AM-UST Ultrasonic Level Transducer

AM-UST Ultrasonic Level Transducer outputs directly either a 4-20 mA analog signal or two Modbus over RS485 digital signals

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The AM-UST is one of the most compact and cost-effective level transducers on the market. Inside a package about the size of a 1/4-DIN enclosure is a full feature ultrasonic transducer that outputs directly either a 4-20 mA analog signal or two Modbus over RS485 digital signals. The unit is powered by a 9 -36 VDC power supply.

The matching impedance between the crystal transducer and the air results in a very narrow beam angle. The embedded SENSOR LOGIC software automatically locks onto the true level while filtering out false echoes.

Simply plug the SENSOR adapter into your computer and you can program the AM-UST. To calibrate simply set the empty level and span. This automatically sets the 4-20 mA output.
With no moving parts the AM-UST will provide years of maintenance-free operation.


  • Open channel measurement for level, flow, volume and pump control
  • Effective 30 beam angle
  • 2 SPDT Relays for alarm and pump control
  • 4-20 mA and 2 Modbus / RS-485 output
  • Embedded software for simple user programming

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