GF302 Portable High Precision 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.
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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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