Portable AC DC Three Phase Meter calibrator

This device adopts advance ARM+FPGA, high precision D/A conversion and DDS technologies, can set up and regulate parameters of voltage, current, frequency, phase etc in a long period of time, via analog closed loop feedback and digital PID controlFeatures:1Test errors and variance caused by voltage, current, waveform or power fator change, for a variety of metering instrument such as energy meter, voltmeter, ammeter, wattmeter, frequency meter, power factor meter, phase meter2. Generate distorted wave with 2~32 order harmonic, harmonic number, order, amplitude and phase position to base wave can be controlled by programs3.Operational amplifier work frequency 40HZ~1kHz, good linearity, dual output protection, High fidelity output signal and high shock-proof ability4.RS232 and USB(optional) communication interface for PC connection5.Aluminum alloy carrying box, which look nice, and with little weightTechnique Parameters:1. AC output
Voltage scope: 0 - 600V
Range: 25V, 50V, 110V, 200V, 400V, 600V
Current scope: 0 ~ 24A
Rated current range: 0.1A,0.5A,1A,5A,10A,20A
Voltage current regulation range: 0~120%
Voltage current regulation fineness: 5x10-5
Voltage current error ≤0.03%(Rd)±0.02%(full range),0.05 level
Voltage current output power: every rated range full scale 100% ≥ 20W
Output frequency:
Range: 45 Hz ~ 65 Hz
Resolution: 0.001 Hz
Accuracy: 0.01 Hz
Output phase:
Range: 0 ~ 359.99°
fineness: 0.010
Accuracy: 0.01°
Output Harmonic:
Orders: 2~51th order
Amplitude: 0~20%
Each order phase position fineness: 0.010·N(N is harmonic order number)
Output Power
Output power scope: ranged current range and rated voltage range can be mixed arbitrarily
Accuracy: 0.1, 0.05 level within rated range ( reactive power accuracy will be one level lower)
Output waveform distortation: AC voltage current ≤0.3%
Energy Meter measurement:
Integrated error: 0.1,0.05% FS (impulse output ≤90kHz, three phase rated vaule=60kHz)2. DC output
DC voltage range: 75mV,1V,3V,7.5V,15V,30V, output capacitance: 100mA,75V,150V,300V,600V,1000V, output capacitance: 40mA
DC current range: 30uA,300uA,3mA,30mA,maximum output capacitance: 9VA,300mA,0.5,1,2.5,5A ,10A ,20A maximum output capacitance 10VA
DC voltage, current regulation range: 0~120% FS, fineness: 5x10-5
Rated Voltage range accuracy: error ≤0.06%(Rd)±0.04%(full range), 0.1 class,error≤0.03%(Rd)±0.02%(full range), 0.05 class
Rated current range accuracy: error ≤0.06%(Rd)±0.04%(full range), 0.1 class,error≤0.03%(Rd)±0.02%(full range), 0.05 class
DC 75mV output (load≥200Ω) error:≤0.12%(Rd)±0.08%(full range), 0.2 class,≤0.06%(Rd)±0.04%(full range), 0.1 class
Others:
Working power supply: Single phase 220V±10%, 50Hz±5%
Working environment: temperature 20ºC±10ºC relative humidity≤85%RH
Size and Weight: 460x480x200mm, 18kg