weight 3.3×3.3×20.4cm, 100g USA Suggested
List Price
$24000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Salinity Refractometer MASTER-S10M

This instrument is designed to control the concentration of saltwater, such as in cooking or rising seafood, and utilizes a new material that is durable against salty and acidic samples. The MASTER-S10M is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually.


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>about the icons Calibration with water Compact and easy to carry
Model MASTER-S10M Cat.No. 2473
Scale range Sodium chloride 0.0 to 10.0% Minimum Scale Sodium chloride 0.1%
Parts Milky White Daylight Plate For MASTER series : RE-2471-56M
Size & Weight 3.3×3.3×20.4cm, 100g USA Suggested
List Price
$20500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Salinity Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-S/Millα

This instrument measures the salinity and specific gravity of seawater, and utilizes a new material that is durable against salty samples, The salinity of seawater is displayed in parts per mill (‰). It is an Automatic Temperature Compensation (ATC) model with water resistant properties (IP65).

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Model MASTER-S/Millα Cat.No. 2491
Scale range Salinity 0 to 100‰
Specific gravity
1.000 to 1.070
(Automatic Temperature Compensation)
Minimum Scale Salinity 1‰
Specific gravity 0.001
Measurement Accuracy Salinity 1‰
Specific gravity ±0.001
(10 to 30°C)
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Parts Milky White Daylight Plate For MASTER series : RE-2471-56M
Size & Weight 3.3×3.3×20.4cm, 100g USA Suggested
List Price
$24000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Salinity Refractometer MASTER-S/MillM

This instrument measures the salinity and specific gravity of seawater, and utilizes a new material that is durable against salty samples, The salinity of seawater is displayed in parts per mill (‰). The MASTER-S/MillM is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually.


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Model MASTER-S/MillM Cat.No. 2493
Scale range Salinity 0 to 100‰
Specific gravity
1.000 to 1.070
Minimum Scale Salinity 1‰
Specific gravity 0.001
Parts Milky White Daylight Plate For MASTER series : RE-2471-56M
Size & Weight 3.3×3.3×20.4cm, 100g USA Suggested
List Price
$20500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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Coolant Refractometer MASTER-BR

This refractometer can be used for measuring the concentration and freezing temperature of ethylene glycol and propylene glycol.
NEW material (which is durable for salty and acid sample) is adopted.

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Model MASTER-BR Cat.No. 2930
Scale range E.G 0 to 70%, 0 to -50°C
P.G 0 to 70%, 0 to -50°C
Minimum Scale E.G 5%, 5°C
P.G 5%, 5°C
Optional • Daylight plate for small volume samplings for MASTER series : RE-2391-50M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2391-59M
Size & Weight 3.3×3.3× 16.8cm, 90g USA Suggested
List Price
$14000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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Battery Coolant Checker MASTER-BC

This refractometer has an exclusive scale for measuring specific gravity of battery fluid and forchecking the freezing temperature of ethylene glycol and propylene glycol which are used as antifreeze mixture in automobiles, thermal catalyst for solar power systems and other industrial applications. MASTER-BC is the successor model to the conventional BC-2E. The scale is graduated in °C.
NEW material (which is durable for salty and acid sample) is adopted.

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Model MASTER-BC Cat.No. 2931
Scale range <Freezing temperature scale>
E.G. 0 to -50°C
P.G. 0 to -50°C
<Battery fluid d20/20>
1.150 to 1.300
Minimum Scale <Freezing temperature scale>
E.G. 5°C
P.G. 5°C
<Battery fluid d20/20>
0.01
Optional • Daylight plate for small volume samplings for MASTER series : RE-2391-50M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2391-59M
Size & Weight 3.3×3.3× 16.8cm, 90g USA Suggested
List Price
$13500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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Battery Coolant Checker MASTER-BCF

This refractometer has an exclusive scale for measuring specific gravity of battery fluid and forchecking the freezing temperature of ethylene glycol and propylene glycol which are used as antifreeze mixture in automobiles, thermal catalyst for solar power systems and other industrial applications. MASTER-BCF is the successor model to the conventional BC-3E. The scale is graduated in °F.
NEW material (which is durable for salty and acid sample) is adopted.

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Model MASTER-BCF Cat.No. 2932
Scale range <Freezing temperature scale>
E.G. 32 to -60°F
P.G. 32 to -50°F
<Battery fluid d20/20>
1.150 to 1.300
Minimum Scale <Freezing temperature scale>
E.G. 10°F
P.G. 10°F
<Battery fluid d20/20>
0.01
Optional • Daylight plate for small volume samplings for MASTER series : RE-2391-50M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2391-59M
Size & Weight 3.3×3.3× 16.8cm, 90g USA Suggested
List Price
$13500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Refractometer MASTER-RI

MASTER-RI is refractive-index model ( measurement range : RI 1.435 to 1.520 ) of the MASTER-Series.
MASTER-RI can be used for measuring the refractive index of vegetable oil, petroleum, oil slicks, etc.

*Calibration with the Standard liquid LB ( RE-2100-83N )

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Model MASTER-RI Cat.No. 2612
Scale range Refractive index
1.435 to 1.520
Minimum Scale Refractive index 0.001
Optional Standard liquid LB : RE-2100-83N
• Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
Size & Weight 3.3×3.3× 16.8cm, 120g USA Suggested
List Price
$16500
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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MASTER series Refractometer (Automatic Temperature Compensation & Water Resistant) MASTER-MILK

MASTER-MILK is milk concentration model (measurement range milk 0.0 to 23.0%). It is an Automatic Temperature Compensation (ATC) model with water resistant properties (IP65).

