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Ultrasound proximity sensor
The RPS-409A-2P analog ultrasonic sensor is a self contained sensor in a PVC housing with 2" NPT mounting threads. It is powered by 20 - 30VDC with reverse polarity protection.The RPS-409A-2P has a short circuit protected analog current sourcing 20 - 4mA output or an analog voltage 0 - 10VDC output. The analog current/voltage is a fixed mA/volts per inch based on the maximum range of the sensor.
Example 1: Using the RPS-409A-40-2PA the output is a linear 0.432mA per inch. A target placed 3 inches from the sensor will result in an output signal of 20mA and a target placed 40 inches from the sensor will result in an output signal of 4mA.
Example 2: Using the RPS-409A-40-2PV, the output is a linear 0.250V per inch. A target placed 3 inches from the sensor will result in an output signal of 0.750V and a target placed 40 inches from the sensor will result in an output of 10V.