Features
- One-button automatic three-phase ratio measurement
- Automated transformer ratio measurement with error calculation
- Inner three-phase signal source for diverse ratio measurements
- Identifies transformer connection group label and polarity
- Automatic tracking of on-load tap-changer position
- Displays voltage oscillograms and phase relationships for analysis
- Reliable automatic protection under abnormal conditions
- Compact, lightweight design for fast and accurate measurements
- Stores and prints test results, exportable via USB
- 5-in (12.7 cm) touch screen, and calendar function
- Supports on-site record print with serial printer
Technical Specifications
| Parameters | Details |
| Variable ratio test range | 0.8～20000 |
| Test voltage | AC 12V, 24V, 40V, 80V, 160V (manual selection) |
| Variable ratio test accuracy | 0.1%（0.8-2000） |
| 0.2%（1000-5000） | |
| 0.3%（5000-20000） | |
| working voltage | AC 110～220V, 50/60Hz |
| Working temperature | 14℉ to 104℉ (-10℃ to 40℃) |
| ambient humidity | 10%-85% |
| Size (mm) | 10.63 in × 7.48 in× 2.76 in (270mm × 190mm × 70mm) |
| weight | 4.4 lb (2kg) |
