The measured power has changed! Compared to the power frequency, variable frequency power is much more complicated!

With the rapid development of electronic technology, new energy technology, high efficiency power supply technology, the original dependence on multimeter or oscilloscope to achieve almost all of the electrical parameters of the test has become the past tense.
The reason is that the measured power has changed!
The traditional power frequency (50Hz/60Hz), sine wave characteristics of the power frequency has evolved into a complex variable frequency power!
Compared to the power frequency, variable frequency power is much more complicated!
Power consumption is a single characteristic value, and the measurement method may be diversified, but the characterization parameter is only one - effective value!
The frequency of the power supply is a multi characteristic value of electricity, most of times, in addition to the need to understand the true effective value, but also want to know the fundamental value, harmonic and harmonic distortion, etc..
Variable frequency power analyzer is the basic instrument for measuring, testing, analyzing and researching the variable frequency power. The main functions include power measurement, harmonic detection and power quality analysis.

The portable for the purpose, through a combination of break up the whole into parts, to get the function of variable frequency power measuring instrument.

DH2000 portable power frequency analyzer is base on WP4000 power frequency analyzer for the purpose of a virtual instrument after re assembly, break up the whole into parts.
DH2000 portable power frequency analyzer is mainly composed of a DH2000-2 type digital host, two DT113 type digital transmitter, transmission optical fiber, USB cable, two current probe, two voltage probe and notebook computer.
Each DT113 digital transmitter contains two input channels that can be connected to a voltage probe and a current probe. It can be used to measure the true RMS value of voltage and current, the RMS value and harmonic.
DH2000/PA1 connected to a DT digital transmitter can be used to measure single-phase electrical parameters, when the two transmitters are used, can be used to measure the three-phase three wire three-phase electrical parameters.