HT instruments HT9022 - Manual (Page 45)

HT9022
EN - 43
5.8. POSITION “INRUSH A ”: INRUSH CURRENT MEASUREMENT
WARNING
• The maximum measurable DC or AC+DC current is 1000A. Do not
measure currents exceeding the limits given in this manual. Exceeding
these limits could result in electrical shocks to the user and damage to the
instrument.
• We recommend holding the clamp respecting the safety area created by
the hand protection (see Fig. 3).
• Currents <3A are zeroed.
By positioning the selector switch to “InRush A ”, the screen to
the side will appear.
The display shows the current settings for recording inrush
currents (see par. 5.2.4).
Mod Zero Run Mem
50Hz 01/10
10 A
Fix 15A
1/1
19/01-17:00:00
Fig. 14: inrush current measurement
Press key F1 (Mod) to open the drop-down menu shown on the
screen to the side. At each subsequent pressure of key F1, the
cursor will scroll through the available items, as follows:
• 50Hz: 50Hz inrush current measurement;
• 60Hz: 60Hz inrush current measurement;
• 400Hz: 400Hz inrush current measurement;
• DC: DC inrush current measurement;
Mod Zero Run OK
50Hz 01/10
10 A
Fix 15A
1/1
19/01-17:00:00
• Help: it displays the connection between instrument and
system;
• Esc: it closes the drop-down menu.
Select the desired mode and press key F4 (OK) to confirm.
50Hz
60Hz
400Hz
DC
Help
Esc