CT-PT Transformer Volt-Ampere Characteristic Tester
Technical Specifications
3.1 Volt-Ampere Characteristic Technical Specifications:
|
Input Voltage |
Output Range |
Measurement Range |
Measurement Accuracy |
|
|
Main Unit |
220V |
0~550V, 0~20A |
0~550V, 0~20A |
< =0.5% |
|
Main Unit |
380V |
0~950V, 0~20A |
0~950V, 0~20A |
< =0.5% |
|
External Step-up Transformer |
220V |
0~2000V, 0~3A |
0~2000V, 0~3A |
< =0.5% |
|
External Voltage Regulator |
0~1000V, 0~30A |
< =0.5% |
|
Operating Power Supply |
AC 220V±10%, 50/60Hz |
Operating Ambient Temperature |
-10℃ - +50℃ |
|
Measurement Power Supply |
AC 220V or AC 380V |
Dimensions, Weight |
420×300×270mm3, 34.5Kg |
3.2 Current Transformer Measurement Range:
Ratio: 5A/5A~25000A/5A (5A/1A~5000A/1A).
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 wiring method, 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 and current boosting, plotting volt-ampere characteristic curves, CT-PT Transformer Volt-Ampere Characteristic Tester calculates ratio results, eliminating tedious manual voltage adjustment, manual recording, curve plotting, and improving work efficiency.
4. Can simulate and test transformer angle error and ratio error without external standard transformer and voltage/current source.
5. Can test CT/PT volt-ampere characteristics, ratio, polarity, 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, 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 input voltage recognition.
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 ratio test is 240A
For volt-ampere characteristic test 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 ratio, automatically calculates ratio value, and prints data and calculation results.
8. When testing volt-ampere characteristics, stores and prints 20 sets of current and voltage values and volt-ampere characteristic curves.
9. External dimensions: Length×Width×Height = 470×340×260mm3
10. Weight: 21kg.



