Megger MFT1741 - 3 Lo Connection Options; Live Circuit Warning Screen; Loop Impedance Test Start Screen

User Guide Addendum - MFT1741-MFT1845 www.megger.com
6
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The display will show , which indicates the suitability
for use on circuits protected by a Type AC or a Type A RCD, or
RCBO.
If the RCD on the circuit is a Type B, press and hold
until
the display shows
(Type B RCD).
Note: If unsure of the RCD type use Type B setting.
3. Press TEST. The display will show the start of a Loop
Impedance con󰘰dence test, followed by an initial value of
loop impedance:
Figure 3.
3Lo Connection Options
Figure 4. Live Circuit
Warning Screen
L
N
E
MCB RCD
g
I
CAT IV
300V
12-15V
1.2A
RCD
g
L
N
E
MCB
I
CAT IV
300V
12-15V
1.2A
> then >
Figure 5. Loop Impedance Test Start Screen