










💧 Elevate your irrigation game with pinpoint precision and effortless smart control!
The CQRobot Contact Water/Liquid Level Sensor is a compact, photoelectric sensor designed for precise liquid level detection with ±0.5mm accuracy. Compatible with Raspberry Pi and Arduino, it features corrosion and temperature resistance, low power consumption, and flexible multi-orientation mounting. Ideal for automatic irrigation, aquariums, and agricultural applications, it offers adjustable output voltage and alarm functions for reliable, maintenance-free operation.






| Manufacturer | CQRobot | 
| Part number | CQRSENYW002 | 
| Item Weight | 50 g | 
| Product Dimensions | 21 x 3.6 x 7.11 cm; 50 g | 
| Item model number | CQRSENYW002 | 
| Size | Liquid Level Sensor | 
| Colour | Contact | 
| Style | Single Point Contact Type | 
| Material | silicone pc | 
| Power source type | Corded Electric | 
| Voltage | 5 Volts | 
| Item Package Quantity | 1 | 
| Measurement Accuracy | ±0.5mm | 
| Plug profile | Wall Mount | 
| Specific uses | Automatic Irrigation Systems, Aquariums, Plants, Garden, Agriculture, Alarm Function | 
| Batteries included? | No | 
| Batteries Required? | No | 
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