Pressure Sensors
YRD01-YL
High-Precision Water Level & Temperature Sensor
Product Overview
The YRD01-YL intelligent submersible level transmitter measures hydrostatic pressure with a high-performance sensor. Developed specifically for groundwater measurement, it outputs both water level and temperature with high precision and stability. Built-in battery and data storage (40,000+ records, non-volatile), IP68 protection; suitable for groundwater monitoring, urban water supply, dams, waterlogging and land subsidence studies.
Key Features
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Dual output: water level + temperature
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±0.05%FS pressure accuracy, 1 mm resolution
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IP68 with 304/316L/titanium options
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Built-in battery & FLASH storage, non-volatile
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Lightning protection & anti-interference design
Technical Specifications
| Range | 0–1 mH₂O…200 mH₂O |
|---|---|
| Overload | 2× FS; 5× over-pressure for ranges ≤5 mH₂O |
| Output | RS485 (digital) |
| Supply | 4.8–32 V DC (built-in battery 3.6 V/1650 mAh) |
| Data storage | 40,000+ records |
| Accuracy | Pressure ±0.05%FS (typ.), temp ±0.5 °C |
| Resolution | Level 1 mm / temp 0.1 °C |
| Housing/Sensor | 304/316L/titanium (optional) / 316L |
| Cable | Φ7.5 mm PU cable (dual steel wire) |
| Protection | IP68 |
| Working temp. | -20 to +85 °C |
| Long-term stability | ±0.02%FS/year (max) |
Typical Applications
Groundwater monitoring
Dam safety monitoring
Urban waterlogging monitoring
Land subsidence monitoring
Hydrogeological survey
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