D-IWSL | APM Applications & Instrumentation
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Water Approved Submersible Level Transmitter ‐ Silicon Sensor 

  1. Stainless steel, Silicon piezo‐resistive sensor
  2. Accuracy: <±0.1% FS BFSL (0.06% optional)
  3. Pressure ranges from 1mWG to 100mWG
  4. Variety of outputs including mV, Volts and mA 

The IWSL has been designed for use in continuous submersion in water. The submersible uses a piezo‐resistive media isolated silicon sensing technology and a stainless steel diaphragm it offers excellent stability, repeatability and resolution required for use in rivers and reservoir measurement. Housed within a 316L stainless steel housing, this submersible level transmitter is the ideal product for reliable and repeatable hydrostatic level measurement. Every device is temperature compensated and calibrated, supplied with a traceable serial number and calibration certificate. The electronics incorporate a microprocessor based amplifier, this means there are no adjusting pots and therefore the electronics are very stable. 

There are many options available on the IWSL level transmitter. These include the following: 

  1. Pressure range and engineering units
  2. Pressure reference (Gauge or Absolute)
  3. Output type
  4. Accuracy Level (Non‐linearity & hysteresis)
  5. Thermal accuracy 

Suitable for the following applications:

  1. River level
  2. Reservoir level
  3. Tank level
  4. Borehole level
  5. Aquifer level
  6. Environmental monitoring
  7. V‐notch weir flow measurement
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