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PSMR1
INSTRUCTION MANUAL
Introduction
All the information you need in one device. Verify correct wiring to
avoid damage.
Use the PSMR1 to check supply line phase orientation for devices such
as scroll compressors or motors. Works on 45-70 Hz and on voltages
between 100 and 600 VAC. Five indicators give you information about
open phases, and indicate the sequence of the three lines. Use the
motor rotation tester side of the meter to verify the rotation direction
of the motor shaft.
Note: Follow all warnings to ensure safe operations.
Safety Notes
• Read the following safety information carefully before
attempting to operate or service the meter.
• Use the meter only as specified in this manual; otherwise
the protection provided by the meter may be impaired.
• Rated environmental conditions:
1. Indoor use.
2. Installation Category III.
3. Pollution Degree 2.
4. Altitude up to 6560 feet (2000 meters).
5. Relative humidity 80% Max.
6. Ambient temperature 32 - 104˚F (0 - 40˚C).
• Observe the international electrical symbols listed below:
Meter is protected throughout by double insulation or
reinforced insulation.
WARNING! Risk of electric shock.
CAUTION! Refer to this manual before using the meter.
Alternating current.
Features
• Three functions in one unit including open phase, phase sequence
and motor rotation indication.
• This model is ideal for installing conveyor lines, pump systems
and interconnected drivers.
• Identifies 3-phase sequence and open phase check.
• Battery operated.
• Meets EN61010-1 safety requirements.
• Complete with three large alligator clips.
Descriptions
1. Phase rotation input terminal
2. Open phase indicator
3. Phase rotation indicator
4. Motor tester power switch
5. Motor tester power indicator
6. Motor rotation indicator
7. Motor rotation input terminal
Measuring Methods
Operations 3 phase rotation tester:
1. Connect the test lead to 3-phase input terminals by R-S-T.
2. Connect color alligator clips to the terminals of a 3-phase
power source. Connecting order may be optional.
3. Make sure that all of the three lamps for open phase check
are on. If so, there is no open phase. When any of the three
lamps is not on, there is open phase.
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PSMR1-MAN P. 1
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