Chemistry

Process refractometer (at line or bypass) model PRB21S

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The at-line process refractometer PRB21S is installed in tanks or boilers via tube connections for continuous monitoring and control of the liquid concentration. The sample flows through the bypass into the stainless steel measuring chamber. The measuring prism is made of scratch-resistant sapphire and is resistant to solvents and acids.

Dimensions (WXHXD): 180 mm x 190 mm x 180 mm
Weight: 3 Kg
Measuring range: nD 1.3200-1.5600
                           0-95% Brix
Measuring accuracy: nD ± 0.0002
                              ± 0.2% Brix
Resolution: nD 0.0001
                 0.1% Brix
selectable measuring intervals: 3-60 s
Measuring prism: sapphire
Wavelength: 589 nm
Temperature compensation: ICUMSA or user-defined
Integrated Pt100 temperature sensor
Temperature range: 10-120 °C
Temperature accuracy: ± 0,2 °C
Temperature resolution: 0.1 °C
Process temperature: 10- 60 °C
Interfaces: Analog 0 / 4-20 mA, RS-232, PROFIBUS optional.
Refractive index                          
Sucrose, glucose, fructose and invert sugar concentration [% Brix], user defined                             

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