GF302 Portable High Precision Multi-Product Calibrator

Multi-Product Calibrator

GF302 portable multi-product calibrator is suitable for power plant and power grid companies for the following function: metrology and testing department and instrumentation classes, national levels measuring and testing institutions, railway, petroleum, chemical industry and other large industrial and mining enterprises, scientific research units, etc. The core technology function with digital signal processor (DSP) and 16 high-speed digital converters composed of high precision power frequency communication terminal. The signal power source is 32bit DSP and 16 high-speed digital-to-analog converters, it can control the sine wave and distortion wave signal source. It can be used as a concentration electrical laboratory. This calibrator can output 3×600V/3×20A AC and 1000V/20ADC, accuracy 0.05%. it can calibration of all kinds of transducers, power meter, ammeter, voltmeter, digital meter, phase angle meter, RTU & AC sampler device etc.

 

Functions & Features

  • Meet ISO17025 Electrical laboratory standard;
  • 6.4 inch big screen color display and English interface;
  • Testing AC sample device, RTU & measurement device error;
  • Measurement range widely from 3×600V/3×20A AC and 1000V/20ADC;
  • With USB port, it can connect computer for data management or controlled by PC;
  • For the software calibration, you don't need to open the case, it's stable and reliable;
  • With automatic failure detection function, shows fault part, the convenience users check line;
  • Test single-phase, three-phase electronic, mechanical watt-hour meter or energy meter/ kWh meter error;
  • As one voltage source, current source and power source with high precision and high stability standard resource;
  • Voltage output terminal with short circuit, current output terminal open protection and power amplifier overheating protection function;
  • The built-in electric measurement transducer, electric measurement instrument and meter instructions of verification program, fully automatic or semi-automatic for verification, and save 10000 group test data;
  • Check all kinds of electric measurement indicating meter, including AC/DC voltmeter, AC/DC ammeter, frequency meter, phase angle meter, single & three-phase ac active power meter, three-phase ac reactive power meter & synchronous meter etc;
  • All kinds of electric measurement transducer can be tested, including AC/DC voltage transducer, AC/DC current transducer, frequency transducer, phase transducer, single/ three-phase AC active power transducer, three-phase reactive power transducers;

Application

  • Power plant;
  • Universities;
  • Research institutes;
  • Transducer manufacturers;
  • Power meter manufacturers;
  • Panel meter manufacturers;
  • Electrical testing center;
  • Digital meter manufacturers;
  • Pointer meter manufacturers;
  • Railway electrical department;
  • ISO17025 Electrical laboratory;
  • RTU & AC sampler device manufacturers;
  • Power engineering commissioning company;
  • Electricity power bureau & power company;
  • Electrical Department of industrial and mining enterprises;
 

Parameters

Electrical parameters 
Accuracy class 0.05%
Power supply Single phase AC 220V±10% or 110V±10%, 50/60Hz
Communication port USB, RS232
AC Voltage output 
Range(U1,U2,U3) 50V, 100V, 200V, 400V, 600V
Adjusting range (0-120)% RG
Adjust fineness 0.005% RG, 0.01% RG, 0.1% RG, 1% RG, 10% RG
Accuracy 0.05% RG
Stability 0.01% / 1 min
Load capacity 25VA
Output distortion degree ≤0.3% or (linear load)
AC Current output 
Range(I1,I2,I3) 0.5A, 1A, 2.5A, 5A, 10A, 20A
Adjusting range (0-120)% RG
Adjust fineness 0.005% RG, 0.01% RG, 0.1% RG, 1% RG, 10% RG
Accuracy 0.05% RG
Stability 0.01%/1 min
Distortion ≤0.2% (non-capacitive load)
Load capacity 25VA
Output distortion degree ≤0.3% or (linear load)
AC Power output 
Accuracy 0.05% RG
Stability 0.01%/1min
Frequency 
Frequency range 45.000 - 65.000 Hz
Resolution 0.001 Hz
Accuracy 0.002 Hz
Power factor output 
Adjusting range -1 ~ 0 ~ 1
Adjust fineness 0.0001
Accuracy 0.0005
Phase angle 
Scope 0°-359.99°
Resolution 0.01°
Accuracy 0.05°
Voltage/Current harmonic output 
Times 2-31st
Content 0-40%
Phase 0-359.999 degree
Configuration error (10% RD + 0.1%), RD refers to the configuration value of harmonic contents
DC Voltage output 
Range 75mV, 75V, 150V, 300V, 500V, 1000V
Adjusting range (0-120)% RG
Adjust fineness 0.005% RG, 0.01% RG, 0.1% RG, 1% RG, 10% RG
Accuracy 0.05% RG
Stability 0.01%/1min
Load capacity 25VA
DC Current output 
Range 0.5A, 1A, 2.5A, 5A, 10A, 20A
Adjusting range (0-120)% RG
Adjust fineness 0.005% RG, 0.01% RG, 0.1% RG, 1% RG, 10% RG
Accuracy 0.05% RG
Stability 0.01%/1min
Load capacity 25VA
DC measurements 
DC voltage measurement range 0 to ±24V
DC current measurement range 0 to ±24mA
Measurement accuracy 0.01% RG
Watt-hour meter measuring the integrated error
Active energy 0.05%
Reactive energy 0.1%
Function
LCD 6.4 inch color
Power meter test Yes
Power meter test Yes
Energy meter test Yes
Transducer test Yes
Digital meter test Yes
RTU & AC sampler device test Yes
Protection relay device test Yes
Power factor meter Yes
Frequency meter test Yes
Current meter test Yes
Voltage meter test Yes
Data storage Yes
PC control software Yes, optional
Standard
Standard JJG126-1995, JJG_597-2017, Q/GDW 1899-2013, DL/T1112-2009, DL/T630-1997, JJG124-2005; JJF1587-2016; IEC61010, IEC 61000, IEC 61326; IEC60736;
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×H×D) (mm) 460x430x185
Weight (kg) 20
Environmental conditions 
Working temperature 0°C to 40°C
Storage conditions -30°C to 60°C
Relative humidity ≤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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