Circuit Breaker Analyzer with 12.1-Inch Touch Screen WUHAN PRIMARY TESTER TECH&SCIENCE CO., LTD. Base Info Model NO.:HYGK-307Temperature:-10~40°cHumidity:<80%Trademark:HuayingTransport Package:Wooden CasesOrigin:China (Mainland) Description Pre:High Quality Circuit Breaker Analyzer Test Equipment Next:High Voltage Circuit Breaker Tester