Using current bridge of transformation ratio to measure transformation ratio is an old and tedious method. Because its measurable scope narrow, this method has been not fit for demand of modern Test technique, rapid and efficient. So our company manufactures the new full-automatic instrument that measures transformation ratio, adopting the modern electronic technique. It is small, light, precise, reliable and friendly. It uses big screen to show words and uses menu to operate. The group of transformation ratio can be measured just one time.

Our instrument is the ideal test instrument of the electric power industry department.