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1?Test range: Variable ratio -0.9 to 10000 degrees -0 to 360 degrees
2. Ratio accuracy: ± 0.1%+2 words (0.9-500)
± 0.2%+2 words (501-2000)
± 0.5%+2 words (2001-10000)
3. Angle accuracy: ± 0.2 °
4. Output voltage: automatically adjusted according to load
5. Resolution: Ratio - minimum 0.0001, angle -0.01 °
6. Working power supply: AC220V ± 10% 50 ± 1Hz
7. Environmental temperature: -10 ?~40 ?
8. Relative humidity: = 85%, no condensation
9. External dimensions; Host: 360 * 290 * 170 (mm) Cable box: 360 * 290 * 170 (mm)
10. Weight: 5KG for the main unit, Box: 5.6KG
11. Test line length: standard 13 meters length can be customized
link:https://www.transformer-tester.com/transformer-tester/transformer-turns-ratio-tester/three-phase-transformer-turn-ratio-tester.html
HZBB-10A Transformer Turns Ratio Tester