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85-
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DDS901 SINGLE PHASE ELECTRONIC KILO WATT-HOUR METER
DDS901 are 2.0 electronic single phase watt-hour meters. They apply to the working condition of power electricity of 50Hz or 60Hz frequency, -10℃~ +50℃ environmental temperature and the humidity not more than 85%. This meter applies micro-electronic technology to measure the power. It gets voltage sampling signals from the divider. The current divider will get the current & voltage signals from multiplier and through frequency conversion, produce a counting pulse in which the frequency is in direct ratio with the voltage current. Then the counter is driven by frequency dividing stepping motor to meter the power.
DDSY 901 single phase electronic prepaid KWH meter adopts the newest technique of personal computer and electronic currency IC card for purchasing electricity media. Such as electrical energy calculation, load control and users, information management. The product is an ideal product when reforming electric-use system, achieving electrical energy to comm- ercialize, setting charge and adjusting load state in the electric-network. The product can be installed in the electric meter box , indoor or outdoor, the ambient temperature is -25℃ - +60℃. The relative humidity is not more than 85%
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