Amprobe PRM-4 Phase-Sequence-Motor-Rotation-Tester User Manual
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SyMboLS USEd IN ThIS MANUAL
�
Caution! Refer to the
explanation in this
Manual
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AC – Alternating Current
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Caution! Risk of electric
shock
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dC – direct Current
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earth (ground)
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Canadian Standards
Association
�
double insulation or
Reinforced insulation
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Complies with european
directives
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do not dispose of this
product as unsorted
municipal waste.
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Conforms to relevant
Australian standards.
INTRodUCTIoN
The tester provides three functions in one unit, including open phase,
phase sequence and motor rotation indication. This tester is ideal for
installing conveyor lines, pump systems and interconnected drivers.
The PRM-4 is two measurement devices. one half measures the phase
sequence of a 3-wire system using the power of the system under
test. Using lamp indicators, it will indicate the 3-phase sequence or
it will indicate an open phase situation. The other half of the PRM-4
measures 3-phase motor rotation on an unpowered motor using the
PRM-4’s internal 9 volt battery. The unit will indicate whether the
motor shaft has clockwise or counter-clockwise rotation.
features:
• identifies 3-phase sequence and open phase check
• Motor shaft rotation
• Battery operated
• Meets en61010 safety requirements
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Caution
Read all Safety Information before using this tester.