Pressure transmitter circuit
LQP3051DPS Board
LQP3051DPS
Product Overview
The LQP3051DPS single-crystal silicon differential pressure transmitter is a high-precision, high-stability pressure transmitter, compatible with single-crystal silicon, diffused silicon, and ceramic piezoresistive pressure sensors. This product uses a 24-bit Σ-Δ analog front end to ensure high measurement accuracy; comprehensive anti-surge, lightning protection, and reverse polarity protection design to prevent misinstallation and misoperation in engineering applications; enhanced software safety design including low-voltage monitoring reset, multi-task scheduling optimization, and other functions. All industrial-grade components are used to ensure long service life and stability.
Key Features
- High-precision measurement with accuracy up to 0.2%
- 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 | 0.2% F.S | Output Current Limiting | 20.5mA | |
| Excitation Current | 50-500uA | Sensor | Monocrystalline Silicon | |
| Load | ≤500Ω | Transport and Storage Temperature | -40~120℃ | |
| Temperature Coefficient | ≤25ppm/℃ F.S | Output Frequency | 20 - 320Hz | |
| Operating Temperature | -30~80℃ | Mounting Screw | M3*2 | |
| Stability | ±0.1% FS/year | Maximum Power | 0.02Us (W) |
