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  • Low Cost
  • Analog Voltage Output
  • Pulse Width Output
  • Narrow Sensing Beam
  • Self Contained Sensor
  • Compact Design
  • Input Voltage 11.8 – 30VDC
  • Reverse Polarity Protection

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About the LCU-40APW

The LCU-40APW analog ultrasonic sensor is a self contained sensor in a PVC housing with 1″ NPSM mounting threads. It is powered by 11.8 – 30VDC with reverse polarity protection. The LCU-40APW comes with analog voltage and pulse width outputs.

The LCU-40APW is designed to take advantage of today’s PLC and computer analog input cards. The analog card chosen will determine the resolution of the system. The numerical values that are programmed into the PLC or computer will determine the zero and span.


Operational Range: 4″ to 40″
Power Input:11.8-30 VDC
Reverse Polarity Protected
Input Current:30mA, typical
Ambient Temperature:0 – 60°C or 32 – 140°F
Humidity:0 – 95% Non-Condensing
Housing:PVC with glass filled epoxy resin sensing face
Analog Voltage:Analog Voltage Output Non-Adjustable
250mV per inch (1V at 4″ & 10V at 40″)
Load 4.7K Ohms to infinity
Short Circuit Protected
Pulse Width:Positive Pulse
5Vp with 90K Ohm load, Typical
3.3Vp with 6.8K Ohm load, Typical
Transducer Frequency:170kHz, typical
Response Time:
Analog Voltage:10-250ms, typical
Pulse Width:10ms, Typical
Weight:3 ounces

Ordering Information

Part NumberRangeOutput
LCU-40APW4″ – 40″1 – 10VDC Analog and Pulse Width
LCU-40APW-M84″ – 40″1 – 10VDC Analog and Pulse Width – Cable Sold Separately
LCU-40APW-M124″ – 40″1 – 10VDC Analog and Pulse Width – Cable Sold Separately
F32-5070053Cables for LCU-40APW-M82 meter QD Cable, Pico 4-Pin Locking – Sold Separately
F32-5001183Cables for LCU-40APW-M122 meter QD Cable, M12 4-Pin 22 AWG – Sold Separately
F32-5001186Cables for LCU-40APW-M125 meter QD Cable, M12 4-Pin 22 AWG – Sold Separately



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