LQT2088D Dot Matrix LCD Board
Product Overview
The LQT2088D is a high-precision, high-stability temperature transmitter board. It features a 12864 dot matrix LCD display, offering rich display content and functionality. It is suitable for signal transmission of up to ten different types of thermocouples and thermal resistors. The product utilizes a 24-bit Σ-Δ analog sampling chip to ensure high measurement accuracy; comprehensive surge and reverse connection protection design prevents accidental installation and operation errors in engineering applications; enhanced software safety design includes independent watchdog, low-voltage monitoring reset, multitasking scheduling optimization, and more. All components are industrial-grade, ensuring long service life and stability.
Main Features
- Supports multiple types of temperature sensor inputs
- 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 | 12~36VDC | Output | 4~20mA | |
| Measurement Accuracy | RTD 0.1%; TC 0.2% | Output Current Limit | 20.8mA | |
| Excitation Current | 210uA | Sensor | Various RTDs and Thermocouples | |
| Load | ≤600Ω | Transportation and Storage Temperature | -40~120℃ | |
| Temperature Coefficient | ≤25ppm/℃ F.S | Housing Material | ABS | |
| Operating Temperature | -30~80℃ | Mounting Method | 4mm Lantern Plug |
