BluVW Piezometer datalogger

The BluVW datalogger is a low cost device records vibrating wire (VW) transducers such as piezometers stressmeters and load cells. The datalogger can record standalone or be networked back to an office server via a BluGW (Gateway) device.

4 channel versions are available which enables either reading 4 piezometers, 4 strain gauges or 4 pressure cells oof any combination totalling 4 devices. For load cells typically each load cell has three sensors internally so one load cell can be logged with one BluVW.

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Description

Specifications:
  • Range (F.S.): 166-2000µs period measurement, Temp: -40 to 125oC
  • Core Technology: 20MHz microcontroller providing 0-5V 500-6000Hz sweep
  • Output Signal: RS485 (9600,8,N,1) ASCII encoded signal comprising: Unique Instrument _ID, Sensor_Type, Temp (oC) and Period (µS) data
  • VW Resolution: 0.1µs with hand held readout.
  • Displ. Accuracy: – better than +/- 1µs
  • Temp. Range: –40 – 125oC
  • Temp. Accuracy: +/- 1oC –Digitally trimmed at 0oC and 25oC
  • Temp Resolution: 0.1oC

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