AM-UST Direct Output Ultrasonic Level Transducer

AM-UST Direct Output Ultrasonic Level Transducer

The AM-UST ultrasonic level transducer is one of the most compact and cost-effective level transducers on the market. Inside a package about the size of a quarter 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.

Special microballoon radiating material couples the piezoelectric crystal vibrations into the air with perfect impedance matching. The result is a very narrow beam angle. The embedded software automatically locks onto the true level while filtering out false echoes. Combining impedance matching of the crystal produces a 3 degree effective beam angle.

Simply plug the sensor adapter into your computer and you can program the AM-UST ultrasonic level transducer. To calibrate simply set the empty level and span. This automatically sets the 4-20 mA output.

With no moving parts the AM-UST ultrasonic level transducer will provide years of maintenance-free operation.


  • Non-contact ultrasonic level measurement

  • 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

  • 9-36 VDC power supply

  • Embedded software for simple user programming

  • Simple to install and calibrate


  • Chemical level control

  • Viscous or corrosive liquids

  • Wastewater monitoring

  • Inventory monitoring

  • Wastewater disinfection

  • Storage tank level

AM-UST Ultrasonic Level Transducer Datasheet



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