TRM Series Winding Resistance Meters are designed for field testing as well as for factory testing of large rotating machines & transformers up to 1000MVA, 765kV class under live switchyard conditions. DC Winding Resistance values of highly inductive objects like transformers, generators, motor etc. are directly displayed. A backlit LCD with a user-friendly menu sets up the instrument for the test. These meters are protected against the back-emf offered by large inductive windings.

SCOPE’s Single Phase (TTRM 101 / TTRM 102) and Three Phase (TTRM 301 / TTRM 302), Transformer Turns Ratio Meters are rugged yet light weight and highly reliable instruments to measure turns ratio of transformers in live switchyards up to 765kV.TTRM is equally suitable for use on manufacturing shop floor and test laboratories. It can be used for testing of single / three phase power transformers (star or delta connected, with or without neutral), CTs and PTs.