What is a water leak detector?
A water detector is a sensor used to detect water leakage within a measurement range. Once there is a water leakage, immediately report to the police to prevent the leakage accident caused by the relevant loss and harm. Water leakage sensors are widely used in data centers, communication rooms, power stations, warehouses, archives and other places that need waterproof.Water leakage sensors detect and prevent standing water and flooding caused by broken pipes and faulty equipment. The water leakage detection system consists of a sensor, a monitoring host and a monitoring platform. Sensors are placed in areas where leaks often occur, such as near faucets and under water heaters.
If the installed leak detection system detects moisture in a location that should be dry, it will trigger a water sensor alarm and send an alert message to the user. At the same time, control the relay installed near the water supply main, close the water valve, cut off the water flow in time, to prevent leakage caused by more serious losses when not at home. Identifying problems and taking action is the right way to protect your home and property.
Water leakage sensors are divided into contact water leakage detectors and non-contact water leakage detectors.
Working principle of contact type water leakage detector
The principle of liquid conduction is used for detection. Under normal conditions, the bipolar probes are air-insulated and the sensor outputs a dry contact signal when the probe is immersed in water. When water touches the sensor probe, the main control chip can accurately judge the state by calculating the change of magnetic field and process it. The main control chip is imported from the United States, and the misjudgment rate is “0”. It can contact the probe, the common leakage rope, and even distinguish between pure water and tap water. The default is to detect tap water.
Working principle of non-contact water detector
The refraction and reflection principle of light in different medium cross sections are used for detection. The LED and photoreceiver are placed in a plastic hemisphere. When the detector is placed in the air, most of the LED photons are received by the photon receiver due to total reflection, and when close to the hemispheric surface, the photoreceiver receives light due to light refraction. The received LED photons will decrease and the output will change. Applicable to the general corrosive conductive liquid leakage site deployment.
Water leakage detector
The water immersion sensor is a fully sealed design to ensure the accuracy and reliability of the product. The product has high sensitivity, fast response time, convenient use, and easy installation. The water immersion sensor is a simple and practical leak detection device, which can be installed independently, or used as a detection probe with other hosts for leak detection. This kind of monitoring system is integrated, through its input relay contact signal, it can realize remote alarm and remote equipment control.Water flood sensors are widely used in communication base stations, hotels, restaurants, computer rooms, libraries, archives, warehouses, equipment cabinets and other places where water accumulation is required to alarm.