level transmitter circuit
LQL2088D Dot Matrix LCD Board
LQL2088D
Product Overview
LQL2088D is a high-precision, high-stability liquid level transmitter board. It features a 12864 dot-matrix LCD display with rich display content and functions. Suitable for reed switch liquid level resistance signal transmission. This product uses a 24-bit Σ-Δ analog sampling chip to ensure high measurement accuracy; comprehensive anti-surge and reverse polarity protection designs prevent misinstallation and mishandling in engineering applications; enhanced software safety design includes independent watchdog, low-voltage monitoring reset, multi-task scheduling optimization, and more. All industrial-grade components are used to ensure long service life and stability.
Key Features
- High-precision measurement, 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% | Output Current Limit | 20.8mA | |
| Excitation Current | 210uA | Sensor | Reed Switch Level | |
| Load | ≤600Ω | Transport & Storage Temperature | -40~120℃ | |
| Temperature Coefficient | ≤25ppm/℃ F.S | Housing Material | ABS | |
| Operating Temperature | -30~80℃ | Mounting Method | 4mm Bullet Connector |
