APG LPU-2428 Intrinsically Safe Ultrasonic Level Transmitter

APG LPU-2428 Intrinsically Safe Ultrasonic Level Transmitter Hazardous Locations Meet High Programmability. Made for highly configurable measurement in linear and non-linear tanks and channels, the LPU-2428 can internally calculate distance, level, flow, and volume. Intelligent and highly configurable.

APG Ultrasonic Level Transmitter LPU-2428 can calculate distance, level, flow, and volume in linear and non-linear tanks. With Class 1 Division 1 ratings, the loop powered LPU-2428 is built to handle the most hazardous locations. Add the ability to internally calculate volume or open channel flow data, and you have a unique and powerful ultrasonic sensor.

APG LPU-2428 Intrinsically Safe Features

  • Loop powered 4-20 mA output
  • Class 1 Division 1, Intrinsically Safe rating
  • Built-in calculations of current volume, flow, and flow totals

Programmable Intelligence

The LPU-2428 was made with intelligent software for highly configurable measurement. The sensor can calculate distance, level, flow, and volume. In addition, the sensor features a 32-point linearization table for non-linear tanks and channels.

Class 1, Div. 1

This loop powered sensor is suitable for use in hazardous areas rated CSA Class 1, Div. 1.


With a tough, IP65-rated housing, its hazardous rating, and non-contact measurement, the LPU-2428 takes care of itself.


  • CI, D 1 Hazardous Locations
  • Open-channel Flow
  • Non-linear Tanks
  • Dam Tail-water Levels
  • Irrigation Channel Level or Flow

APG LPU-2428 Intrinsically Safe Specification

Operating Range 1 to 25 ft. for liquids
1 to 10 ft. for solids
Accuracy ±0.25% of detected range
Resolution 0.1 in.
Response Time From 0.6 to 3 sec. (programmable)
Supply Voltage 12-28 VDC
(loop current 4-20mA)
Certifications CSA C/US
Class 1, Div. 1, Groups C & D
Class 1, Zone 0, AEx ia IIB T3
Class 1, Div. 2, Groups C & D
Class 1, Zone 2, AEx nA IIB
Output 4-20mA
Cable 2-conductor shielded
Internet Connectivity with RST-5003
Method RST-4101 Programming Module
Calculations Distance, Level, Volume, Flow
Tank/Channel Adjustments 32-point linearization table
Housing PVDF transducer housing & threads
PET upper housing
Mounting 2 in. NPT
Operating Temperature -40 to 140° F
Temperature Compensation Internal
Protection Rating IP65

Download Data Sheet: Intrinsically Safe Ultrasonic Level Transmitter LPU-2428

Ref: agpsensors.com

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