Vaisala K‑PATENTS® SAFE-DRIVE Process Refractometer PR-23-SD for fiberline

for fiberline and brown stock washing (BSW)
Vaisala K-PATENTS SAFE-DRIVE Process Refractometer PR-23-SD for brown stock total dissolved solids (TDS) control and optimization

Depending on the installation point requirements of the fiber line, there are two types of SAFE-DRIVE Process Refractometer PR-23-SD systems specifically designed for reliability and easy installation directly in the process pipeline:

– SAFE-DRIVE™ Process Refractometer PR-23-SD with steam prism wash for filtrates and weak black liquor lines
– SAFE-DRIVE™ Process Refractometer PR-23-SD with special isolation valve and installation plate for the blow line and the pulp stock line.

SKU:VS0006

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for fiberline and brown stock washing (BSW)
Vaisala K-PATENTS SAFE-DRIVE Process Refractometer PR-23-SD for brown stock total dissolved solids (TDS) control and optimization

Performance features of SAFE-DRIVE Process refractometer in the BSW application

– Indicates total dissolved solids (TDS) in solution
– Suitable for measuring washing efficiency, because it accounts for both organic and inorganic fractions.
– Suitable for all concentrations
– Measures the precise concentration of washableLiquid substances
– Detects organic materials with a large molecular size, such as lignin
– Not influenced by chemical oxygen demand (COD) caused by methanol
– In-line real-time measurement, immediate response time, suitable control
– Mounted directly onto the pulp line
– Low operating costs, maintenance-free

The measurement range covers 0-100 % by weight. The accuracy is typically ±0.1 % b.w. and the measurement is automatically temperature compensated. Low and high concentration alarms can be configured. Because of the digital sensing technology, even large amounts of suspended solids, bubbles, or color changes do not affect the measurement or the accuracy.