Three Phase Reference Meter

INTRODUCTION The instrument is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure various of AC parameters. TECHNICAL SPECIFICATIONS Electrical parameters Accuracy class 0.05%, 0.1% Resolution 6 TFT (640-480) Power supply 220V±10%, 50/60Hz Li-polymer battery (size (mm): 110x51x16, nominal output voltage: 7.2V, capacity: 5000mAh) Power line supply (U1, UN), 85V-265V 50/60Hz Communication port RS232 Test voltage Range 5-480V Error ±0.05% (30V-480V) ±0.1% (5V-30V) Harmonic 2nd-63st Test current Range (direct connection) 5mA-20A Error (direct connection) ±0.05% (100mA-20A) ±0.1% (10mA-100mA) Range (clamp CT) 10mA-3000A Error (camp CT) ±0.2% (100mA-100A) ±0.5% (100A-3000A) Harmonic 2nd-63st Power measure error Active power (direct connection) ±0.05% (0.1A-20A) ±0.1% (0.01A-0.1A) Reactive power (direct connection) ±0.1% (0.1A-20A) Energy measure error Active energy (direct connection) ±0.05% (0.1A-20A) ±0.1% (0.01A-0.1A) Reactive energy (direct connection) ±0.1% (0.1A-20A) Phase angle Range 0-360 Resolution 0.01 Error ±0.05 Frequency Range 45-65Hz Resolution 0.001Hz Error 0.002Hz Pulse input Input channel 2 Input level 5-24V Input frequency Max. 2MHz Pulse output Energy constant 180000imp/kWh, 1800imp/kWh, 180imp/kWh Pulse ratio 1:1 Output level 5V Function Vector diagram Yes Waveform Yes Energy accumulation Yes Communication with PC Yes Mechanical parameters Instrument dimensions (WHD) (mm) 220-13861 Instrument Weight (kg) 1.7 Carry case dimensions (WHD) (mm) 450-320185 Carry case (kg) 8.5 Environmental conditions Ambient temperature -10C to 55C Relative humidity 15%-85%

The instrument GF312D1 is a precision 0.05% AC energy meter testing instrument, mainly used to test three phase energy meter error on site, measure all various of AC parameters and CT ratio & phase error, it is also as three phase reference energy meter in the laboratory. Mainly using test single phase or three phase meter error on site. GF312D1 energy meter calibrator is an ideal test tool for the metrological service of electricity power company.

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.

The GF302D1 three phase portable energy meter test equipment consists of an integrated three phase current source(up to 500V/120A or 500V/20A) and built-in three-phase electronic reference standard of accuracy class 0.05%. Characteristic features of the GF302D1 are its wide measuring range, high accuracy and high tolerance to unwanted external influences. The equipment offers high functionality combined with an excellent menu guided operation via built-in keyboards and colored 7" touch LCD-display. Voltage & current harmonics output from 2 to 63 times. This model portable meter test equipment can be programmable by PC, automatic generation of energy meter error test report.

This product is portable design,used in field to check watt-hour meter error. Accuracy class:0.05. 6.4inch TFT COLOR LCD measured CT variable ratio 0-600V/1MA-12A Check wiring and calculation electricy of compensation.

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.

GF312B2 portable three phase reference meter high accuracy 0.02%, with all kinds of optional clamp on ct and smart optical sampler. It can be applied in electrical laboratory or on site. it will be ensured by a combination of measures such as the use of 24bit A/D converter, DSP 32 bit ARM technology, a widely measuring range 600V/120A, adapted to typical test points of most recognized national metrological institutes. It can be as high precision three phase reference energy meter, also three phase portable meter calibrator, test ct pt ratio, burden etc.

High accuracy class up to 0.02% High stability, high reliability Measuring 2nd~51st harmonics Metal structure, strong and reliable Waveform display function Vector diagram function Energy accumulating function Suit for testing in the lab As a three phase reference standard