how to improve the success rate of meter reading methods and measures. Tenth, eleventh chapter explains in electronic energy meter performance testing in confusing error problem.
2013年8月21日星期三
Tamper prepaid meters
With a variety of anti-theft features: either disguised or reversal are measured, can be properly measured.
Energy saving: starting current, no creeping, wide load, low power consumption, the error curve is circuit breakers long-running stability, beautiful appearance, small size, light weight, easy to install.
High accuracy: all-electronic design, built-in import dedicated chip, accuracy is not frequency, temperature, voltage, high harmonics.
Long life: using SMT mcb circuit breaker , optimized circuit design, the whole circuit without adjustment after leaving the factory.
Low power consumption: the use of low-power design, reduce line loss.
Pre-charge; IC card to Electric energy meter , data readback, including: readback total capacity, remaining capacity, the table of cumulative electricity purchased, the total purchase frequency information.
Storage table constant, the initial value, the user address, name and other information.
Overload alarm off, remaining battery alarm to alert users buy electricity.
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