HT instruments MACROTEST G3 - Manual (Page 73)

MACROTESTG3 - COMBIG3
EN - 72
1. Select the option “50Hz or 60Hz” and the reference
Phase-Neutral or Phase-Phase voltage in the general
settings of the instrument (see § 5.1.3). Touch the
icon and then the icon. The screen to the side
appears on the display. Touch the lower left icon to set
the type of measurement. The following screen appears
on the display
2. Move the second slide bar reference and select the
type of measurement between the options: L-L (Phase-
Phase measurement) or L-N (Phase-Neutral
measurement).
Move the third slide bar reference and select the
icon to carry out measurement with the optional
accessory IMP57 (see § 6.4.9). Move the first slide bar
reference thus selecting options:
  Impedance measurement performed with the
instrument only. With this option the icon “ ” is
shown on the display
  Possibility for the operator to manually
set the Offset Z1 impedance without carrying out
the first measurement. With this option the icon
“
” is shown on the display and the following
screen appears on the display
3.
Touch the icon to zero the value in the “ ” field and
use the virtual keyboard to set the value of the Offset
Z1 impedance within the range 0.000
 to 9999.
Confirm the selection and go back to the previous
screen. Touch the second lower icon and set the value
of the rated current of the protection device on the main
line being tested. The following screen appears on the
display
4. Touch the icon to zero the value in “A” field and use
the virtual keyboard to set the value of rated current of
protection device in the range 1A to 9999A. Confirm
selection and go back to the previous screen.
Touch the third lower icon and set the maximum
allowed limit value of voltage drop (
V%) for the main
line being tested. The following screen appears on the
display.