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Filter monitoring

PressureDifferential Pressure
Filter monitoring

Overview

The raw water is pumped from the lake into a tank. It is then filtered via a drum filter. In this process the water is separated and purified from any suspended matter and coarse impurities. An electronic differential pressure measuring instrument monitors the level of contamination of the filter. Cleaning of the filter is automatically triggered as soon as the threshold contamination is exceeded.

Operating Conditions

Measuring Task
Differential pressure measurement
Measuring Point
Filter
Medium
Fresh water
Measuring Range
0.8 m
Temperature
+3 … +10 °C
Pressure
-0.5 … +2 bar

Challenges

  • Abrasion

Benefits

  • Reliable: Approved materials according to FDA and EC 1935/2004, as well as local certification
  • Cost effective: Simple installation, with two sensors interconnected via a single cable
  • User friendly: Multivariable sensor: differential pressure, static pressure and temperature

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