User Manual
PR450
Motor and Phase Rotation Tester
Introduction
Congratulations on your purchase of the Triplett PR450 Motor and Phase Rotation Tester. This
handheld instrument detects the rotational field of three-phase systems and determines motor-
rotation direction. Color-coded test leads are provided for connecting to the system or motor
under test.
Safety
International Safety Symbols
•
Caution ! Refer to the explanation in this Manual
Caution ! Risk of electric shock
Earth (Ground)
Double Insulation or Reinforced insulation
AC, Alternating Current or Voltage
DC, Direct Current or Voltage