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Model MASTER-MILK Cat.No. 2691
Scale range MILK 0.0 to 23.0%
(Automatic Temperature Compensation)
Minimum Scale MILK 0.5%
Measurement Accuracy MILK ±0.5% (10 to 30°C) Repeatability ±0.25%
Optional • Daylight plate for small volume samplings for MASTER series : RE-2311-58M (Except viscosity sample)
Parts Daylight plate for MASTER series : RE-2311-57M
International Protection Class IP65 (except eye piece)
Dust-tight and Protected against water jets.
Size & Weight 3.3×3.3× 16.8cm, 120g
USA Suggested
List Price
$24000
Design Registration No.000379326-0001, 000379326-0002 (EU)
ZL 2005 3 0116403.4,5 (China), D111526 (Taiwan), D555, 549 (U.S.A.),
1255763, 1255764, 1255765, 1255766, 1255767 (Japan)
Patent Granted in countries around the world.
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Hand-Held Refractometer N-8α

The N-8α (alpha) is specially developed to measure very low concentration solutions of less Brix 8%. The N-8α (alpha) is a model developed for very low concentration use where the Brix is 8% or less. The scale has been magnified and high precision measurementsare possible. It is the best for measuring low concentrated solutions such as dozen to hundred times dilluted water-soluble cutting oils.


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Model N-8α Cat.No. 2360
Scale range Brix 0.0 to 8.0 % Minimum Scale Brix 0.1 %
Parts Daylight plate with hinge pin for N-8α RE-2360-51L Size & Weight 4×4×21cm, 260g
USA Suggested
List Price
$32000
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Hand-Held Alcohol Refractometer AL-21α (alpha)

The best for measuring pure alcohol and alcohol after distillation.


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Model AL-21α Cat.No. 2361
Scale range Ethyl Alcohol Concentration 0.0 to 21.0 % (ml/100ml)
* at 15°C
Minimum Scale Ethyl Alcohol Concentration 0.2 %
*Resolution is 0.1%
Ambient temperature 5 to 30°C Size & Weight 4×4×21cm, 260g
Parts Daylight plate with hinge pin for Al-21α : RE-2361-51L USA Suggested
List Price
$32000
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Honey Refractometer HHR-2N

The honey refractometer is specially designed to determine the percentage of water contained in honey by means of the refractive index. *Calibration with the Standard liquid LB ( RE-2100-83N )


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Model HHR-2N Cat.No. 2522
Scale range 12.0 to 30.0%
( water content in honey )
Minimum Scale 0.1%
( water content in honey )
Optional Standard liquid LB : RE-2100-83N
Parts Daylight plate with hinge pin for HHR-2N : RE-2522-51N
Thermometer Temperature compensation scale Size & Weight 4×4×17cm, 260g
USA Suggested
List Price
$28000
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Battery Coolant Checker BC-2E, 3E

This refractometer has an exclusive scale for measuring specific gravity of battery fluid and for checking the freezing temperature of ethylene glycol and propylene glycol which are used as antifreeze mixture in automobiles, thermal catalyst for solar power systems and other industrial applications. The scale of the model BC-2E is graduated in °C while that of the BC-3E is in °F.


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Model BC-2E BC-3E
Cat.No. 2832 2842
Freezing point of coolant Ethylene glycol 0 to -50°C
32 to -60°F
Freezing point of coolant Propylene glycol 0 to -50°C 32 to -50°F
Battery fluid d (20/20) 1.150 to 1.300 1.150 to 1.300
Size & Weight 4×4×14cm, 140g 4×4×14cm, 140g
Scale Face See the scale See the scale
Parts Daylight plate with hinge pin for BR-2E : RE-2832-51E Daylight plate with hinge pin for BR-3E : RE-2842-51E
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USA Suggested
List Price
$13500
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Hand-Held Refractometer HSR-500

The refractive index of a solution containing sugar is in proportion to its sugar concentration. The model 500 uses this principle, where a transmitting system is applied, to obtain a high contrast in the field of view.

*Calibration with the 10% Sucrose Solution ( RE-110010 ), 30% Sucrose Solution ( RE-110030 ) or 50% Sucrose Solution ( RE-110050 )


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Model HSR-500 Cat.No. 2340
Scale range Brix0.0 to 90.0% Minimum Scale Brix0.2%
Parts Thermometer for HSR-500 :RE-2340-91H Thermometer +1.6 to -1.0 temperature compensation scale
Optional 10% Sucrose Solution (±0.03%) : RE-110010
30% Sucrose Solution (±0.03%) : RE-110030
50% Sucrose Solution (±0.05%) : RE-110050
Size & Weight 4×4×20cm, 600g USA Suggested
List Price
$62000
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Hand-Held Refractometer R-5000

This model, the R5000 has a refractive index scale. It can be used for simple, quick, and easy measurement of refractive index.


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Model R-5000 Cat.No. 2350
Scale range 3-stage switching
nD 1.333 to 1.520
Minimum Scale nD 0.001
Thermometer 5 to 40°C
Parts Thermometer for R5000 :
RE-2350-92H
Size and weight 4×4×20cm, 600g
USA Suggested
List Price
$62000
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