BL0921 meter equivalent, single phase energy meter.
High accuracy, less than 0.1% error over a dynamic range of 500: 1
On-chip oscillator as clock source Exactly measure the real power in the positive orientation and negat.
The BL0921 is a low cost, high accuracy, high stability, simple peripheral circuit electrical energy meter IC. The meter based on the BL0921 is intended for using in single-phase, two-wire distribution systems. It can exactly measure the real power i.
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