The Vanguard EZCT is a microprocessor-based, current-transformer test set. This rugged and portable test set can perform the current transfromer (CT) excitation, CT current-ratio, and winding polarity tests. Current transformers can be tested in their field-mounted configuration, eliminating the need to remove bushings or current transformers from the host equipment
| Input power |
100 - 200 VAC or 200 - 240 VAC (factory pre-set), 50/60 Hz |
| Measurement method |
ANSI/IEEE C57.12.90, IEC 60044-1 and ANSI/IEEE C57.13.1 |
| Output test voltages |
0 - 50 VAC @ 2A max; 0 - 200 VAC @ 2A max; 0 - 1200 VAC @ 1.5A (5 min on, 10 min off) |
| Voltage reading range |
0 - 1250 VAC; Acccuracy: ±1.0% of reading, ±0.5 volt |
| Current reading range |
0 - 10A; Accuracy: ±1.0% of reading, ±0.5 volt |
| Current-ratio range |
0.8 - 99: ±0.5%, 100 - 999:±1.0%, 1,000 - 5,000: ±2% |
| Phase angle measurement |
0 - 360 degrees; Accuracy: ±1.0 degree |
| Display |
Back-lit LCD Screen (20 characters by 4 lines); viewable in bright sunlight and low-light levels |
| Printer |
Built-in 4.5-inch wide thermal printer |
| Computer interfaces |
One RS-232C port, One USB port |
| PC software |
Windows XP/Vista-based software is included with purchase price |
| Internal test record storage |
Stores 128 test records. Each test record may contain up to 10 excitation and ration data sets |
| Internal test header storage |
Stores 10 test header records |
| Safety |
Designed to meet UL 61010A-1 and CAN/CSA C22.2 No. 1010.1-92 standards |