Three-phase site energ meter test instrument KP-P3001-B (with current source) is an ideal device to test all kind three-phase energy meters accuracy below 0.2, especially for testing installed meters on site, the tested meter could be without load(not working). The equipment can generate suitable current and supply a dummy load to the tested meter, as if the meter is on load condition. So the equipment can test the error of the tested meter at different load and different power factor.
The equipment is box structure, easy to carry, it is very convenience to test the installed meters on site, especially for meters on site without load or worker want to verify the error of the tested meter at different load and different power factor.
Because the meters installed on site have voltage supply, the equipment just adopts current amplifier, which can output different current and can trace the voltage phase of power supply. So the equipment can test the errors, by comparing energy impulse from the tested meter with energy impulse from the reference meter which inside the equipment.

ADVANTAGES
1.Displays of vector diagram for analysis of the supply conditions.
2.DDS technology signal generator: 
The signal generator adopts digital sine wave composing technology. The signal generator can trace the voltage phase and supply a dummy load to the tested meter by outputting adjustable current with different phase;
3.High efficiency D-Class current amplifier: 
The equipment adopts PWM power amplifier (or we called D-Class amplifier), which is high efficiency (>85%) and very low heat consumption. The amplifier has protect function ,it can avoid damage due to wrong connection or other manual operations. Current amplifier and output shifter can output different current;
4.Large LCD screen display.

MAIN TECHNICAL
1. Power and consumption:
2. Power supply: 1P2W  220V/240V ±10%,  50Hz or 60Hz;
3. Max. consumption: 250VA

4.Current source:
  Output current: 3×0.001A-3×100A
  Adjusting resolution: 0.01% (min. 0.0001A)
  Power factor: 0~3600; resolution: 0.10
  Output frequency: 45Hz~65Hz;
  Distortion(sine wave output): current <0.5%
  Current stability of power source during sine wave output: 0.05% (180s)
  Output wave: sine wave
  Output capacity: 50VA per phase