VW0420 Isolated Analog Interface for Vibrating Wire Sensor (4-20mA output)


RST Instruments


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The Sensor measures: Vibrating Wire
Output Signal: 4-20 mA

The VW0420 provides an interface between vibrating wire instruments and factory automation systems which support 4-20 mA sensors.

The vibrating wire section measures the natural frequency and temperature of the sensor. The measurements are then converted to engineering units, unit converted etc. as required, and scaled to the 4-20 mA outputs.

Setup of the device is straightforward, using a Windows host program connected via USB cable.

  • Sweep types of A, B, C, D, E, F, user-defined.
  • Frequency input of 450-6000 hz.
  • Current output of 4-20mA nominal, isolated between channels and with respect to sensor to 2500V AC.
  • Current resolution of 0.002%.
  • Current conversion accuracy of 0.02%.

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