Instruction manual

5.
5.
5.
5.MAINTENANCE
M AINTENANCE
MAINTENANCE
MAINTENANCE
Thissectionprovidesbasicmaintenanceinformation,
includingfuseandbatteryreplacementinstructions.
DonotattempttorepairorserviceyourMeterunlessyouare
qualifiedtodosoandhavetherelevantcalibration,
performancetest,andserviceinformation.
5.1
5.1
5.1
5.1General
G eneral
General
GeneralMaintenance
M aintenance
Maintenance
Maintenance
To
To
To
Toavoid
avoid
avoid
avoidelectrical
electrical
electrical
electricalshock
shock
shock
shockor
or
or
ordamage
damage
damage
damageto
to
to
tothe
the
the
themeter,
meter,
meter,
meter,
do
do
do
donot
not
not
notget
get
get
getwater
water
water
waterinside
inside
inside
insidethe
the
the
thecase.
case.
case.
case.Remove
Remove
Remove
Removethe
the
the
thetest
test
test
test
leads
leads
leads
leadsand
and
and
andany
any
any
anyinput
input
input
inputsignals
signals
signals
signalsbefore
before
before
beforeopening
opening
opening
openingthe
the
the
the
case
case
case
case
Periodicallywipethecasewithadampclothandmild
detergent.Donotuseabrasivesorsolvents.
Dirtormoistureintheterminalscanaffectreadings.
To cleantheterminals:
ℕTurnthemeteroffandremovealltestleads.
ℕ
Shakeoutanydirtthatmaybeintheterminals.
ℕSoakanewswabwithacleaningandoilingagent(suchas
WD-40).
ℕ
Worktheswabaroundineachterminal.Theoilingagent
insulatestheterminalsfrommoisture-relatedcontamination.
5.2
5.2
5.2
5.2Fuse
F use
Fuse
Fusereplacement
r eplacement
replacement
replacement
Before
Before
Before
Beforereplacing
replacing
replacing
replacingthe
the
the
thefuse,
fuse,
fuse,
fuse,disconnect
disconnect
disconnect
disconnecttest
test
test
testleads
leads
leads
leads
and/or
and/or
and/or
and/orany
any
any
anyconnectors
connectors
connectors
connectorsfrom
from
from
fromany
any
any
anycircuit
circuit
circuit
circuitunder
under
under
undertest.
test.
test.
test.
To
To
To
Toprevent
prevent
prevent
preventdamage
damage
damage
damageor
or
or
orinjury,
injury,
injury,
injury,replace
replace
replace
replacethe
the
the
thefuse
fuse
fuse
fuseonly
only
only
only
with
with
with
withspecified
specified
specified
specifiedratings.
ratings.
ratings.
ratings.
To replacetheMeter'sfuse(seeFigure2.):
1.SetrotaryswitchtotheOFFposition.
29
2.Disconnecttestleadsand/oranyconnectorsfromthe
terminals.
3.Useascrewdrivertounscrewthetwoscrewssecuredon
thebatterycover.
4.Takeoutthebatterycoverfromthemeter.
5.Removethefusebygentlypryingoneendloose,then
slidingthefuseoutofitsbracket.
6.Installthereplacementfusesonlywithspecifiedratings:
F10A/250V∅6.3×32
7.Rejointhebatterycoverandsecurebythetwoscrews.
5.
5 .
5.
5.3
3
3
3Battery
B attery
Battery
Batteryreplacement
r eplacement
replacement
replacement
To
To
To
Toavoid
avoid
avoid
avoidfalse
false
false
falsereadings,
readings,
readings,
readings,which
which
which
whichcould
could
could
couldlead
lead
lead
leadto
to
to
to
possible
possible
possible
possibleelectric
electric
electric
electricshock
shock
shock
shockor
or
or
orpersonal
personal
personal
personalinjury,
injury,
injury,
injury,replace
replace
replace
replace
the
the
the
thebattery
battery
battery
batteryas
as
as
assoon
soon
soon
soonas
as
as
asthe
the
the
thebattery
battery
battery
batteryindicator
indicator
indicator
indicator(
(
(
( )
)
)
)
appears.
appears.
appears.
appears.
Before
Before
Before
Beforereplacing
replacing
replacing
replacingthe
the
the
thebattery,
battery,
battery,
battery,disconnect
disconnect
disconnect
disconnecttest
test
test
test
leads
leads
leads
leadsand/or
and/or
and/or
and/orany
any
any
anyconnectors
connectors
connectors
connectorsfrom
from
from
fromany
any
any
anycircuit
circuit
circuit
circuit
under
under
under
undertest,
test,
test,
test,turn
turn
turn
turnthe
the
the
themeter
meter
meter
meteroff
off
off
offand
and
and
andremove
remove
remove
removetest
test
test
test
leads
leads
leads
leadsfrom
from
from
fromthe
the
the
theinput
input
input
inputterminals.
terminals.
terminals.
terminals.
To replacethebattery(seeFigure2.):
1.SetrotaryswitchtotheOFFposition.
2.Disconnecttestleadsand/oranyconnectorsfromthe
terminals.
3.Useascrewdrivertounscrewthetwoscrewssecuredon
thebatterycover.
4.Takeoutthebatterycoverfromthemeter.
5.Removetheusedbatteries.
6.Replacewiththreenew1.5Vbatteries(AAA).
7.Rejointhebatterycoverandsecurebythetwoscrews.
30