Transcript
DIGITAL TULTIMETER
i opERATTilTANUAL :
i I
"
!
l
DI<;ITAL
'IULTIIIEIER
co^rrEl/IS
cqfifr€ilrs
{. 1.1 1.2 1.3 1.4 2. 2.1 2.2 2.3 3. 3.1 3.2 4. 4.1 4,2 4.3 4.4 4.5 4,6 4.7 4.8 4.9
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SAFETYITFOilAIPiI PRELIUII{A$r DOSA}I)DOI'fTS SYMBOLS MAINTEilATrcE DEScRPTIqt NAMESOFmRTS SWITCT{ zuTTOa*SAIYD
.,,1 ...1
...2
...3 ...4
...6 ...7
TNPUTJACKS ...8
LrQUrrlCf;lSrALD|SH3Y{LCD)
SPECIFIGI'DS GENERALSECIFICATIONS TECHNICAI.SPECIFICATIONS
OPERATX'INITR,CTX)N M|SCOI{i€ETIO{Ar-ARM ' HOLDINGREil}NGS SWTCH|I{GR trcnONS SWTCHTT.TGMIreES
...10 ...12 ,..12 .,,13 .,.23 ...23
.,-24 ...24 ...24
S1/I/ITC}II}'GENEEIIFREAUENCY/DUTY ..,25 S\A/TCHII{GEREITTNGTCASUREMENT,,.2S
LTGHT Poivm OFF PREPARING FOR IiEASUREMENT BACK
...26
AUTO
...27 ...29
.SE*,4- I[-,crt{Et'ER
DIGITAL MULTIMETER
co
"tr I" I 'i 4 Ti 6
rrEffxs
...4
IGASURINGAC VOLTAGE
...30
T'E.4SURING FREQUENCY
-..31
BE
METER. lmproper use of this device can result in electric sho200k}tr
- by V
sPEc**AnaN
lnput voltage range: 0.EV
-
voltage at higfEr trequency)
600V rms AC (higher input
aGffAL
MuLrtME:jspEcrF, pATtoN
lnput lmpedance: 10MO
::YY'*::3.2-10 Temperature
Max. lnput Voltage: 1000V DC or 750V rmsAC
- By pA, mAorArange:
3.210,'l Temperature (on sensor, thermoresistor NtfC and tenperature display)
Frequency response: 0
-
lnput cunent range: >1/4
4okFlz
oftle
Fenge rms AC
forthe range
(higher input vol@e at higher frequency)
-.Max. inputcunent
t
0.1t
T
0.'t?
- Overload protedion:
pA, mAranges: resettablefuses
Fl
R,mge
Resolution
C
lc
500mAn50V
10A1250V tuse (quick acting),
r&tE Th$ range by OUTY'of the l-lz range is largerthan th,at of the
-20C
to0t
0t
40otl
to
range. :
r
IT
32?
R€solution
20 -9596
a1%
- Operatingt*nperature:
Periol -20s.
Accuracy
r
5-0%RH
0e to 40t
15.0% ofreadingtort ,l
.0% of
rmot
-4r to32T
3.2,9 Reldive Humidity ton RH anclhumidlg displa'1)
-.Sampling
Accuracy
400C to
Range
r2t]
r4r
32? to 1047
)
l0Ajack 10A
voltage range or qJnent
40t
0C to
3.21A.2 Temperature (on sensor, .lhermocouple afld main
mAjack (rnA Eng6s) : 400nul,
F2
Resolution
- Sampling Perio,i: -20s.
mAjack (FAranges) l4mA
10A range:
sPECtF,cArpN
to 7527
t
2.0% of reeding
5.0% of readingtor
t
*
t .0% of readinetor
* 4.t'
- Overload protedion: resettable fuses
*
6.p
2.0% of reedlng
F1
500m01280V.
(dB)
Range
Resolution
4r)-100d8
0.1d8
Accuracy
t
3.{P6dB at 94dBi
1
tHz sine
wave - Typical instrumont frequency raflgo: 100
E
2t
t
752T to 18:t2'll
3.2.11 Sound Level
r€adingtort
Ot
-
e000l{z
DIGITAL MULTIMETER SPECIFIC.ATION 3.2-12 Luminance (.Lux) Range
Res{iution
L{sr (,1000)
I lux
r
1
oLux
10Lux
.l' 6PERATING tNSfrRUcTtoIu AcDuracy
t
(5.096 of reading + 10 digits)
at colortemp. 2856K calibrated to
staniard incandoscent lamp
(40000)
3.2,.13 Diode Test
.
