The remote water meter is also called intelligent remote water meter. The so-called "intelligence" means that the internal structure of the water meter is equipped with intelligent electronic modules. Generally, it has two working principles: pulse type and direct reading type. The pulse type remote water meter is equipped with a sensor on the counter of the meter, which will send a pulse signal every time the word wheel rotates, At this time, the system will collect, accumulate and store each pulse signal, and then conduct remote meter reading on the meter reading machine or upper computer. The main types are photoelectric conversion pulse type, reed tube pulse type and Hall element pulse type. Its biggest advantage is that it is convenient for centralized meter reading management, greatly reduces the labor intensity of meter reading personnel, and has reliability and anti-interference; The direct reading remote water meter is to install several sensing devices on one side of each word wheel of the water meter counter, and install the sensor corresponding to the sensing device on the other side, and then determine the position of the word wheel through the corresponding state of the sensor and the sensing device, so as to obtain the data to be read out, and then conduct remote meter reading through the meter reading machine or upper computer. The main types are transmission photoelectric conversion direct reading type, contact coding direct reading type, reflection photoelectric conversion direct reading type, resistance contact direct reading type and digital camera direct reading type.
There are many types of smart water meters. In addition to the above remote water meters, there are also common ones, such as prepaid IC card smart water meters, which are called card meters or magnetic card water meters. This card meter is more widely used in apartments, rental houses, factory dormitories and other scenes. Its functional experience is more convenient and intelligent both in use and later management.
