Triplett PR450 User Manual
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Triplett PR450 User Manual

Motor and phase rotation tester
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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

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Summary of Contents for Triplett PR450

  • Page 1 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.

  • Page 2: Meter Description

    Safety Procedures To avoid possible electric shock or fire, observe the following:  Read the following information carefully before using or servicing the instrument.   Adhere to local and national safety codes.   Individual protective equipment must be used to prevent shock and injury. ...

  • Page 3: Operation

    Operation Determine Phase Rotation Direction 1. Connect the supplied color-coded test leads to the meter’s test lead input jacks at the top of the meter. 2. Connect the test probes to the three mains phases for the system under test. 3.

  • Page 4: Battery Replacement

    Battery replacement The meter uses a 9V battery (supplied) as a power source. If the green LED does not light when the ON/OFF button is pressed, replace the battery. Place the meter on a clean, flat, non-abrasive surface. Loosen the rear bottom Phillips head screw to access the battery compartment.
  • Page 5 Triplett / Jewell Instruments extends the following warranty to the original purchaser of these goods for use. Triplett warrants to the original purchaser for use that the products sold by it will be free from defects in workmanship and material for a period of (1) one year from the date of purchase.

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