HT instruments HT9022 - Manual (Page 24)

HT9022
EN - 22
3. When a voltage higher than or equal to 100V is detected, the
instrument gives an acoustic signal (buzzer) and the
message “
Meas ” is shown on the display. Do not press any
key and keep the test lead connected to L1 phase cable.
Mod Go
P h S e q
P H 1
M e a s
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4. Once phase L1 acquisition is complete, the displays shows
the screen here to the side. Disconnect the test lead from
phase L1 cable.
Mod Go
P h S e q
D i s c o n .
W a i t
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5. The instrument shows the screen here to the side, and waits
for the detection of the second sequence of phase L1.
Connect the test lead to phase L1 of the second sequence.
Mod Go
P h S e q
P H 2
W a i t
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WARNING
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 key F4 (Go) and starting from step 1 again.
6. When a voltage higher than or equal to 100V is detected, the
instrument gives an acoustic signal (buzzer) and the
message “Meas” is shown on the display. Do not press any
key and keep the test lead connected to L1 phase cable of
the second sequence.
Mod Go
P h S e q
P H 2
M e a s
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7. If there is concordance between the two phases, to which the
test lead has been connected, the instrument displays the
screen here to the side. Otherwise, it displays “123” or “132”.
To start a new measurement, press key F4 (Go).
Mod Go
P h S e q
1 1 -
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