Vanguard TRM-403

Connects to All Three Phases (One Winding) Simultaneously: One Test for the Primary, One Test for the Secondary
Provides Individual Delta or Wye (with No Neutral) Winding Resistance Values
Ideal for Measuring Winding Resistance of Transformers, Motors or Generators and Other Inductive Devices
Two Measurement Channels Provide a Quick and Stable Reading
Adjustable Output Current: Outputs 1-40A
Automatic Demagnetization of Winding
Automatic Discharge upon Completing the Test
Corrects Reading for Temperature if User Enters Values
Make-Before-Break Mode Provides a Dynamic Resistance Graph of the Load Tap Changer
Onboard LTC Controller Changes Taps from the Instrument Front Panel
RS-232, USB and Bluetooth Interface to Vanguard Transformer Winding Resistance Analyzer Software
Measures Resistance from 1µΩ to 2kΩ, also Suitable for Contact Resistance on Large Circuit Breakers and Other Substation Equipment
Onboard Printer for Immediate Results Documentation