Transformer Turns Ratio Testers
TTRT 01B S3 - Amperis sl
The TTRT-01B S3 is Amperis’ fourth generation, micro-processor based, single phase, and automatic transformer turns-ratio tester with rechargeable-battery powered. The TTRT-01B S3 uses the IEEE C57.12.90 measuring method to determine the transformer turns-ratio.