TR-Spy
Mark ll
Fully Automatic Three Phase Transformer Turns Ratiometer
TR-
Jr
A fully automatic, precision Single Phase Transformer Turns Ratiometer.
T-Rex
A fully automatic, precision Three phase Voltage Vector measuring
option. (Measures phase relationship of the winding while three-phase
voltage is applied. Measures the angular relationship of transformer
phases. Especially useful in phase relationships other than 30 degree
and on zigzag transformers.
TR-1
& TR-1P
Battery operated Single Phase Ratio Meter.