Classical Three Phase Watt Meter Test Bench
Specifications
1.Certificate: ISO 9001;2.Accuracy class: 0.05, 0.1;
3.High stability;
4.Prompt delivery
5.Excellent aftersale service
DZ603-3 Three Phase Meter Test Bench
Main function:
1- The operation can be controlled via special keyboard or PC software
2- Program controlled power source , high precision reference standard meter
3- output voltage and current adopts soft- stop and start alarm protection for voltage short circuit and current open circuit
4- support starting test and no-load test by keyboard
5- support 2-21st harmonic wave output by keyboard
6- keyboard current load testing point setting in common use: Imax400%200%150%100%50%20%10%5%
7- keyboard voltage load testing point setting in common use: 115%110%100%80%
8- keyboard phase testing point setting in common use:0.5L, 1, 0.8C
9- Voltage/ current/ frequency and phase angle shall be programmed freely under manual Calibration
10- support reverse phase-sequence output
11- Current/voltage support both actual value display and percentage value display
12- Support the function of testing 3 pcs single-phase meters simultaneously(optional)
14-Tested meter type:
2wire active
(only one unit single-phase meter is available if without the 13)function above )
4wire active
3wire active
4wire 90° reactive
3wire 60°reactive
3wire 2-element 90° reactive
4wire reactive ture
3wire reactive ture
Techincal index:
The lowest accuracy of the standard meter of the device is indicated
as follows:
1) Class of the device:0.05, 0.1, 0.2
2) Accuracy of the standard meter: 0.05, 0.1, 0.2
Other indexes:
1) Voltage output: 57.5,100,200,380V, 0-120% of each range continue adjusting
2) Current output: 0.1A,0.5A,1A,2.5A,5A,10A,20A, 60A , 0-120% of each range continue adjusting
3) Signal output: 45 - 65Hz, 0.1Hz
4) The phase between the voltage and current: 0 - 360°, 0.1°step
adjusting
5) Three phase symmetry: distortion less than 0.5°
6) Output power stability: <0.05%
7) Output voltage (current) distortion: <1% (voltage <30VA, current
<50VA)
8) Output voltage, current, phase-division power indicating meter: 4 digit
and half, accuracy: 0.5 class
9) Phase display: 0 - 359.9°, error <±0.5°, resolution: 0.1°
10) Frequency display: 45.0 - 65.0, error <0.01Hz, adjusting resolution:
0.1Hz
11) Power supply: 220V/230V/240±10%, frequency: 50Hz,60Hz
12) Working environment: temperature 20±2°C; relative
humidity: 80%
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