RPS-401, RPS-426

Self Contained Proximity Sensor

Max Range: 80 inches

RPS-401 in Plastic Housing
RPS-426 in Stainless Steel Housing

  • Sensing Range 4–40″, 8–80″
  • Narrow Sensing Beam
  • High Frequency
  • Range & Hysteresis Controls
  • Reverse Polarity Protected
  • Short Circuit Protected
  • Operates in Hostile Environments
  • Operating Voltage 20-30 VDC
  • Isolated N.O. N.C. Solid State Relays

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Description

About RPS-401/426

The RPS-401 and RPS-426 are self-contained ultrasonic sensors in a 30mm barrel housing, powered by 20-30VDC. A sealed transducer provides protection in hostile environments. The sensor can be operated in two modes a proximity and a hysteresis mode. Operating as proximity sensors and level sensors. The frequency of operation for the RPS-401 is 212kHz for the 4″ to 40″ range and 150kHz for the 8″ to 80″range. The RPS-426 has an 8″ to 80″ range, and operates at a frequency of 150kHz. These sensors also have built-in short circuit protection for the outputs as well as reverse polarity protection on the input.

The construction of the RPS-401 sensor is PVC plastic and the RPS-426 is Stainless Steel. A barrel housing is used 30mm in diameter by 100mm in length. For set up purposes an LED indicator is provided. When not detecting the LED will illuminate green and when detecting the LED will illuminate red. The outputs consist of two solid state relays N.O. and N.C. which can switch 2-130VAC or VDC up to 100mA DC or 50mA AC continuous. The relay outputs are short circuit protected and isolated up to 1500 volts rms. A standard 6′ cable is provided or a quick disconnect (QD) version is also available.

Specifications

Operational Range:40″ Models – Adjustable 4 – 40″
80″ Models – Adjustable 8 – 80″
Power Input:20 – 30VDC Reverse Polarity Protected
Input Current:50mA
Humidity:0 – 95% Non-Condensing
Ambient Temperature:0 – 60ºC or 32 – 140ºF
Housing:RPS-401 – PVC with PVC sensing face
RPS-426 – 303 Grade Stainless Steel with PPS
and PTFE sensing face
Output:2 Solid State Relays N.O. & N.C.
Isolation 1500VRMS
2 – 130VAC or VDC
50mAAC or 100mADC Continuous
Short Circuit Protected
Transducer Frequency:40″ Models – 175kHz
80″ Models – 150kHz
Response Time:40″ Models – 30ms
80″ Models – 50ms
Weight5.5 to 12 ounces

Ordering Information

Part NumberRangeOutput
RPS-401-404″ to 40″2 Solid State Relays N.O. & N.C.
RPS-401-808″ to 80″2 Solid State Relays N.O. & N.C.
RPS-401-40QD4″ to 40″2 Solid State Relays N.O. & N.C. – Cable Sold Separately
RPS-401-80QD8″ to 80″2 Solid State Relays N.O. & N.C. – Cable Sold Separately
RPS-426-404″ to 40″2 Solid State Relays N.O. & N.C.
RPS-426-808″ to 80″2 Solid State Relays N.O. & N.C.
RPS-426-40QD4″ to 40″2 Solid State Relays N.O. & N.C. – Cable Sold Separately
RPS-426-80QD8″ to 80″2 Solid State Relays N.O. & N.C. – Cable Sold Separately
F32-50011622 meter Cable for QD version, 1/2″-20 5-Pin 22 AWG
F32-50011646 meter Cable for QD version, 1/2″-20 5-Pin 22 AWG

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