CT-PT Transformer Volt-Ampere Characteristic Tester
Technical Specifications
3.1 Volt-Ampere Characteristic Technical Specifications:
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Input Voltage
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Output Range
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Measurement Range
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Measurement Accuracy
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Main Unit
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220V
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0~550V, 0~20A
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0~550V, 0~20A
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< =0.5%
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Main Unit
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380V
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0~950V, 0~20A
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0~950V, 0~20A
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< =0.5%
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External Booster Transformer
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220V
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0~2000V, 0~3A
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0~2000V, 0~3A
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< =0.5%
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External Voltage Regulator
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0~1000V, 0~30A
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< =0.5%
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Device Operating
Power Supply
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AC 220V±10%, 50/60Hz
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Operating Environment
Temperature
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-10℃ - +50℃
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Measurement
Power Source
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AC 220V or AC 380V
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Dimensions, Weight
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420×300×270mm3, 34.5Kg
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3.2 Current Transformer Measurement Range:
Transformation Ratio: 5A/5A~25000A/5A (5A/1A~5000A/1A).
Turn Ratio Error: 1%.
3.3Voltage Transformer Measurement Range:
2.2kV~132kV, Measurement Error: Ratio Error 0.5 Class.
3.4 Actual Secondary Load Test
PT Load 10VA~500VA, Measurement Error: Class 2
CT Load 0.1Ω~25Ω, Measurement Error: Class 2
3.5-inch Operating Conditions:
Power Supply Voltage: AC 220V ±10%
Power Supply Frequency: 50Hz ±2%
Ambient Temperature: (0~40)℃
Ambient Humidity: <85% at 25℃
Functional Features:
1. Fewer wiring terminals and simple wiring methods for user convenience.
2. Single-unit volt-ampere characteristic test output voltage 0-1000V, current 0-15A; single-unit transformation ratio test maximum output current 0-600A.
3. Fully automatic voltage boosting, current boosting, plotting of volt-ampere characteristic curves, CT-PTTransformer Volt-Ampere Characteristic Tester calculates transformation ratio results, eliminating tedious manual voltage adjustment, manual recording, curve plotting, and improving work efficiency.
4. Can simulate and test the phase angle error and ratio error of transformers without external standard transformers and voltage/current sources.
5. Can test CT/PT volt-ampere characteristics, transformation ratio, polarity, phase angle error, ratio error, 5% and 10% error curves, secondary circuit, secondary AC withstand voltage, and demagnetization tests.
6. Large-screen Chinese LCD display, intuitive and convenient.
7. Built-in micro high-speed printer for on-site printing of curve graphs and test data.
8. Uses imported photoelectric rotary encoder, simple and convenient operation.
9. Large-capacity memory can store 1000 sets of test data, data is not lost on power failure.
10. USB communication interface, can be connected to a laptop for testing.
11. Small size, light weight, convenient for mobile testing.
Technical Specifications:
1. Input Voltage: AC 220V or 380V, 50Hz, automatic recognition of input voltage.
2. Operating Ambient Temperature: 0～40℃
3. Output Voltage:
When input AC 220V, output 0～550V;
When input AC 380V, output 0～1000V.
Current: Maximum instantaneous current for transformation ratio test is 240A
For volt-ampere characteristic test, it is 15A.
4. Digital Voltmeter Measurement Range: 0～999.9V; Resolution: 0.1V.
When used as current display: 0～999.9mA; Resolution: 0.1mA.
5. Digital Ammeter Measurement Range: 0～15A (240A), Resolution: 0.01A.
6. Error: I≤3%, U≤3%.
7. When testing CT transformation ratio, it can automatically calculate the ratio value and print the data and calculation results.
8. When testing volt-ampere characteristics, it stores and prints 20 sets of current and voltage values and the volt-ampere characteristic curve.
9. External Dimensions: Length×Width×Height = 470×340×260mm3
10. Weight: 21kg.
