Amprobe PRM-2 Phase-Sequence - Manual (Page 14)

14
Attention: The LED marked as PHASE LOSS will most likely be illuminated during the motor
test. The lamp indicates that the voltage is below 20Vac.
5.2 Features (PRM-3)
•
Indication of phase sequence in the wide range of power network voltages.
•
Phase voltage loss or sag: the tester indicates phase voltage loss or sag by illuminating the LED
labeled PHASE LOSS.
•
Indicates three-phase motor rotation.
•
Low Battery Indication: the tester indicates when its power supply battery should be replaced by
illuminating its LOW BATTERY LED.
5.3 Cleaning and Maintenance (PRM-3)
The tester’s casing can be cleaned with soft, damp flannel using commonly available detergents.
Any solvents or cleaners that could scratch or blemish the housing (such as powders, pastes) should
not be used.