久久久av熟女人妻波多野结衣,亚洲 日本 欧洲 欧美 视频,开心五月综合激情综合五月,热久久99热精品首页

Electric Meters


User Interface Unit
Product Introduction:
    WHCi04-1 is a display unit with keypad that has been designed to meet the latest STS standards and
requirements of electricity utilities and work with STS prepayment meter.

Main features:
    LCD display. Keypad with 12 keys. Protection degree IP51. Replaceable battery. 220V or USB port as power supply optional. Internal PLC or RF module that is used to communicate with meter. It can requires meter data, indicate meter status. Support token which accord with STS standard.