General
The GF302D3 portable three phase electric meter test bench consists of an integrated three phase 20A current source and 500V voltage source and a class 0.05 three phase electronic reference standard meter.
The electric meter test bench is particularly designed for analysis of complete metering installations and local mains conditions. The meter test bench offers high functionality combined with an excellent menu guided operation via built-in thirty keys and colored 7” touch LCD-display.
FEATURES
Min current output 1mA
Predefined multiple load points
Reference meter and power source integration
User friendly menu guided operation
Easy verification and analysis of meter installations
Automatic operation without need of an external PC
Generation of harmonics in current and voltage up to the 51th
Verification of the load conditions on metering installation
Verification of the energy registration
Automatic testing mechanical meter and electronic meter error
Voltage, current, frequency, phase angle, power factor, harmonics can be regulated
1P2W, 1P3W, 3P3W, 3P4W can be set
4 quadrant measurement
Vector diagram display and phase sequence indication on integrated colored screen
Especially configured USB stick for storage of customer data and measurement results
PARAMETERS
|
Electrical parameters |
|
|
Accuracy |
0.02%, 0.05%, 0.1% |
|
Power Supply |
One Phase AC 85-265V, frequency 50/60Hz. |
|
AC Voltage Output |
|
|
Range(U1,U2,U3) |
57.7V, 100V, 220V, 380V
or 69.3V, 120V, 240V, 480V( optional) |
|
|
|
Adjustment range |
(0-120)%RG(1) |
|
Adjustment fineness |
0.01%RG, 0.1%RG, 1%RG, 10%RG as optional. |
|
Stability |
0.01%/120s |
|
Distortion |
0.2% (Non-capacitive load) |
|
Output load |
each phase 25VA |
|
Measuring accuracy |
0.02%RG |
|
AC Current Output |
|
|
Range(I1,I2,I3) |
200mA, 1A, 5A, 20A; max 25A |
|
Adjustment range |
(0-120)%RG |
|
Adjustment fineness |
0.01%RG, 0.1%RG, 1%RG, 10%RG as optional. |
|
Stability |
<0.01%/120s |
|
Distortion |
≤0.2% (Non-capacitive load) |
|
Output load |
25VA |
|
Accuracy |
0.02%RG |
|
Power Output |
|
|
Active power output stability |
<0.01%RG/120s |
|
Reactive power output stability |
<0.02%RG/120s |
|
Active power measuring accuracy |
0.02%RG |
|
Reactive power measuring accuracy |
0.1%RG |
|
Phase Output |
|
|
Output adjustment range |
0°-359.999° |
|
Output adjustment fineness |
10, 1, 0.1, 0.01 as optional. |
|
Resolution |
0.01° |
|
Accuracy |
0.02° |
|
Power Factor |
|
|
Adjustment range |
-1 ~ 0 ~ 1 |
|
Resolution |
0.0001 |
|
Measurement accuracy |
0. 0005 |
|
Frequency Output |
|
|
Adjustment range |
45Hz-65Hz |
|
Output adjustment fineness |
5Hz, 1Hz, 0.1Hz, 0.01Hz as optional. |
|
Resolution |
0.001Hz |
|
Accuracy |
0.002Hz |
|
Voltage /Current/Harmonic Setting |
|
|
Harmonic number |
2-51times |
|
Harmonic content |
0-40% |
|
Harmonic phase |
0-359.99 |
|
Harmonic setting accuracy |
(10%±0.1%)RD(2) |
|
Power Energy Measurement Error |
|
|
Active power energy |
0.02%RG |
|
Reactive power energy |
0.1%RG |
|
Power Pulse Output |
|
|
Power pulse type |
active pulse, reactive pulse |
|
Active power pulse output |
5V, 10mA |
|
Power Pulse Input |
|
|
Energy pulse type |
support active and reactive pulse, the highest frequency power pulse input is 180K. |
|
|
|
Mechanical parameters |
|
|
Dimensions (W×D×H) (mm) |
400x460x158 |
|
Weight (kg) |
18 |
(1) RG means range, the same as below;
(2) RD means the setted harmonic content, harmonic can be a single output, also multiple output. |
