GF302 portable multifunction instrument calibrator
GF302 portable multifunction instrument calibrator is suitable for power plant and power grid companies for the following function: measuring 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 work frequency communication terminal. The signal source is DSP and 16 high-speed digital-to-analog converters, it can control the sine wave and distortion wave signal source.
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Functions and Features
- All kinds of electric measurement transducer can be checked, 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
- Check all kinds of electric measurement indicating meter, including AC/DC voltmeter, AC/DC ammeter, frequency meter, phase meter, single three-phase ac active power meter, three-phase ac reactive power meter, synchronous meter, etc
- Test single-phase, three-phase electronic, mechanical watt-hour meter or energy meter/kWh meter error
- Calibrate AC sample device, RTU, measurement device error
- The built-in electric measurement transducer, electric measurement instrument and meter instructions of verification procedures, can fully automatic or semi-automatic for verification, and save 1000 group check data
- It can be used as voltage source, current source and power source with high precision, and it is a high stability standard resource
- 6.4-inch big screen color display and English interface
- For the software calibration, you don’t need to open the case, it’s stable and reliable
- Voltage output terminal with short circuit, current output terminal open protection and power amplifier overheating protection function
- With automatic failure detection function, shows fault part, the convenience users check line
- With USB port, it can connect computer for data management or controlled by PC
Parameters
| Electrical parameters | |
|---|---|
| Accuracy class | 0.05%, 0.1% |
| 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 |
| Accuracy | 0.05%RG |
| Stability | 0.01%/1min |
| 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 |
| Accuracy | 0.05%RG |
| Stability | 0.01%/1min |
| 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 | 45.000-65.000Hz |
| Resolution | 0.001Hz |
| Accuracy | 0.002Hz |
| 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 |
| 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 |
| 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% |
| 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% |
