SZ-03A-K8 Three Phase Standard Meter with 0.02% Accuracy for Multi-Parameter Measurement and Harmonic Analysis

SZ-03A-K8 series three phase standard meter utilize such lasted technology as high speed DSP, CPLD, MCU and ADC with self-calibration, etc. Thus, the meter can sample AC signal in high speed and treat them with special digital arithmetic. All of these make the meter’s structure simply and measure 0.02% accuracy of the relative error.

Features: 

High accuracy

Measuring error of three phase voltage, current, power and electric energy error ≤±0.02%

Wide measurement range

Voltage from 5V to 480V

Current from 10mA to 160A

Multi-parameter measurement

Testing three phase voltage, current, power, electric energy, power factor, phase and frequency synchronously

Multi-mode measurement

Three phase four wire (3P4W) & three phase three wire (3P3W) active

Three phase four wire (3P4W) & three phase three wire (3P3W) reactive

Three phase four wire (3P4W) & three phase three wire (3P3W) apparent

Three phase four wire (3P4W) & three phase three wire (3P3W) cross connected reactive

Single phase two wire (1P2W) active

Single phase two wire (1P2W) reactive

Single phase two wire (1P2W) apparent

Harmonic measuring and analyze

Testing waveform distortion factor and 2nd-21^st harmonic content, and displaying rod chart.

Verify the test bench

Measuring the asymmetry rate of voltage, current and phase in every phase and the stability of power.

Waveform display

Display voltage and current waveform synchronously.

Ideal standard meter

Energy pulse constant can be set automatic or manual, calculating and displaying the error and standard deviation of tested meter; have the function of electricity quantity add up, power on/off can be controlled by manual or external Synchronous pulse

Software calibration

Through software can calibrating full range and phase angle to improve the reliability and efficiency

Strong communication function

There are two communication ports RS-232, can be connected with PC and test bench, realizing automatic measurement and calibration

Friendly interface

Big and clear LCD display, large information can display

Convenient operation

One-key directly control