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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 low power consumption, corrosion resistance, and flexible multi-orientation mounting. Ideal for automatic irrigation, aquariums, and agricultural applications, it offers adjustable output voltage via a DIP switch for seamless integration into diverse smart systems.






| 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 |
| Batteries included? | No |
| Batteries Required? | No |
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