Specifications:
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Built-in output power supply used for capacity test: |
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Voltage output range: |
0~10V |
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Current output range: |
0~10A |
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External power supply for test of the transformer characteristics: |
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Voltage measurement range: |
0~750V |
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Current measurement range: |
0~80A |
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Measurement accuracy |
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Voltage, current, frequency: |
±0.2% |
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Power: |
±0.2% (CosΦ≥0.3), ±0.5% (0.1<CosΦ≤0.3), ±0.1% (0.02<CosΦ≤0.1) |
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Operating temperature: |
-10~+40 |
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Charging power supply: |
AC176V~264V 50Hz |
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Insulation & power frequency withstand voltage |
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Insulation between Volt/cur. input and case: |
≥100MΩ |
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Power Freq, withstand between signal input and case: |
2kV for tests lasting 1minute |
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Dimension (LxWxH): |
320*240*130 |
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Weight: |
5.1kg |
Description:
The transformer capacity Test Instrument is a digital, portable instrument designed for measurement of distribution transformers' capacity, loss and other parameters. It integrates the functions of off-line measurement of distribution transformer capacity, no-load current, no-load loss, load loss, impedance voltage and other power frequency parameters.
The instrument is composed of the rechargeable battery (built-in), DC-AC inverter (invert DC into a three-phase, 50Hz AC voltage), 6-channel AC sampling and A/D converter, DSP, keyboard, LCD display, and a Micro-printer etc.
Features & Functions:
- Test functions for capacity of distribution transformers.
- Test functions for distribution transformer' no-load current, no-load loss, short-circuit voltage, load loss, and other parameters.
- Automatic correction functions:
- Test voltage correction (no-load test at non-rated voltage).
- Current correction (load test at non-rated current)
- Waveform distortion correction (voltage waveform distortion under no-load test),
- Frequency correction (correction for test source frequency impedance Voltage and no-load loss).
- Reference temperature correction.
- Indicate if any partial defects occur in the transformer's magnetic circuit, according to the results of no-load test for one phase.
- Indicate if the voltage waveform of no-load test power supply is qualified.
- Histogram, displaying 2-51st harmonic of the six Signals in real time.
- Oscillograph, displaying the six signals in real time.
- Wide range of limited measurements.
- Color TFT, high brightness, wide temperature LCD display
- Built-in rechargeable high-energy batteries.
- Built-in mini-printer.
