4-20mA Loop-Powered Transmitters and Drivers

Loop-Powered Transmitters convert the output from proximity probes, seismic sensors, accelerometers or velocity transducers into a 4-20mA DC current, which is proportional to the input being measured. The transmitter converts the displacement or vibration signal to DC voltage and/or current for a DCS or PLC system. They control a 4-20mA current loop for a specified vibration range (ex. 0-5 mils peak-to-peak). The transmitters have a two-wire hook-up, powered solely by the loop current and have a power supply range of 15 to 36 volts.

loop powered transmitter - Riverhawk

Overview

  • Converts displacement/vibration signal to DC voltage and/or current for DCS or PLC system
  • Controls a 4-20mA current loop for a specified vibration range (ex. 0-5 mils peak-to-peak)
  • Two-wire hook up that is powered solely by the loop current
  • Power supply range of 15 to 36 volts
  • Used in conjunction with Proximity Probes, Accelerometers, and Velocity Transducers

Specifications

  • Loop-powered – only two wires to connect to a DCS or PLC system
  • Auxiliary Signal Output
  • Temperature Range -40°C to +85°C
  • Loop Power Supply Range – 15 to 36 volts
  • High Limit (max. current) – 25 ± 4ma
  • Reverse Current Protection to 180mA
  • Fault Detection (except for charge-coupled accelerometers)
Diaphragm Coupling Manufactured By Riverhawk