What does power analyzer refer to? How many types, working principle, structure, use, precautions are?

Power analyzer LMG671

1, power analyzer refers to the instrument used for the measurement of electrical parameters, generally used to measure the voltage and current power correlation value, also known as power tester.

2, the principle of measurement can be understood in simple terms as P = U * I, a single will be designed to operate complex formulas, AD conversion

3, the general mainstream power is now 2-3U, 1-7 channels, rack-mounted or desktop, portable also

4, the use of the most important point of attention is that the sensor must be powered first, and then test, in addition to the selection of power analyzers To brighten the eyes, because there are too many factors affecting