CT VA Characteristic Tester
Darui Electric recommends：
The CT VA Characteristic Tester is a fully automated PT and CT characteristic testing instrument. Tests include：
CT volt-ampere characteristic test, PT volt-ampere characteristic test, CT polarity test, PT polarity test, CT ratio polarity test and PT ratio polarity test, automatic calculation of CT arbitrary point error curve, CT/PT ratio error and other result parameters.
Main Features：
The CT volt-ampere characteristic tester is a multifunctional field test instrument specifically designed for testing current transformers: volt-ampere characteristics, ratio, polarity, error curves, knee point calculation and secondary circuit inspection. During testing, simply set the test voltage/current values, and the equipment automatically ramps up voltage/current, quickly displaying the CT volt-ampere characteristic curves or ratio, polarity and other test results. It supports data storage and on-site printing, eliminating the tedious manual voltage adjustment, recording and curve plotting. Test data can also be uploaded to a computer via USB interface for editing, saving or printing. Easy to operate, improving work efficiency, it is a cost-effective high-tech product.
I. Safe and Reliable
Pioneering MBC power control, single-phase AC220V input, shared port for working and power supply.
Uses power compensation system; sampled values require no software correction.
Note: Other products use separate inputs requiring 3-phase AC380V, posing electric shock risks.
II. Compliant with National Maintenance Regulations
All device power outputs are real voltage and current values with standard sine waveform at 50-60Hz; truly and effectively simulates actual transformer operating conditions in compliance with national maintenance regulations.
III. Large Output Capacity
With standalone 220V input: max voltage output 0-1000V, max current output 0-600A, ideal for field maintenance.
4. Full Functions:
Can test CT VA characteristics, ratio, polarity, 5% and 10% error curves, primary current injection and CT demagnetization, easily achieving multi-function in one device.
5. Simple Wiring:
Single power input port; only 6 test ports to complete all CT test items. Safe and simple wiring ideal for field use, effectively reducing labor intensity and improving work efficiency.
6. Fast Printing:
Thermal printer with auto data selection for typical reports, perfect for field data comparison.
7. Large Capacity FLASH Storage:Stores 1000 test data sets, retains 10 years after power-off.
8. USB Interface:Easy connection to modern laptops.
9. Compact & Lightweight: Convenient for field use.
Main Test Functions:
● CT volt-ampere characteristic (automatic knee point calculation)
● CT Ratio
● CT Polarity
● CT 10% Error Curve
● CT Secondary Loop
● CT Secondary AC Withstand Voltage
● CT Auto Demagnetization
