level transmitter circuit

LQL2088T Magnetoresistive Liquid Level Digital Tube Board

LQL2088T

Product Overview


The LQL2088T intelligent liquid level transmitter features a four-digit digital display, which significantly reduces costs compared to traditional transmitters with digital displays. This transmitter is designed for converting resistance signals from magnetoresistive sensors. The LQL2088T uses a 24-bit Σ-Δ analog front end, offering both anti-interference capability and high precision. It is equipped with comprehensive surge protection, lightning protection, and reverse polarity protection to prevent incorrect installation and operation in engineering applications. Enhanced software safety design includes undervoltage monitoring reset, multi-task scheduling optimization, and other features. The LQL2088T is built entirely with industrial-grade components, ensuring long service life and stability.

Main Features

  • Supports multiple types of temperature sensor input
  • High-precision measurement, accuracy up to 0.1%
  • Excellent temperature stability
  • 4-20mA standard current output
  • Wide operating voltage range

Technical Specifications

Parameter Specification Parameter Specification
Operating Power Supply 12~35VDC Output 4~20mA
Measurement Accuracy 0.1% F.S. Output Current Limit 20.8mA
Excitation Current 0.2±0.01mA Sensor Magnetoresistive Sensor
Load 250Ω or 500Ω Transport and Storage Temperature -40~120℃
Temperature Coefficient ≤25ppm/℃ F.S Housing Material PA66
Operating Temperature -30~80℃ Mounting Screw M4*2