AEMC pmr-1, Руководство пользователя

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10
Phase & Motor Rotation Tester Model PMR-1
CHAPTER 4
OPERATION
4.2 Phase Rotation Tester Operation
4.2.1 Pretest Procedure
1. Connect the “A” (black) and “B” (red) leads on the phase
rotation side of the meter to a known AC power source between
100 and 600V
AC
. Make sure that the “A” LED lights. If it does
not, refer to Chapter 5 of this manual and the discussion on
fuse replacement.
2. Connect the “C” (blue) and “B” (red) leads on the phase rotation
side of the meter to a known AC power source between 100
and 600V
AC
. Make sure that the “C” LED lights. If it does not,
refer to Chapter 5 of this manual and the discussion on fuse
replacement.
4.2.2 Operation
1. Connect the test leads to the 3-phase input terminals marked
A-B-C.
2. Connect the alligator clips to the terminals of the 3-phase
power source to be tested. Connecting order is optional.
3. Make sure that all three LEDs (A-B-C) for open phase check
are on. If all are on, there is no open phase power problem.
If LED “A” or “C” are out, verify that power is present using a
voltage tester or DMM.