In the production, user handover, and maintenance testing of power transformers, the transformer ratio test is a mandatory item. This effectively supervises the quality of transformer products during factory delivery and use, preventing inter-turn short circuits, open circuits, connection errors, and internal faults or contact failures in the tap changer.



      The GHBC-I fully automatic ratio and group tester developed and produced by our company has been improved based on the original model according to users' on-site requirements, making operation more convenient, with complete functions, stable and reliable data, and significantly faster testing speed. It meets the needs of ratio testing for various large, medium, and small transformers.





         



Product aliases: Ratio tester, Ratio and group tester, Fully automatic ratio and group tester, Transformer ratio and group tester, Automatic ratio and group tester



 



1. Chinese menu prompts, simple and convenient operation.



2. Wide ratio measurement range: 1-9999.9



3. Powerful functions: It can perform both single-phase measurement and automatic testing of three-phase windings. The connection group can be selected arbitrarily, and parameters such as ratio, error, and connection group for AB, BC, and CA phases can be measured in one operation.



4. Fast measurement speed.



5. After one measurement, the test power supply is automatically cut off.



6. Settings and measurement results are automatically saved, and previous data can be viewed.



7. For testing on-load tap-changing transformers, only one ratio input is required.



8. Portable and suitable for field operations.