Positioning water leak sensor when water leakage occurs and the cable detects a short circuit between the cables, the current value monitored by the controller will also change accordingly. According to Ohm’s law that resistance is related to length, the positioning controller will automatically calculate the specific location where the water leak occurs, and display the result in real-time through the display screen or monitoring system.
The precise positioning water leak alarm system developed by Renke is composed of a sensing cable for detecting water leakage and a positioning water sensor RS-SJ-DW-N01-R01-1 with an LED LCD and a positioning display alarm.
When the sensor cable detects water leakage, it will immediately transmit the signal to the positioning water leak sensor. It consists of four wires of different colors, red, green, yellow, and black, which are implanted into special polymers. The resistance per unit length is precisely processed and fixed. It can also be called a “locator”; the cable is non-metallic conductive It is made of polymer and has the function of low-resistance surface insulation, as well as extremely high corrosion resistance and wear resistance; the cable length of the positioning type water immersion sensor is 5 meters by default, and it can also be extended to 200 meters.
The positioning type water leak monitor RS-SJ-DW-N01-R01-1 is connected to the monitoring cable and 1 relay through the port. After receiving the alarm signal uploaded by the sensor cable, the relay will be immediately closed and the water leakage information will be sent at the same time Display on the LED screen.
In the case of normal system monitoring, the main interface of the LED LCD screen displays “no water immersion alarm, no disconnection alarm”; once there is a water leak, the content displayed on the main interface will immediately change to “xxx (water leakage location) flooding Alarm”; if the leaking rope is disconnected in the middle, the interface will display “Disconnection alarm Please check…”; whenever the sensor is powered on, the controller will automatically detect and display the line fault condition, if it displays “Please check “Wiring” indicates that there is a problem with the device wiring.
The positioning type water leak alarm detector is installed by a rail shell, and it can be used normally only by buckling it on a standard 35 mm DIN rail.
The main advantages of the locating leak detection system:
1. Reasonable structure, high reliability, no adjustable parts, convenient operation, never ignore any alarm, and will not alarm by mistake.
2. Each part of the induction cable can continuously sense the presence of water leakage, and can also accurately locate and detect whether the rope is broken, which is different from ordinary induction cables.
3. The sensor has multiple alarm methods such as sound, RS485, LED screen display, etc. If the relay is connected to an audible and visual alarm, it can also achieve high-decibel audible and visual alarm on-site when water leaks.
4. If the switch of the liquid valve connected to the relay occurs, the controller can control to cut off the liquid source to avoid accidents when water leakage occurs.
5. Once the positioning type water leak sensor RS-SJ-DW-N01-R01-1 detects the liquid, the leaking liquid locates the controller and the display position, and triggers the relay to produce a non-voltage contact closure, so the positioning type water immersion sensor It can be used as a stand-alone leakage monitoring unit, or it can be connected to other integrated collection hosts for network use.
Install water leak sensors in some invisible places, such as computer rooms, water system inlet and outlet pipes, etc., to monitor all water leaks in these places 24 hours a day, ensuring that the staff can know whether there is a water leak in the first time, and prevent Or control the occurrence or expansion of water leakage accidents.
