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 Step-up 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:
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 Frequency: 50Hz ±2%
Ambient Temperature: (0~40)℃
Ambient Humidity: <85% at 25℃
Features:
1. Fewer wiring terminals, simple connection methods, convenient for users.
2. Single-unit volt-ampere characteristic test output voltage 0-1000V, current 0-15A; single-unit ratio test maximum output current 0-600A.
3. Fully automatic voltage increase, current increase, plotting of volt-ampere characteristic curves, CT-PTTransformer Volt-Ampere Characteristic Tester calculates ratio results, eliminating manual voltage adjustment, manual recording, curve plotting and other tedious tasks, improving work efficiency.
4. Can simulate test the angle error and ratio error of transformers without external standard transformers and voltage/current sources.
5. Can test CT/PT volt-ampere characteristics, ratio, polarity, angle error, ratio error, 5%, 10% error curves, secondary circuit, secondary AC withstand voltage and demagnetization, etc.
6. Large screen Chinese LCD display, intuitive and convenient.
7. Built-in micro high-speed printer, can print curve graphs and test data on site.
8. Uses imported photoelectric rotary encoder, simple and convenient operation.
9. Large capacity memory, can save 1000 sets of test data, data not lost on power failure.
10. USB communication interface, can connect to laptop for testing.
11. Small size, light weight, convenient for mobile testing.
Technical Specifications:
1. Input Voltage: AC 220V or 380V, 50HZ, automatic identification of input voltage.
2. Operating Environment Temperature: 0～40℃
3. Output Voltage:
When input AC 220V, output 0～550V;
When input AC 380V, output 0～1000V.
Current: maximum instantaneous current when measuring ratio is 240A
When testing volt-ampere characteristics 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 measuring CT ratio, can automatically calculate ratio value, and print data and calculation results.
8. When measuring volt-ampere characteristics, store and print 20 sets of current and voltage values and volt-ampere characteristic curves.
9. External Dimensions: Length×Width×Height = 470×340×260mm3
10. Weight: 21kg.
