国产精品高清资源|成AV人日韩亚洲|最新国产福利导航|影音先锋美女中文字幕爱情网视频|日韩激情三区四区|一区二区在线欧美|亚洲不卡AV中文字幕|久久午夜夜伦|国产日韩一区av|成人动作av网站

Prepaid IC water meter card, now every household will use, there are many kinds of water meters, water meters according to use can be divided into civil water meters and industrial water meters. According to the pressure can be divided into ordinary water meter and high pressure water meter. Meter reading system is divided into wireless and wired meter reading two. According to whether the counter is immersed in water to distinguish, divided into wet water meter, dry water meter, liquid sealed water meter. The following is a small series to introduce to you what features of prepaid IC water meter card.

The prepaid IC water meter card can not only be used to measure the cold water flow in the pipeline, but also has the function of automatic charging. User the water to the management department, management department to write purchasing amounts into the IC card, the user will input for the water meter IC card, after the water meter will automatically open the valve of water supply, in the process of water users, microcomputer automatic subtract the residual quantity of water meter, the purchased water and exhausted, water meter will automatically close the valve, the user needs to open the door again to buy water to supply water valve. The advantage is that the water fee income from the original staff door to door meter reading charges for users to pay their own business. The contradiction between the user and the meter reader is solved.