4.'
MISCONNECTION ALARM
Thel input jacks of the meter are equipped with sound and Iight alarms against misconnection 3'6V tn'''Efi" appear brrcause of ils Egr wortirg current which
back light is on, even if may
OL (over linit) wiil
allo!,ved rralue for that
K,
OPENATffG INSTRUCT'ON
necessary
buttons or tunring the
7) O|-riggering: Under the REL mode,
DIGITAL MULTIMETER
will cause the voltage to CoP- (The accuracy of the
bo 6ured wh€$ the 'Efi" sym5s1 aPpears.) lntis rce' you need not measurement cannot replace the b€tteries
lasl until
y€f- NomEry' l,le
tt"'E!' appaewkn
battedes can
the back ligltt is not
being used.
4.8AUTO POWEROFF
'l)
lf there is no'any oPerdixl crilrin any thirty minute period afier tfe porver is 4 the meter will efier the auto Power ofl'mode. -27 -
-
!i!!!Y----ou*ucrroN 2) Tum the rctary selector or pre$s any of .HOLOIB.L",
'SELECT', .RINGE-, "HIDU[Y"
the
OPERA'NNG NSTRUCTION
4tO MEASURING DCVOLTAG
A
Or
'REL' buton rb resume operafiion of the met(r under auto the power off mode.
3)
DIGITAL MULTIMETER
Press the "S[:LECT, button to disable the auts power
Boware of elec{rocutlon. P,ry sp€cl6l atte[tion D'D
MEA$URTM ENT
r?taced.
DC, whic$ may
symbol beside the i rput lsed shows that the
4.93 Turn the robry selector to the required funcllon
and
range to be measured. Under the manuail mode, cfiome the hiohest range when the value scale
to be
jack and the
red test lead iilto the V jaclc 4.
exc€ed th€ specified value in order to protect the internEd circuit fiom danrage.
1
te TilV range po:rition. hibn to s:witch to DC
3.2 Set the rotary selector to
4.1,0.3 Press the "SELECT'
measur€ment. Then press choose the auto range or 4.1
UE'RAt'lGE btttton to
nrmrd
0.4 Connect the test leads to
tlr
range mode.
rolbge source or load
for measurem,tnt. 4.1,!.5 Take the retding on
The polarity oymbol
tie
n*t
htdicdor of the LCD. poladty of 'he end
denG tte
connected by lhe red ted lead.
is unknown.
4.9-4 Conned the common test lead first and fl{en the ctraQ6d test lead when making connection. Take
aiEy the chaged test lead fir6t when disconnecting.
lllCIT,8:
'l) At small voltage range, before the test leads
uri#y rdings will appear cgE the circuit. This is
normal becau*e the m€ier the test leads contact the
-a-
tq[tl
irb0te @iil
4.1,0.1 Plug the black test lead
inpd r/olhge or curent should not
m6trd
not input any'volt{e over
crln be shown.
symbol will ippear and th,r batteries shduld be
The'4,
shock when
dcstroythe internal circuit ddtogh a higher voltage
4.9.1 Slf,itch on th€, power by turning the rotary selector. lf the batery vlltage ls lower than 3.6V the ,,Ffl,
4.92
Gldic
to avdl
measuring high voltage.
ofifunc*ion.
..9 PREPARANNG FOR
mnmne
be shown.
b
ItShly sensitive. When
dtlt
the true rearling will
-
D,G.TALMULT.METER
.
op,s4rryg,rygr3 Lrcrto.
2) Underthe manual rang6 mode4 when only,Of or,OU is strown on the LCD, it means the measurenent has exceeded ttre, range. A higher range should be sdected.
*-. I
b,
3) Llrder the maoual range mode, when the scate of the va[.p to be measured is unkrown beforehanctr,
tte h(fiest
/tfl
select
rdnge first and lowtr the range gradually.
IEASruFING AC VOLTAGE
A
I&!
evoid electric shock when
Do not SnFrt any voltage Z50V rms AC, which may a higher vrrltage
F
r t
f$t
sensitive' When normal becaurle the m€der b the test leads c'ontad the chc-, the true reading will be shown.
ll) At the manuallrange mode,
4.11.1 Phrg Orc Hack test lead into tcst lead into tfte V jack.
tre
4.1r-2 Scttr€ rotary selectorto the
rllei mty'Ot-
or'-OU is
tittE
ralEe shduld
be
COM jack anctthe red
X7
V range position.
