LQL4022E dual display card
Product Overview
The LQL202T level transmitter module is a high cost-performance product launched by Shanghai Luoqian, suitable for resistance signal transmission of magnetoresistive sensors. This product uses a 24-bit Σ-Δ analog front end to ensure high measurement accuracy; comprehensive surge protection and reverse polarity protection design prevent incorrect installation and operation in engineering applications; enhanced software safety design includes functions such as low-voltage monitoring reset and multi-task scheduling optimization. The LQL202T uses all industrial-grade components to ensure long service life and stability. To facilitate long-term stockpiling for major customers, configuration settings can be made via a USB communication cable, and no external power supply is required during configuration.
Main Features
- Supports multiple types of temperature sensor inputs
- High-precision measurement with 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 | 12~35VDC | Output | Two-wire 4~20mA | |
| Measurement Accuracy | 0.2% | Output Current Limit | 20.8mA | |
| Excitation Current | 0.2mA | Sensor | Magnetoresistive Sensor | |
| Load | ≤500Ω | Transport and Storage Temperature | -40~120℃ | |
| Temperature Coefficient | ≤25ppm/℃ F.S | Housing Material | PA66 | |
| Operating Temperature | -30~80℃ | Mounting Screws | M4*2 |
