Starting at $718.00
  • Usually ships in 2-3 weeks



  • Measuring range: 1 to 25 feet
  • Accuracy: ±0.25% of detected range
  • 0.1 inch resolution
  • Output options:
    • 4-20 mA 600 ohms@ 24 VDC, 150 ohms @ 12 VDC
    • 4-20 mA with (2) NPN outputs
  • 2-inch NPT mount
  • Beam Pattern: 9º off axis
  • AutoSense Software for hassle-free setup
  • Internal Temperature Compensation
  • Frequency: 69 kHz
  • Programming via RST-3002 Programming Module
  • Internet Connectivity with RST-5003
  • Supply Voltage: 12-28 VDC
  • IP65 rated PVDF (Kynar®) transducer housing
  • CSA C/US Class 1, Div. 2, Groups A, B, C, & D


The APG IRU-2420 Level Sensor is an ultrasonic level detector designed with flexibility in mind. Featuring APG's AutoSense software for quick and easy programming in a variety of application settings, along with suitability for hazardous locations classified under CSA Class 1, Div. 2, the IRU-2420 works well for a wide variety of tank level applications in nearly any environment.

The APG IRU-2420 has a range from 1 to 25 feet with a basic accuracy of ±0.25% of detected range providing a non-contact method of detecting level, presence/absence detection, volume, proximity and distance. The IRU-2420 includes built in technology to compensate for unpredictable variables such as humidity, temperature and agitators.

The IRU-2420 level sensors are designed for a variety of applications, and therefore have ample programming options to accommodate many needs. Output options include 4-20 mA or 4-20 mA with (2) NPN outputs.