Digital Differential Refractometer DD-7

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This model measures solutions of low concentration up to 2% at an extremely high accuracy level of ±0.005%. It is recommended for such samples as unsweetened tea and surfactants.2 types of solutions – distilled water as the standard solution and the sample liquid to be measured – are injected into the instrument with syringes.By using a standard solution other than distilled water, solutions of higher concentration can also be measured.

Product information

Model	DD-7
Cat.No.	3930
Range	0.000 to 2.000% for sucrose solution.it is possible to measure samples with refractive index up to 1.50 (nD) by reference solutuion.
Resolution	Brix : 0.001%
Accuracy	Brix : ±0.005 (for sucrose solution at 30°C)

For more detail

Method of measurement	Differential optical refraction
Measurement Temperature	15.00 to 40.00℃
Dimensions & Weight	36×35×14cm, 6,2kg
Output	• Digital Printer DP-AD (Optional) • RS-232C