Pressure transmitter circuit
LQP3051D Segment LCD Board
LQP3051D
Product Overview
The LQP3051D is a high-precision, high-stability pressure transmitter board. It features a 12864 dot matrix LCD display with rich display content and functionality. Suitable for diffusion silicon and ceramic piezoresistive pressure sensors. This product uses a 24-bit Σ-Δ analog sampling chip to ensure high measurement accuracy; comprehensive surge and reverse polarity protection design prevents incorrect installation and operation in engineering applications; enhanced software safety design includes independent watchdog, low-voltage monitoring reset, and multi-task scheduling optimization. All industrial-grade components are used to ensure long service life and stability.
Main Features
- Supports input from multiple types of temperature sensors
- 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 | 12~35VDC | Output | 4~20mA | |
| Measurement Accuracy | 0.1% F.S | Output Current Limiting | 20.8mA | |
| Excitation Current | 210uA | Sensor | Diffused Silicon Ceramic | |
| Load | ≤500Ω | Transport and Storage Temperature | -40~120℃ | |
| Temperature Coefficient | ≤25ppm/℃ F.S | Housing Material | PC | |
| Operating Temperature | -30~80℃ | Mounting Screws | M3*2 |
