FULLTEST
3
EN - 52
5.10.2. PHASE SEQUENCE MEASUREMENT
Measured quantities and display ranges:
Phase sequence
1.2.3. or 2.1.3.
Phase-to-phase voltage U
L1/2
360
460 V
Phase-to-phase voltage U
L2/3
360
460 V
Phase-to-phase voltage U
L3/1
360
460 V
1)
Select the PHASE
SEQ
function by pressing the
FUNC
hard key first.
2)
Connect the test leads to tested socket/wiring according to the figure below.
Figure 40: Connection of test leads in PHASE SEQUENCE measurement
3)
Carry out the measurement by pressing the
START
button. The measurement will be done and
test result will be displayed in green colour equipped with green
symbol and with beep-beep
sound if it is in accordance with referential direction (1.2.3.). If the result is not in accordance with
referential direction (2.1.3.) then it will be displayed in red colour equipped with red
symbol and
with longer beep sound. See the display outlook with test result on the figure 38.
4)
Save the test result by pressing the
SAVE
hard key twice, for further instructions see the
“MEMORIZING EXAMPLE” section.
5)
Press the EXIT hard key to clear displayed result, actual input voltages U
L1/2
, U
L2/3
, U
L3/1
will start
to be displayed again.
The following specific information can be shown on the display during the measurement:
Information displayed
Description
1.1.X
At least one of measured phases was disconnected during
the measurement.
Connect all three phases and repeat the measurement.
