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three phase reference standard meter
three phase reference standard meter
three phase reference standard meter
three phase reference standard meter
three phase reference standard meter
three phase reference standard meter
three phase reference standard meter
three phase reference standard meter

GF333B PORTABLE THREE PHASE STANDARD REFERENCE ENERGY METER

GF333B three phase reference standard is a portable reference standard meter used to test three phase meters and single phase meters error, it designed to work both in the field and in the laboratory. The GF333B reference meter is used to measure three phase AC energy and voltage, current, power, phase angle and other parameters in lab, and it also can be used to integrated in the energy meter test system and supply the standard energy pulse and every measurement parameters.

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APPLICATION

■ Power plant;

■ AMI design center;

■ Electrical laboratory;

■ Energy meter R & D;

■ Watt-hour meter factory;

■ Colleges and Universities;

■ Metrological service center;

■ Laboratories of power utilities;

■ Electricity meter manufacturers;

■ Meter test bench integrated factory;

■ National Metrology and testing department;

■ Electricity power bureau & power company;

■ Electrical Department of industrial and mining enterprises;

FEATURES

■ Vector diagram function;

■ Waveform display function;

■ Harmonic analysis function;

■ Energy accumulating function;

■ With big screen TFT color LCD;

■ High accuracy up to 0.04% or 0.05%;

■ Testing type: 3P4W, 3P3W, 1P2W, 1P3W;

■ Internal pulse input port, testing meter's error directly;

■ Wide testing range: voltage 0V-600V, current 1mA-120A;

■ Testing mode: active power, reactive power, apparent power;

PARAMETERS

Electrical parameters
Accuracy 0.04%, 0.05%
Voltage supply 220V±10% or 110V±10%, 50/60Hz
Power consumption 15VA
Warming-up time <30min
Voltage measurement
Range 0V-600V
Error ±0.02% (50V-600V), ±0.05% (5V-40V)
Display range 5.000000V-600.0000V
Harmonic 2nd-63st
Current measurement
Range 1mA-120A
Error ±0.02% (0.1A-120A), ±0.05% (1mA-0.1A)
Display range 1.000000mA-120.0000A
Harmonic 2nd-63st
Power measurement
Active power ±0.02% (0.1A-120A)
±0.05% (0.01A-0.1A)
±0.1% (0.001A-0.01A)
Reactive power ±0.05% (0.1A-120A), ±0.1% (0.001A-0.1A)
Apparent power ±0.05% (0.1A-120A), ±0.1% (0.001A-0.1A)
Energy error
Active energy ±0.02% (0.1A-120A)
±0.05% (0.01A-0.1A)
±0.1% (0.001A-0.01A)
Reactive energy ±0.05% (0.1A-120A), ±0.1% (0.001A-0.1A)
Apparent energy ±0.05% (0.1A-120A), ±0.1% (0.001A-0.1A)
Phase measurement
Range 0°-360°
Resolution 0.005°
Error ±0.01°
Display range 0.0000°-359.999°
Frequency measurement
Range 45-65Hz
Display range 45.0000-65.0000
Resolution 0.0005
Accuracy 0.001Hz
Power Factor measurement
Range -1.00000 ~ 0 ~ +1.00000
Resolution 0.0001
Accuracy 0.0005
Energy pulse
High frequency output(CH) 12000Hz
Low frequency output(CL) 5000Hz
Pulse ratio 1:1
Output level 5V
Input level 5V
Input frequency Max. 1MHz
Function
LCD Display 6 inch color disply
Vector diagram Yes
Waveform Yes
Energy accumulation Yes
Self-calibration Yes
Data storage Yes
PC software Optional
Communication port RS232
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
Safety
Isolation protection IEC 61010-1:2001
Measurement Category 300 V CAT III, 600 V CAT II
Degree of protection IP40
Declaration of conformity CE & CNAS certified
Mechanical parameters
Dimensions (W×H×D) (mm) 480×138×486
Weight (kg) 10
Environmental conditions
Ambient temperature -10°C to 45°C
Storage temperature -20°C to 65°C
Relative humidity 10%-85%
Influence of external fields ≤0.05 %/mT
Temperature coefficient ≤0.0005% /℃

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