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HT9020
EN - 18
3. When a voltage higher than or equal to 100V is detected, the
instrument emits a sound signal (buzzer) and the message
“
Meas
” is displayed. Do not press any key and keep the test
lead connected to L1 phase cable of the first system
Mod
P h S e q
P H 1
Meas
4. Once the voltage of L1 phase acquisition is complete, the
instrument stops the sound signal and the “
Discon.
”
Message is displayed. Disconnect the test lead from L1
phase of the first system.
Mod
P h S e q
D i s c o n .
Wait
5. The message “
PH2
“ is displayed and the instrument waits
for the detection of L1 phase of the second system. Connect
the test lead to L1 phase of the second system.
Mod
P h S e q
P H 2
Wait
CAUTION
If more than 3 seconds elapse before detecting the phase L1 of the second
sequence, the instrument displays the message “
Time Out
”. It is necessary
to repeat the measuring cycle from the beginning, by pressing
F3
(
New
) key
and starting again from step 1.
6. When a voltage higher than or equal to 100V is detected, the
instrument emits a sound signal (buzzer) and the message
“
Meas
” is displayed. Do not press any key and keep the test
lead connected to L1 phase cable of the second system
Mod
P h S e q
P H 2
Meas
7. If there is correct conformity between the two phases, to
which the test lead has been connected, the message “
11-
“
is displayed. If not, the messages “
123
” or “
132
” are
displayed.
To start a new measurement, press
F3
(
New
).
Mod
New
P h S e q
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