The utility model provides a signal pickup assembly for finding solution transformer winding material resistance temperature coefficient. It includes voltage signal detection circuit, electric current signal?detection?circuit, temperature?measurement?circuit, AD converting circuit and microcontroller. The utility model provides a signal pickup assembly for finding solution transformer winding material resistance temperature coefficient's beneficial effect: can carry out nondestructive test to the transformer winding material, can conveniently transport the dimension personnel like this and investigate the transformer that adopts material inferior in transformer detection, provide important technical support for the networking of distribution network transformer detects, simultaneously also for the mechanism of permitting the entrance of setting up the distribution network transformer provides corresponding criterion, also for just in the early accident potential that finds of operating transformer, the safe and reliable who guarantees the electric wire netting moves and provides important reference, has great meaning and economic benefits.