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electric meter test bench
electric meter test bench
electric meter test bench
electric meter test bench

GF302D3PORTABLE THREE PHASE ENERGY METER TEST BENCH

The GF302D3 portable three phase energy meter test bench consists of an integrated three phase 120A current source and 600V voltage source and a class 0.02 three phase electronic reference standard meter.
The energy 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. It can auto & manual test all kinds of energy meter error. Using on site or in the laboratory. It can preset a variety of test schemes for testing energy meter.

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FEATURES

■ Min current output 1mA;

■ 4 quadrant measurement;

■ Predefined multiple load points;

■ User friendly menu guided operation;

■ Verification of the energy registration;

■ 1P2W, 1P3W, 3P3W, 3P4W can be set;

■ Reference meter and power source integration;

■ Easy verification and analysis of meter installations;

■ Automatic operation without need of an external PC;

■ Verification of the load conditions on metering installation;

■ Programmable many kinds of testing energy meter schemes;

■ Automatic testing mechanical meter and electronic meter error;

■ Generation of harmonics in current and voltage up to the 63nd;

■ Voltage, current, frequency, phase angle, power factor, harmonics can be regulated;

■ Vector diagram display and phase sequence indication on integrated colored screen;

■ Especially configured USB stick for storage of customer data and measurement results;

APPLICATION

■ Power plant;

■ Electrical laboratory;

■ Energy meter R & D;

■ Watt-hour meter factory;

■ Metrological service center;

■ Electricity power bureau & power company;

■ National metrology and testing department;

■ Electrical department of industrial and mining enterprises;

PARAMETERS

Electrical parameters　
Accuracy 0.02%, 0.05%
Power supply Single phase AC 85-265V, frequency 50/60Hz.
AC voltage output
Range (U1, U2, U3) 57.7V, 100V, 220V, 380V; max 500V
or 69.3V, 120V, 240V, 480V (optional); max 600V
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 or 50VA
Accuracy 0.05%RG or 0.02%RG
AC current output
Range (I1, I2, I3) 200mA, 1A, 5A, 20A, 100A; max 120A
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 50VA or 100VA or 200VA
Accuracy 0.05%RG or 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 0.05%RG or 0.02%RG
Reactive power measuring accuracy 0.1%RG
Apparent power measuring accuracy 0.05%RG or 0.02%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 40Hz-70Hz
Output adjustment fineness 5Hz, 1Hz, 0.1Hz, 0.01Hz as optional.
Resolution 0.001Hz
Accuracy 0.002Hz
Voltage/Current/Harmonic setting output
Harmonic number 2-63times
Harmonic content 0-40%
Harmonic phase 0-359.99
Harmonic setting accuracy (10%±0.1%)RD(2)
Power energy measurement error
Active power energy 0.05%RG or 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 200K.
Communication port
Communication port RS232, USB2.0
Standard
Standard IEC62053-21,22,23; IEC60736; ANSI C12.20-2002;
JJG 597-2005; JJG596-2012; JJG 1085-2013; JJF 68-2019;
DL/T 826-2002; DL/T 1478-2015; DL/T 448-2016
Safety
Isolation protection IEC61010-1: 2001
Measurement category 300V CAT III, 600V CAT II
Degree of protection IP20
Declaration of conformity CE & CNAS certified
Mechanical parameters
Dimensions (W×D×H)(mm) 445 x 460 x 158
Weight (kg) 18
Environmental conditions
Ambient temperature -10°C to +40°C
Relative humidity 35%-85%
(1) RG means range, the same as below;
(2) RD means the setted harmonic content, harmonic can be a single output, also multiple output.

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