Owner manual

45
12. PHASE ROTATION TESTS
1. Operate the Power button and turn on the instrument. Turn the rotary switch and
select the PHASE ROTAION function.
2. Insert the Test Leads into the instrument. (Fig.43)
3. Connect each test leads to a circuit. (Fig.44)
4. Results are displayed as follows.
● When a message “No 3-phase system” or “---” is displayed, the circuit may not be a
3-phase system or a wrong conn
ection may have been made. Check the circuit and
the connection.
● Presence of Harmonics in measurement voltages, such as an inverter power supply,
may influence the measured results.
Fig.43
L1
L3
L2
Fig.44
Correct phase sequence
Reversed phase sequence
64.giF 54.giF