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Atago 3930 DD-7 Digital Differential Refractometer

  • Brand Atago
  • Part # 3930
  • Model # DD-7
  • Condition
    Brand New
  • Not for Export
Atago 3930
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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.

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ModelDD-7
Cat.No.3930
ScaleBrix
Method of measurementDifferential optical refraction
Measurement Range0.000 to 2.000% in concentration (for sucrose solution)
It is possible to measure samples with refractive index up to 1.50 (nD) by reference solutuion. (Samples must be low in viscosity.)
ResolutionBrix : 0.001%
Measurement AccuracyBrix : ±0.005 (In the case of measurement of sucrose solution (0 to 2%) at 30°C)
Temperature control rangeBetween 5°C and 10°C above ambient temperature; up to 40°C
*Heating only (no cooling)
Ambient Temperature10 to 30°C
Power SupplyAC100V to 240V, 50/60Hz
Dimensions & Weight36x35x14cm, 6.2kg
(Main Unit only)
Power consumption50VA
Output terminalsDigital Printer DP-63 or DP-AD (Optional)
RS-232C
Notes

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Product Details
ModelDD-7
Cat.No.3930
ScaleBrix
Method of measurementDifferential optical refraction
Measurement Range0.000 to 2.000% in concentration (for sucrose solution)
It is possible to measure samples with refractive index up to 1.50 (nD) by reference solutuion. (Samples must be low in viscosity.)
ResolutionBrix : 0.001%
Measurement AccuracyBrix : ±0.005 (In the case of measurement of sucrose solution (0 to 2%) at 30°C)
Temperature control rangeBetween 5°C and 10°C above ambient temperature; up to 40°C
*Heating only (no cooling)
Ambient Temperature10 to 30°C
Power SupplyAC100V to 240V, 50/60Hz
Dimensions & Weight36x35x14cm, 6.2kg
(Main Unit only)
Power consumption50VA
Output terminalsDigital Printer DP-63 or DP-AD (Optional)
RS-232C
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