Thanks for your trust, we got order from Mexico customer of WXB-II Transformer TTR Meter. And the instrument was shipped yesterday. WXB-II Transformer TTR Meter is a new, fully automatic tester that measures transformer ratio of single phase and three transformer using modern electronic techniques and does not require any manual "null" balancing. This device is micro controller operated user friendly, accurate, small, lightweight and reliable tester. And the test results can be printed on build-in printer.