The Testyle TE2020 Automatic Turns Ratio Tester User Manual provides setup, operation, safety, and maintenance instructions for measuring transformer ratios.
The TE2020 Automatic Turns Ratio Tester, manufactured by Testyle, is a portable instrument for fully automatic measurement of turns ratio, polarity, and group of single‑phase, three‑phase transformers, voltage transformers and tapping transformers. The manual explains the device’s applications, key features such as three‑phase testing, fast measurement speed, and built‑in protection functions.
The guide covers safety precautions, power requirements, wiring diagrams, panel layout, basic operation steps, data storage, and maintenance procedures. It also lists accessories, transportation and storage guidelines, and after‑sale service information, ensuring users can safely and efficiently operate the tester in the field. This manual is written in Chinese.
| Turns ratio range | 1 – 2200 |
|---|---|
| Group range | 0 – 11 |
| Measurement accuracy | ±(0.2 % × reading + 1 digit) |
| Operating temperature | -10 °C to 40 °C |
| Relative humidity | ≤ 80 % |
| Power supply voltage | AC 220 V ± 10 % |
| Power supply frequency | 50 Hz ± 1 Hz |
| Dimensions (L×W×H) | 350 mm × 280 mm × 160 mm |
| Weight | 4.5 kg (without accessories) |
Open the fuse box located under the power socket, pull it up with a flat‑head screwdriver and replace the 3 A fuse.
The instrument comes with a 24‑month warranty covering manufacturing defects.