RPS–150A Self Contained Sensor

Analog Proximity Sensor
Max Range: 80 Inches

  • Adjustable Zero & Span
  • Broad Sensing Beam
  • Range 2 to 40″ or 5 to 80″
  • LED Strength Indicator
  • Analog Current & Voltage Outputs
  • Selectable Inverted & Non-Inverted Outputs
  • Short Circuit & Reverse Polarity Protected
  • Limit Switch Style Housing

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RPS-150A Overview

The RPS-150A analog ultrasonic sensor is mounted in a limit switch style housing and is completely self contained. It is powered by 20-30VDC, and is reverse polarity protected. It also has a wide beam angle which enables it to detect a target that is not at right angles. A flat target can tilt up to 35 degrees and still be detected. The RPS-150A has 2 short circuit protected analog outputs, 4-20mA and 0-10VDC. These outputs can easily be inverted and can be scaled over almost any range by means of adjusting the zero & span control. For set-up purposes an LED signal strength indicator is provided. The RPS-150A ultrasonic sensors can be used as level control devices for liquid level and bulk materials.

This LED is green when not detecting and fades to RED as a target moves into place, depending on how much reflected signal is coming back from the target. The frequency of operation is 38.5kHz. There are two ranges available in this model 2″ to 40″ or 5″ to 80″. It also features a quick disconnect (QD) receptacle. The housing is constructed of PBT plastic and has standard 30mm x 60mm limit switch mounting dimensions as well as side holes for mounting the sensor on its side.

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Product Specifications

Operational Range:Adjustable 2″ to 40″
Adjustable 5″ to 80″
Power Input:2 – 30VDC Reverse Polarity Protected
Input Current:50 mA VDC
Ambient Temperature:0 to 60°C or 32 to 140°F
Humidity:0 to 95% Non-Condensing
Housing:PBT Plastic, Limit Switch Style
Outputs:Current Soucing Analog Output
4 – 20 mA Inverted & Non-Inverted
Load 0 Ohms to 500 Ohms
Analog Voltage Ouput
0 – 10 volts Inverted & Non-Inverted
Load 500 Ohms to Infinity
Short Circuit Protected
Transducer Frequency:38.5kHz
Response Time:40″ Model – 22ms
80″ Model – 52ms
Weight:9.5 ounces

Ordering Information

Part NumberRangeOutput
RPS-150A-402″ – 40″0 – 10VDC and 4 – 20mA Analog – Cable Sold Separately
RPS-150A-805″ – 80″0 – 10VDC and 4 – 20mA Analog – Cable Sold Separately
F32-50011832 meter QD Cable, M12 4-Pin 22AWG
F32-50011865 meter QD Cable, M12 4-Pin 22AWG

Technical Information