High Accuracy CT PT Analyzer for Protective Current Transformer and Voltage Transformer
Product Overview
MY-103 is a full automatic PT, CT characteristics tester. The instrument can complete tests including: CT Volt-ampere characteristics test, PT Volt-ampere characteristics test, CT Polarity test, PT Polarity test, CT variable ratio Polarity test, PT variable ratio Polarity test, Automatic computing CT arbitrary point error curve, CT/PT variable ratio.
Key Features
- Full Function: Comprehensive CT and PT testing capabilities
- Output Keeping: Boost function for measurement, detection, and secondary AC withstand voltage test
- True Effective Value Sampling: All voltage and current signals are true effective values
- Single Power Supply: Easy operation with AC220V input only
- U Disk Save: Test data transmission to PC via USB
- Date and Clock: Built-in system time for test record tracking
- No Contact Test: High safety with fully computerized operation
- Large Output Capacity: AC voltage output up to 2000V, current output up to 25A short time
- Large 8-inch Color Touch Screen: High-resolution 1024*768 LCD with Chinese graphical interface
- Touch Screen Operation: Advanced touch technology for simple, convenient operation
- Ultra Large Capacity Data Storage: 50 groups of test data storage with U disk backup
CT Test Functions
- Volt ampere characteristic curve
- Automatic calculation of curve inflection point
- 5% and 10% error curve
- Ratio and polarity
- Differential and angular difference measurement
- Secondary side circuit load testing
- Secondary winding AC withstand voltage
- Secondary DC resistance test
- Flow test
PT Test Functions
- Volt ampere characteristic curve
- Automatic calculation of curve inflection point
- 5% and 10% error curve
- Ratio and polarity
- Difference, angular difference measurement
- Secondary side circuit load testing
- Secondary winding AC withstand voltage
- Secondary DC resistance test
Technical Parameters
| Parameter |
Range/Value |
Resolution |
| Power input voltage |
AC 220 V |
- |
| CT volt ampere characteristic test |
0~2500 V, 0~20A |
1mV, 1mA |
| CT variable ratio error, angle error test |
0~1000A (primary), 0~5A (secondary) |
1mA |
| CT secondary loop load |
0~5A, 0~10Ω |
1mA, 0.001Ω |
| PT Volt-ampere characteristic test |
0~200V, 0~10A |
1mV, 1mA |
| PT variable ratio, ratio angle error test |
0~2500V (primary), 100V/57.7V/100/3V (secondary) |
1mV |
| Accuracy class - Volt ampere characteristic test |
< 0.5% |
- |
| Accuracy class - 5% and 10% error curve |
< 1% |
- |
| Working environment temperature |
-10℃ - +50℃ |
- |
Product Images