5.
5.
5.
5. MAINTENANCE
MAINTENANCE
MAINTENANCE
MAINTENANCE
This
section
provides
basic
maintenance
information,
including fuse and battery replacement instructions.
Do not attempt to repair or service your Meter unless you are
qualified to do so and have the relevant calibration,
performance test, and service information.
5.1
5.1
5.1
5.1 General
General
General
General Maintenance
Maintenance
Maintenance
Maintenance
To
To
To
To avoid
avoid
avoid
avoid electrical
electrical
electrical
electrical shock
shock
shock
shock or
or
or
or damage
damage
damage
damage to
to
to
to the
the
the
the meter,
meter,
meter,
meter,
do
do
do
do not
not
not
not get
get
get
get water
water
water
water inside
inside
inside
inside the
the
the
the case.
case.
case.
case. Remove
Remove
Remove
Remove the
the
the
the test
test
test
test
leads
leads
leads
leads and
and
and
and any
any
any
any input
input
input
input signals
signals
signals
signals before
before
before
before opening
opening
opening
opening the
the
the
the
case
case
case
case
Periodically wipe the case with a damp cloth and mild
detergent. Do not use abrasives or solvents.
Dirt or moisture in the terminals can affect readings.
To clean the terminals:
ℕ
Turn the meter off and remove all test leads.
ℕ
Shake out any dirt that may be in the terminals.
ℕ
Soak a new swab with a cleaning and oiling agent (such as
WD-40).
ℕ
Work the swab around in each terminal. The oiling agent
insulates the terminals from moisture-related contamination.
5.2
5.2
5.2
5.2 Fuse
Fuse
Fuse
Fuse replacement
replacement
replacement
replacement
Before
Before
Before
Before replacing
replacing
replacing
replacing the
the
the
the fuse,
fuse,
fuse,
fuse, disconnect
disconnect
disconnect
disconnect test
test
test
test leads
leads
leads
leads
and/or
and/or
and/or
and/or any
any
any
any connectors
connectors
connectors
connectors from
from
from
from any
any
any
any circuit
circuit
circuit
circuit under
under
under
under test.
test.
test.
test.
To
To
To
To prevent
prevent
prevent
prevent damage
damage
damage
damage or
or
or
or injury,
injury,
injury,
injury, replace
replace
replace
replace the
the
the
the fuse
fuse
fuse
fuse only
only
only
only
with
with
with
with specified
specified
specified
specified ratings.
ratings.
ratings.
ratings.
To replace the Meter's fuse (see Figure 2.):
1. Set rotary switch to the OFF position.
29
2. Disconnect test leads and/or any connectors from the
terminals.
3. Use a screwdriver to unscrew the two screws secured on
the battery cover.
4. Take out the battery cover from the meter.
5. Remove the fuse by gently prying one end loose, then
sliding the fuse out of its bracket.
6. Install the replacement fuses only with specified ratings:
F 10A/250V
∅
6.3
×
32
7. Rejoin the battery cover and secure by the two screws.
5.
5.
5.
5.3
3
3
3 Battery
Battery
Battery
Battery replacement
replacement
replacement
replacement
To
To
To
To avoid
avoid
avoid
avoid false
false
false
false readings,
readings,
readings,
readings, which
which
which
which could
could
could
could lead
lead
lead
lead to
to
to
to
possible
possible
possible
possible electric
electric
electric
electric shock
shock
shock
shock or
or
or
or personal
personal
personal
personal injury,
injury,
injury,
injury, replace
replace
replace
replace
the
the
the
the battery
battery
battery
battery as
as
as
as soon
soon
soon
soon as
as
as
as the
the
the
the battery
battery
battery
battery indicator
indicator
indicator
indicator ((((
))))
appears.
appears.
appears.
appears.
Before
Before
Before
Before replacing
replacing
replacing
replacing the
the
the
the battery,
battery,
battery,
battery, disconnect
disconnect
disconnect
disconnect test
test
test
test
leads
leads
leads
leads and/or
and/or
and/or
and/or any
any
any
any connectors
connectors
connectors
connectors from
from
from
from any
any
any
any circuit
circuit
circuit
circuit
under
under
under
under test,
test,
test,
test, turn
turn
turn
turn the
the
the
the meter
meter
meter
meter off
off
off
off and
and
and
and remove
remove
remove
remove test
test
test
test
leads
leads
leads
leads from
from
from
from the
the
the
the input
input
input
input terminals.
terminals.
terminals.
terminals.
To replace the battery (see Figure 2.):
1. Set rotary switch to the OFF position.
2. Disconnect test leads and/or any connectors from the
terminals.
3. Use a screwdriver to unscrew the two screws secured on
the battery cover.
4. Take out the battery cover from the meter.
5. Remove the used batteries.
6. Replace with three new 1.5V batteries (AAA).
7. Rejoin the battery cover and secure by the two screws.
30