Self-contained Ultrasonic Level Sensor - RPS-4000

• Operational Range: Adjustable 2 - 40'
• Power Input: 20 - 30VDC Reverse Polarity Protected
• Input Current: 125mA
• Ambient Temperature: -20 - 60ºC or -5 - 140ºF
• Humidity: 0 - 95% Non-Condensing
• Enclosure: PVC housing with PVC sensing face
• Transducer Frequency: 38kHz

  • Model Number: RPS-4000
  • Data Sheet: Date Sheet File
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  • Self-contained Ultrasonic Level Sensor
  • Self-contained Ultrasonic Level Sensor
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Product Specification

RPS-4000 Ultrasonic Level Sensor Features

• Simple Calibration
• Non-Contact Measurement
• Temperature Compensation
• Analog 4-20mA Output
• Sensitivity Control
• Self-Contained
• LED Indicator
• Quick Disconnect
• Easy Installation
• Microprocessor Design

RPS-4000 Ultrasonic Level Sensor Description
The RPS-4000 self-contained long range Ultrasonic Sensor provides level control of both liquid and bulk materials. This gives the user a viable alternative to bubblers, floats, capacitance probes, and pressure transmitters. The RPS-450 product line features solid state construction including the solid state relay outputs. The sensor operates in the ultrasonic spectrum and is therefore not heard. For initial setup purposes, a built in potentiometer and LED indicator are provided.

The LED indicator illuminates when the ultrasonic wave from the sensor is reflected back to the sensor within the desired range. The sensor provides precise proximity or level sensing regardless of target color, density, or transparency. The sensor is equally effective on liquid, metal, plastic, or glass targets.

RPS-4000 Ultrasonic Level Sensor Specifications

Operational Range
Adjustable 2 - 40'
Power Input
20 - 30VDC Reverse Polarity Protected
Input Current
Ambient Temperature
-20 - 60ºC or -5 - 140ºF
0 - 95% Non-Condensing
PVC housing with PVC sensing face
Current Sourcing Analog Output
4 - 20mA Inverted & Non-Inverted
Load 0 - 500 Ohm Maximum
Short Circuit Protected
Transducer Frequency
Transmit Time
Transmit time equals the sensors maximum
distance x 10ms. For example if the
maximum programmed distance is 10' the
transmit time is 100ms.
15 ounces

2 - 40'
4 - 20mA Analog - Cable Sold Separately

2 meter QD Cable, 1/2"-20 6-Pin 22 AWG
6 meter QD Cable, 1/2"-20 6-Pin 22 AWG

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