FLIR CM83, User Manual

Page: 32 / 52

5 Operation
Figure 5.6 Phase rotation
1. Set the function switch to the position.
2. Enter Phase rotation mode by pressing the button repeatedly until the
indicator is displayed.
3. Connect the red test lead to the presumed phase line 1 and the black test
lead to the presumed phase line 3.
4. One of the following results is displayed:
• OL V flashes if the voltage is >1000 V.
• Lo V flashes if the voltage is <30 V.
• outF flashes if the frequency is >65 Hz or <45 Hz.
• If normal, L1 is displayed for about 3 seconds. Then L2 is displayed and
the meter beeps twice.
5. Move the red test lead to the presumed phase line 2 immediately, before
"L2" extinguishes from the display.
#T559825; r. AI/33557/33557; en-US 26