4.11.4 Gonnect lhe test leads to thr; volhge source or load tenrdnak for measurernent. 4.11-5 Take the reading on the main indicator of the llCD.
f,hll fie scale of ttre value
to be measured is unknwt b&rehand, sebct lower0l
highest range first and
the
range gradualty'
/[1 T MEASURING TREOUETTC1I 4.1:2.1 Plug the black test leed
4.11-3 Press the ,,SELECT, button to switch to AC me6$ernert. Then press lhe .MNGE" brltton to cfioGc the auto range or manual range mode.
-t)-
A
il) At the manual range mode,
d.*8, ltc inner circuit, although ca berlpryn. :
F
'l) At smallvolta(F range, unsteaty teadings may appear before the test leads corffi Ap circuit This is
selected,
wnRulruc
d Electrccuflon. Pey rpald dertion to rrerlring high rroltage.
ffi
FroIG:
exceeded the range.
Errere
&
OPERlIT/l|re NSTRUCTION
shown on the,LCD, it mqlsthe nssurement has
ikr
h
DIGITAL MULTIMETER
red test lead into the l'lz
ilEfte
CO[4 jack and the
iarc
b [E [E range position (or bulbrl .atp AC/DC V range to
4.1;2.2 Set the rotary selec'tor press the "HzDUT\2
switch to Hz rreasurern€il}" 4.1:e.3 Connect teslt leads to thc
tro en& d
the sdurce or
load for measurernefit 4.12.4 Take the rearling on the
m*r inlcator
of
the !CD'
I DtctTALMULflATETER opqgdruG-rlp6 vcTtoN 4.'3 HEAruRI{G
DUTY
4.13.1 Plug the black test lead intcrthe COM jack and the r€d test lead into the Hz jack. 4.1 f;t+ 'd
12 Set ihe rotary selector to the Hz range position.
4.113 Ress the ,,HzlDUTy, button to switch tcr DUry
meurernent (or press the ,l{:/DUTy, button at the
o*,r.r*
:*':::t'^
4.1,t,4 Oonnect the test leads to tfie
l.It,?E: 1!)
At the manuallrange mode'
AC/DC V range to switch to DUTY measurement).
shown on the'LCD, it
exceeded th€' range'
led br
+I'
measurement,
Tde the reariing
IEAS{'RNG
on the main disday of the Ll;D.
wnnrulrue of Electnrcution.
?um otl tlre porrer of the clrcuit to be meaeured brftrg@nnectng the mef,er to lhe circuit. 4.14.1 Pfrg the black tsst lead intc{th6 COM jack When llp cunent to be measured is under 40OmA plug the rcd test had ioto the mA jack; when the cunent to be rn€sslned b rorer 400mA but 0nder 1OA, plug the red bs{ lead krto tire 1 0A jack.
4.1{.2 Scf th€ rotan, selector to the 7V e range position. 4.14-3 Pre6s the ,,SELECT' button to switch to DC m€aslrement. Then press flie "RANGE" button to choooe the auto range or manual range mode,
-4.-
rlgr
mly'OU or'-OL'
is
rneastrre
measurement has
A lttts
range shcltld be
selocted.
Il) At the manual range modq tfllrnr 0re scale of th€ valuo to be measur€d is unknour taft.dlan4 set the range to the highest.
DC CURRENT
A
Benu
cituit for measurement'
4.14.5 Take the reeding on the m*r i,ldacdor of tlre LCD' 'fie end The polarity srymbol denotB t p poladty of connected bY &re red test lead-
4.114 Gorrreet tes! leads to the tvro end of the source or 4.13-5
vcroN
:q
"A'
61s665 the ma)dmm
trlstt
cf the rnlrjack is
(rlerf d $e 1oA'jack is $e lmit will jach oglrdaceefig {0A 10A" At the
400mA and ttle maximum blow the fuse.
