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河北省巨鹿县电力局积极寻求技术手段,在全县推广使用预收费电卡表.该表是一种智能计量装置,有一表多卡系统功能,用户从电力部门所购电量被微机输入电磁卡钥匙上,不同的用户持各自的电钥匙在同一表使用,电表平时处断开状态,插上电钥匙电卡表合闸送电,拔出电钥匙自动断电.此表具有电量显示、报警、延时、销户、抄表等功能,每个电卡表可与200个电钥匙配套.电卡表为电
The Julu County Electric Power Bureau of Hebei Province actively seeks technical means to promote the use of pre-paid electricity card tables in the county. The table is a smart metering device with a multi-card system function. The electricity purchased by users from the power department is input by the microcomputer. On the card key, different users hold their respective electric keys on the same watch, and the meter is normally disconnected. Plug in the electric key and the electric card table closes and transmits power, and the electric key is automatically powered off. This meter has a power indicator, Alarms, time delays, PIN accounts, meter readings and other functions, each electric card table can be matched with 200 electric keys. The electric card table is electric