Pressure transmitter circuit
LQP2088E Digital Tube Board
LQP2088E
Product Overview
The LQP2088 intelligent pressure transmitter features a four-digit digital display, significantly reducing costs compared to traditional transmitters with digital displays. It is suitable for signal transmission from diffused silicon pressure sensors. This product uses a 24-bit Σ-Δ analog front end to ensure high measurement accuracy. Improved surge, lightning, and reverse polarity protection prevent installation and operational errors in engineering applications. Enhanced software safety design includes low-voltage monitoring reset and multi-task scheduling optimization. All components are industrial-grade, ensuring long service life and stability.
Key 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 | 12~35VDC | Output | 4~20mA | |
| Measurement Accuracy | 0.1% F.S. | Output Current Limiting | 20.8mA | |
| Excitation Current | 0.2mA | Sensor | Diffused silicon, ceramic sensor | |
| Load | ≤500Ω | Transport and Storage Temperature | -40~120℃ | |
| Temperature Coefficient | ≤25ppm/℃ F.S | Housing Material | ABS | |
| Operating Temperature | -30~80℃ | Mounting Screws | M4*2 |