4.I.' MEASURING,AG CURREIII
Arulre
Beware of Elec'tmcutiqt.
h aH b be measured clctit m-5} jack When the 4.15.1 PIug the blacktest lod ith@il {IInA flug the red current to be nreasurcd b rdr to be cunen{ tle dgl nrA the test lead into Fts Turn ofi the porrer of hr{ore connec{lng
measured is
tte
oter4{X}rnAhlrds 10A plugthe red - 33-
-
uGnN MULT.METER op,s4rryG / ,grR vcrtoN
lr,:i
test bad intotte 10Aiack. 4.1L2 Sel the rortary selector to the FU A ,ang" position. 4.1L3 Press the ,'SELECT, burlon 1o switeh to AC measrernent. Then press flire "RANGE, button to cfiooce the auto range or manual range mode. 4.11-4 Connect the,!esl leads to the circuit for measurement.
4,115 Td(e the rearling on the main indicator of the [.CD.
is
drom on the.LCD, it means; the measurement has th€r range. A higher range should be
sde.ted. lJltder the marual range modo, when the scale of the
yat e to be mrasurod is unknrlwn beforehand, set the
rIgetothe
highest.
Q A,'
rreans the maximum crrrent of the mA,jack is 4(IInA and the maximum cunrent of the 10Ar jack is l(lA At the 10A jack, cunenil exceeding the Hmit wilt
bhrtlrefuse.
4I!I
rNS T RU C T I O N
MEASURING RESISTANCE
A
wanrlre
Bcware of Electrrtcutaon.
lfthen meaeurinrt in+ircutt t*ElG, make 6ura thnt the porer of the cilElft 5G &st has been h.re beenr fully turned of and lftd all csrr
ib0le @l,l jack and the
or,,el,
oeeded A
OPER/cfrr{G
dibcherged.
roIe
1} Al Are rnanuallrange mode, wh6n only ,OL
DIGITAL MULTIMETER
4.1r$.1 Plug the black test lead red test lead irilo the O jack 4.1rS.2
sdec{ortolheA{*{F the "SELECT h.ilon to
Settre rotary
range tosition'
slrvitch to O measurement. Then press lhe 'RANGE' br*ton to
4.113.3 Press
choose the auto range or nranrC range mode. 4.113.4 Connect the test leads b IlrG ends dthe relristor or ci
rcuit tor measurement
4.1r$.5 Take the rearling on the
ndt inlcdor
of
the lCD.
l@Iui
'l) At the manuallrange mods, rlEl onfy 'OU or 'OU is ihown on the, LCD, it rranstlt m€surement has exceeded th€t range. A lits range should be selected.
Q'fl Tpear on the LCD to indicate that the rango h6El eeed€d. il) For measuring resistilcc &p lMO, it ma)'take a
2) When the inpd is op6tl.
few seconds to get a
stdy rrdiqg-
for high resistrnce readiE;
This is normal
d
uGnN-'tuLrtMETER
DIGITAL MULTIMETER
opEgdrryg,rysrE vc*oN
{{?
TEASTURNG CAPACITANCE
A Bcrerc
d
OPER,A'NNG NSTRUCTION
4.1,3.3 Press
4.1,t.4 Connect the red test lead to
wnnrumre
To .rn*l ehcffic ehock, make sur6 th*t the c+es hays been fully discharged hefore
mtryiq te cDacitance
4. 1,!.5 Take
of a,Eapacitor.
4-r 7-2 Scilhe rotary selector to he
1l)
O.,,1ll{1.'
ends
of the
capacitor for
some time (about 30 seconds for the 200pF
ruu€) for deady readings when measuring c+ady.
witl appear on the LCD.
4.'I
TESTING COIITINUITY
Boware of Eledtnacrfrion.
d ae circtit hae been capm have been fully beforc iestlm tlscdrrity oil I cilEuit
turned off and the
high
open. ln suc-h case, press $le "REf button to reset tlle reoding and take measurement again,
4.1rS,1 Plug
FrluS
-r-
t
tp
ibOE rclrt jack and the
jack
selectorbbo{tHF range Fsition. 4.1:9.3 Press the 'SELECI ham to switch to "{ for
4.119.2 Setttre rotary
4.1r$.4 Connect the test leads
tlre black test lead intcrthe COM jack and the
red test lead iilto
the black test lead
red test lead irto the A
continuity te$t.
+TITESTHGDloDE
Set
app.ainde foMard voltage
The mder will show the
ll) When the test leads have bG{ rewrsed or open, 'OL'
2) Scndimes a reading may appe€r when the circuit is
l.2
the ICD'
Meke sure that the poset
t) tmaytake
4- 1
of
^4, waruure
reariing on the main indicator of the tr CD.
rEIE
l
rein indcator
the rearling on the
ilteaslrsnent.
a-lt
mst.
drop ofthe diode.
range position.
