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Multi-Positions Meter Test Bench
Multi-Positions Meter Test Bench

GF1000MULTI-POSITIONS SINGLE PHASE KWH METER TEST BENCH

The GF1000 series multi-positions single phase kWh meter test bench can measure mechanical meters, electronic mechanical meters and electricity meter error by the way of automatic, semi-automatic or manual operation. It composes of single phase programmable power source, high precision single phase reference energy meter, meter suspension test rack, Multi-channel server and precision clock source etc. GF1000 meter test bench is applied in the measurement centre of grid company energy measurement department of power supply company and energy management utility, industrial enterprise and meter manufacturers.

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FEATURES

■ With auto PC control software;

■ With barcode scanning function optional;

■ Meter positions can be chosen from 3 - 48;

■ Self-check and perfect protection function;

■ High resolution of voltage, current and power;

■ Large LCD display and simple interface for operation;

■ Full automatic, semi automatic and manual operation available;

■ Aluminum alloy material,light and strong and corrosion resistant;

■ Wide current measuring range which can be automatically switched;

■ High stability of power source which is up to 0.01%/100s and low distortion which is no more than 0.3%;

■ High accuracy, 6-digit display the energy relative errors are no more than 0.05%(0. 1%)within the measuring range;

■ Equipped with sing phase mulfunction reference meter and progam-conrolled single phase power source which can be separately used and are convenient for testing;

FUNCTIONS

■ Pre-warming;

■ Meter constant test;

■ Starting current test;

■ Creep test (No-load test);

■ Dips and Interruptions;

■ Dial test (Register test);

■ Equipped with RS232 communication port;

■ Testing single-phase meters under tampered conditions;

■ Calibration of lower accuracy reference standard meter;

■ Able to print out all kinds of test reports with the standard forms;

■ Calibrate all kinds of electronic and inductive single phase kWh meter;

■ Influence quantity test (voltage, frequency, harmonic distortion, etc.);

■ Automatic measurement like shunting, basic errors, standard deviation etc;

■ Accuracy test in all four quadrants (active, reactive and apparent energy);

■ Test voltage, current, active/reactive/apparent power, phase, power factor, frequency, and etc;

■ Able to display waveform of voltage and current able to set 2nd-51st harmonic of voltage and current, measure the waveform distortion and harmonic content, and display harmonic chart;

PARAMETERS

Electrical parameters　
Accuracy 0.02%, 0.05%, 0.1%
Power Supply AC 180-265V, or 3×220/380V±15%, frequency 50/60Hz.
AC Voltage Output
Range 57.7V, 100V, 220V, 380V (max 480V)
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 0.3% (Non-capacitive load)
Output load 1500VA
Measuring accuracy 0.02%RG or 0.05% RG
AC Current Output
Range(I1,I2,I3) 0.1A, 0.25A, 0.5A, 1A, 2.5A, 5A, 10A, 25A, 50A, 100A, 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 ≤0.3% (Non-capacitive load)
Output load 1500VA
Accuracy 0.02%RG or 0.05% 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 or 0.05% 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° or 0.05°
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
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 0.05%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
Pulse output frequency Max 50kHz
Power Pulse Input
Pulse constant set range (1--599999999)/kwh
Energy pulse type support active and reactive pulse, the highest frequency power pulse input is 200KHz.
Meter Position
Position 3, 6, 12, 20, 24, 40, 48pcs meter
Standard
Standard IEC 62053-21,22, 23; IEC 60736; 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;
EN 50470-1, EN 50470-2, EN-50470-3; IEC 61010;
Safety
Isolation protection IEC 61010-1:2001
Measurement Category 300 V CAT III, 600 V CAT II
Degree of protection IP20
Declaration of conformity CE & CNAS certified
Mechanical parameters
Dimensions (W×D×H) (mm) Cabinet size: 800 * 600 * 1850mm (L * W * H).
Bench size: 2*2400 * 760 * 1846mm (L * W * H).
Weight (kg) About 200
Environmental conditions
Ambient temperature 0°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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