Vanguard TRM-403

Vanguard TRM-403

Three Phase Winding Resistance Meter with Demagnetization


  • Performs three phase testing on a transformer without the need to switch cables
  • Can provide individual Delta winding resistance values
  • Can provide individual Wye (with no neutral) winding resistance values
  • Demagnetize transformer after test
  • Selectable test current from 1A to 40A
  • Computer control via RS-232C, USB, or Bluetooth interface
  • Built-in 2.5" wide thermal printer
  • Available to rent, buy used or buy new

Product Data Sheet (PDF)

We can fulfill equipment requests up to 7 p.m. CT the day before. Fill out the form below or call us at 630.748.8900.