4-t7.3 Aler fully digcharged the capacitori connect the test
T*e the
li
anode and the black
NOY,EI
4-17-l PluS tlre btack test lead intcrthe COM jack and the red tes( tearl irfto the {F jack.
{-17.4
ie
test lead to thc cathode ofthe ilode fortesting.
Elecf rrDcution.
leds to thr two
the'SIILECT' butonb switch 16
the lljack.
rotary selector to the O."l
lt{
4.
F
range position.
bs5 h
ends of thc circuit
for measurem,lnt 1e
.5 lf the resistarlce of the 40O, the built-in
ciErt ltdng tested is less than
buzzerdturd. -at? -
DIGITN 'IULTIMETER
a.It-6 R€dfie resistance
rcIlr lf
tie t€C
oPERAflATG INSTRVCTION on the main indicator of
flie LCD.
leads Er€ open or the resishnce of the {}ircuit is
(r,E4o(rl'OL"
o*,*u
:''-.t*."' 42t
MEASURING TEMPERATURE
(WTH THERMO-RESISIOR} 4.21.1 This functicn is used ior masuring the 'rmbient temPerature a!'ound the
will appear on the LCD.
m&'
4.21.2 Turn the rotary selector
I'
EASI.IENG RELATIVE HUI'IIDITY
4212 Tun
4213
arouild the meter
ttre roEry selector away.fom the OFF prpsifi66.
The trrnent ambient humidify will be Ehowrr on the disday of the LCD"
I )The hu$d,ty sensor is placed inside the front part of the ,rder and therefore it may take a longer time lb reach
Erce
with the environnrent being
Futernore, 20 seconds,
('pGed to tle
2)
measured.
it takes a longer intermi$sion tim,r, about
tr
reading" Hence
llrGqting
rapidty changing antbient humidity.
bke sorre time icr
ertierlt
it is not suiteble for
a steady RH reading vvh6n the
humidrty chan ges.
"CfF"
l'E
button to
LCD'
srUl
b€ii/een tll and "F
measurement.
ltElE; placed 1l) The temperature senss (t!6m{esistor) is it may inside the frort part of the oreter erd fierefore
itrnral balance rvith' the environment. Furthennorq I takes a longer
take a longsr time to readt
and intermission tirne, about 20 soeonds, fur samplng
the meter has to be expc€d h the environment for a tlence ill is not longer tima firr accurde Ititg-
sampling and the meter has to be environment for a longer ilme for
Grab lf,
the temperature indicator of
4.21.4 Press the
lur*fty
plE
aniaytornt}e OFF pdsition'
on 4.21.3 The eurrent ambient ternperahre will be shc^rn
/f-211 Tlis func-ticn is used for uraasuring the ambient
lu*Ity
'*"'*ucnga-
suitable for mesuritg
rqily
clranging itmbient
temPerature.
Il)
The working
t'nnperelte.'tE lleier
DH h betw€en 0 dd G'
the temperaturc seflsor
func{ion
is
temPerature
b
applicabb
is 0
*
40C'
As
insidethe mcter' this
measuring 'ambient
if) lf exposed to'an envirorr-i beyond 0 - 40C' the meter may nhoil a wiF rangp of temperature
mray cannot be dnsured and damage to the n#nry be caused' mea8urement, but
-o-
tlle
-39-
:
UGTTAL MULTIMETER
DIGITAL MULTIMETER
OERlqr' JGINSrRUCTION
OPE7RATING INSTRUCTION
'T22
trEASURIM' TEMPERATUFIE
ourlt
THERMOCOUpLE)
A mnune Arsaof elecffircution. To .rroi, c*ectlcal shock, do not connect the trt charged circuits.
Plug
tte
llc
positi'Dn'
firont part of the mder
at the sound source.
appear on the main display of the LCD at
Arstin€_
4223
selectortollreG rarqe
4.2:3.2 Point the sertsor located in
4.221 Trrn the robry selecior to TEMP position.
1222'ot-'will
4.2.3.1 Turn the rotary
on the LCD' 4.2:3.3 The sound l€vel in dB r,ril be strorm
NOTEi red end of the 'K' type thermocouple into the
$trong wind (ov
