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User Manual
PR400
Phase Rotation Tester
Introduction
Congratulations on your purchase of the Triplett PR400 Phase Rotation Tester. This handheld
instrument detects the phase rotation of three-phase systems. Color-coded test leads are
provided for connecting to the three mains phases of the system 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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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.
Use of instrument in a manner not specified by the manufacturer may impair safety
features/protection provided by the equipment.
Avoid working alone.
Inspect the test leads for damaged insulation or exposed metal. Check test lead continuity. Damaged
leads must be replaced. Do not use the phase Rotation indicator if it appears damaged.
Use care when working above 30V ac rms, 42V ac peak and 60V dc. Such voltages pose a shock
hazard.
When using the probes, keep fingers away from probe contacts. Keep fingers behind the finger guards on
the probes.
Measurements can be adversely affected by impedances of additional operating circuits connected
in parallel or by transient currents.
Verify operation prior to measuring hazardous voltages (voltages above 30V ac rms, 42V ac peak and
60V dc).
Do not use the phase Rotation indicator with any of the parts removed.
Do not use the phase Rotation indicator around explosive gas, vapor, or dust.
Do not use the meter in a wet environment.
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Nominal Voltage
40 to 600 VAC
Current pickup
1 mA
Nominal Test current
( per phase)
1 mA
Maximum Operating
Voltage
600 V
Operating
Temperature
32 to 104oF (0 to 40oC)
Type of protection
IP 40
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. L1, L2, and L3 indicators will illuminate one at a time, on the
meter’s LCD display, as each phase is connected.
4. The clockwise and counter-clockwise arrows with the left ‘L’ or right ‘R’
icons display the phase rotation direction of the device under test.
Note: The rotational arrow indicators illuminate even if one of the test
probes is connected to a neutral or ground conductor instead of one of
the mains phases.
Specifications
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Dimensions
(H x W x D): 5.1 x 2.7 x 1.3”(130 x 69 x 32mm)
Weight
4.6 oz (130g)
Approvals
CE (EU directives)
Safety
For indoor use and in accordance with the
requirements for double
insulation to IEC1010-1 (1995): EN61010-1 (1995)
Overvoltage Category CAT III-600V
Warranty Information
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. This warranty does not apply to any of our products which have been
repaired or altered by unauthorized persons in any way or purchased from unauthorized
distributors so as, in our sole judgment, to injure their stability or reliability, or which have
been subject to misuse, abuse, misapplication, negligence, accident or which have had the
serial numbers altered, defaced, or removed. Accessories, including batteries are not
covered by this warranty
Copyright © 2019 Triplett
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