Preparations For Use - Megger DLRO100E User Manual

Preparations
for
Use
lnitial instructions
I
Remove
instrument, power
lead
and pouch from the packing
box.
I
Open
the lid noting
position of the
IEC
60320 power inlet and
U5B
device
port
on
the left
panel
Test
terminals are
located
to the right of the
front
panel.
I
Read
the
safetY
warnings.
I
A quick
reference is
provided
in
the
instrument lid.
I
Keep
the
original packaging for
re-use.
Power lead
and battery charging
t
lf the
power
lead
supplied is
not
suitable
for
your AC connection, do
not
use
an adaptor. Always
use
a Megger
approved power
lead.
I
Use
the supplied AC lead ONLY'
I
Supply
voltage: 90
to 265 V
rms ac
at
50
/
60
Hz.
I
A red
LED
illuminates
when line power/mains
is
present.
I
The battery
will
charge
when
an
AC
source is
connected, except
when
a
test
is
in progress.
I
For
optimum battery life, charge
the battery after
each use. Full charge
duration
is
2.5 hours.
I
The battery must be charged between 0 'C
and 40 "C ambient temperature. lf the
battery detects
a
temperature outside this range
the battery symbol
will flash and charging
will
be prevented.
I
The battery should be recharged every
3 months if
the
instrument is
left
unused
for long periods. This may
take
up
to
30 minutes
to indicate normal charging.
I
lf
the battery has been replaced
or fails
to
recharge,
follow
instructions
in
'Battery
reset
enable' paragraph to
reset
the
battery charge
indicator.
I
lf the
battery fails
to
recharge
after
numerous attempts, contact
a
Megger approved service
centre
for
advice.
Functional verif ication
Simply
turning on
the
instrument at the test mode switch
will
initiate
a
start-up process
and the
display
will
respond.
The initialisation
screen
(right) shows the {irmware
version,
Calibration
The DLRO100 is
supplied
with
a
calibration certificate.
An
15O17025 (UKAS) Calibration Certificate
is
available
if
ordered
with the
instrument.
Storage
lnstruments should be
stored
within
its
temperature and humidity specifications.
lntermittent operation limits
The
DLRO100 is
a high-power instrument and,
as
such, can
generate significant heat.
To
prevent damage, the instrument
contains
internal thermal
proftction which
can disable
the test current if
excessive
temperature
rise
is
detected. ln this event, the thermometer
symbol
will
be displayed
on the screen.
lf this should occur,
switch the instrument
off and
allow it to cool before repeating the
test' lf
possible, do
not position
the
instrument
in direct sunlight.
7
DLRO100E, 100X
&
100H
-
1004
wwwme9ger.com