I. Product Overview
This sensor employs advanced optical principles, using an optical path in conjunction with water to detect liquid level. It has no internal moving mechanical parts, featuring high precision, high reliability, and long lifespan. The housing is made of food-grade PC material, making it suitable for liquid level monitoring and control in various household appliances and industrial fluids.
II. Core Features
- Precise detection:High detection accuracy (±1MM)
- High protection rating:Meets IP67 waterproof and dustproof standards
- Green and environmentally friendly:Complies with RoHS environmental standards
- Ultra-low power consumption:operating power consumption is only 75mW
- High reliability:No internal mechanical movement, long lifespan, and strong anti-interference capability.
III. Application Scenarios
Suitable for various fluid monitoring and control applications, including but not limited to:
- water purifier
- water dispenser
- coffee machine
- humidifier
- Hand sanitizer dispenser
- washing machine
- dishwasher
- robot vacuum
- Other automated equipment that requires liquid level monitoring
IV. Specifications
| Parameter name | Parameter value / condition |
| Rated voltage operating range | DC 1.8 ~ 5.5V |
| Rated operating current | 15mA |
| Liquid level detection function (VCC=DC5V) | Water output from the pipe: Low level < 0.5V
No water output from the pipeline: High level > 4.0V |
| Operating power consumption (VDD=DC5V) | 75mW |
| Detection time | < 50uS |
| Operating temperature range | -40°C to 60°C (non-freezing); instantaneous withstand of 90°C. |
| Use water pressure | < 12bar |
| Service life | VCC=DC5V, no abnormalities observed after 1 × 10⁵ switching cycles. |
| Protection level | IP67 |
| Material | Food-grade PC material (no requirement for water inlet/outlet direction) |
V. Electrical Wiring Definitions
Cable specification: C3B-3P white plug
| Line color | Function definition |
| red | Connect to power (+) |
| black | Connect to power (-) |
| yellow | Signal output |
Cable length specification: Standard cable lengths are 260mm and 300mm, but the specific length can be customized according to customer requirements.
VI. Installation and Usage Instructions
- Installation direction:It is recommended to install the sensor pipe vertically.
- Environmental requirements:It should not be used in strong light environments, so as not to affect the accuracy of optical detection.
- Piping requirements:Please ensure proper sealing at pipe connections to guarantee waterproofing. There are no special requirements regarding the direction of water inlet and outlet.
