GDHG-103 Mutual Inductor CT PT Calibrator Transformer Calibration Device
General introduction
GDHG-103 CT/PT Calibrator is mainly used to calibrate CT/PT with accuracy class 0.01 to class 10, CT secondary rated current is 5A, 1A and PT secondary rated voltage is 100V, 100/3V, 150V(100/3V,220V). The test result is shown directly by figure.
Features
- Display, save and print data.
- Automatic measurement, using difference value measurement method and direct measurement error.
- Automatic polarity judgment, automatically determine the polarity within 2%-20%
- Automatically switch range according to measurement data.
- Strong adaptability for power supply.
- 320*240 LCD screen with back light.
- AC sampling and full data processing.
- With data management function. It can be connected with PC.
- Save and check measurement result. Data will not lose after power off .
Optional components:
- Standard PT
- Standard CT
- Self-boosting standard transformer
- Standard CT with current injector
- Control unit with double voltage regulator
- Inductive divider
- PT load case
- CT load case
Specifications
Measurement Range | In-phase component(%): 0.0001-200, resolution 0.0001 |
Quadrature component(min): 0.001-700.0, resolution 0.001 | |
Impedance(Ω): 0.001-20.0, resolution 0.0001 | |
Admittance(ms): 0.0001-20.0, resolution 0.0001 | |
Accuracy | Basic error |
In-phase component: ΔX=±(X×2%+Y×2%)±Dx | |
Quadrature component: ΔY=±(X×2%+Y×2%×34.48)±Dy | |
X,Y-- Display value of instrument | |
Dx, Dy-- Quantization error | |
lError of Percent table: 1.5% (1.0% for option) |
