MS 8230B
DIGITAL MULTIMETER
01
INSTRUCTION MANUAL
Safety Information
To ensure s afe ope rat io n, an d in o rde r to e xpl oi t to th e full th e
func tiona lity of t he me te r, ple as e fol lo w the d irect ions in t his
sect ion car efu ll y.
Warning
This m ult imete r has b een des ign ed acco rdi ng to IEC -10 10
conc ern ing ele ctr onic me asu ring in str ument s wit h an over v olt age
cate gor y CAT II 10 00V, CAT III 6 00V and p oll ution 2 .
Foll ow al l safet y and o perat ing i nstru cti ons to en sur e that th e
mete r is us ed safe ly an d is kept i n goo d opera tin g condi tio n.
With p rop er use an d car e, the di git al mete r wil l give yo u yea rs of
sati sfa ctory s erv ice.
• Preli minary
- When u sin g the met er, th e user mu st ob serve a ll no rmal sa fet y
rule s con cerni ng:
Prot ect ion aga ins t the dan ger s of elec tri cal cur ren t.
Prot ect ion of th e met er agai nst m isuse .
- When t he me ter is de liv ered, c hec k that it h as no t been
dama ged i n trans it.
- When p oor c ondit ion u nder ha rsh p reser vat ion or sh ipp ing
cond iti ons cau sed , inspe ct an d confi rm th is mete r wit hout de lay.
- Test leads m ust b e in good c ond ition . Bef ore usi ng ve rif y th at
the in sul ation o n tes t leads i s not d amage d and /or the l ead s
wire i s not e xpose d.
- Full c omp lianc e wit h safet y sta ndard s can b e guara nte ed only
if use d wit h test le ads s uppli ed. I f neces sar y, th ey must b e
repl ace d with th e sam e model o r sam e elect ric r ating s.
• Durin g Use
- Befo re us ing, yo u mus t selec t the r ight in put j ack, fu nct ion and
rang e.
- Neve r exc eed the p rot ectio n lim it valu es in dicat ed in
spec ifi catio ns fo r each ra nge o f measu rem ent.
- When t he va lue sca le to b e measu red i s unkno wn be foreh and ,
set th e ran ge sele cto r at the hi ghe st posi tio n.
- Do not m eas ure vol tag e if the vo lta ge on the t erm inals e xce eds
1000 V abo ve eart h gro und.
- Alway s be ca reful w hen w orkin g wit h volta ges a bove 60 V DC or
30V AC rm s, ke ep fing ers b ehind t he pr obe bar rie rs whil e
meas uri ng.
- Befo re ro tatin g the t ransf orm s witch t o cha nge fun cti ons and
rang es, d iscon nec t test le ads f rom the c irc uit und er te st.
- Neve r per form re sis tance , tra nsist or an d diode m eas ureme nts
on liv e cir cuits .
- Neve r use t he mete r und er the co ndi tion of t he ex plosi ve ai r,
stea m or di rt.
- If any f aul ts o r abn orm aliti es ar e obser ved , the met er ca n not be
used a ny mo re and it h as to b e check ed ou t.
- Neve r use t he mete r unl ess the r ear c ase is in p lac e and fas ten ed
full y.
- Plea se do n ot stor e or us e meter i n are as expo sed t o direc t
sunl igh t, high t emp eratu re, h umidi ty or c onden sat ion.
• Symbo ls
Impo rta nt safe ty in forma tio n, refe r to th e opera tin g
manu al.
Doub le in sulat ion ( Prote cti on clas s II) .
Over vol tage (I nst allat ion ) categ ory I I, Poll uti on Degr ee 2
per IE C10 10-1 re fer s to the le vel o f Impul se Wi thsta nd
Volta ge pr otect ion p rovid ed.
Over vol tage (I nst allat ion ) categ ory I II, Pol lut ion Deg ree 2
per IE C10 10-1 re fer s to the le vel o f Impul se Wi thsta nd
Volta ge pr otect ion p rovid ed.
High v olt age war nin g symbo l
Conf orm s to euro pea n union d ire ctive
Eart h gro und
Fuse
Alte rna ting cu rre nt
CAT II
CAT III
-Ple ase d o not att emp t to adju st or r epair t he me ter by re mov ing
the re ar ca se whil e vol tage is b ein g appli ed. A tec hnici an wh o
full y und ersta nds d anger i nvo lved sh oul d only ca rry o ut such
acti ons .
- Befo re op ening t he ba ttery c ove r or case o f the m eter, al way s
disc onn ect tes t lea ds from a ll te sted ci rcu its.
- To avoid the w ron g readi ng ca usi ng e lec tri ci ty at tac k, w hen t he
mete r dis plays “ ” , you m us t cha nge t he b att ery.
- For co nti nue pro tec tion ag ain st fire , rep lace fu se on ly with t he
spec ifi ed volt age a nd curr ent r ating s: F 20 0mA/2 50V ( quick a cti ng).
- Do not u se ab rasiv es or s olven ts on t he mete r, use a d amp clo th
and mi ld de terge nt on ly.
- Alway s set t he powe r swi tch to th e OFF p ositi on wh en the me ter
is not i n use .
- If the m ete r is t o be st ore d fo r a lon g per iod of ti me, t he batt eri es
shou ld be r emove d to pr event d ama ge to the u nit .
• Maint enance
- This met er is a p ortab le pr ofess ion al meas uri ng in st rum ent w it h
hand som e LCD eas ily r eadin g.
- Sing le op erati on of a t ransf orm s witch m ake s measu rem ent
conv eni ent. Ov erl oad pro tec tion an d low b atter y ind icati on ar e
prov ide d, this m ete r is idea l for u se in the f iel ds, wor ksh op,
scho ol, h obby an d hom e appli cat ions.
- This met er is w ith the f unc tions o f dat a hold.
• Descr iption
02
Dire ct cu rrent
Diod e
This i ndi cates t hat t he disp lay d ata is be ing h eld.
The ba tte ry is not s uffic ient fo r pro per ope rat ion.
03
04
• Elect rical Spe cificat ions
Circ ums tance Tempe rat ure: 23 ±5° C, Rela tiv e Humid ity : < 75%
DC Voltag e
Rang e
200m V
2V
20V
200V
1000 V
Reso lut ion
0.1m V
0.00 1V
0.01 V
0.1V
1V
- Inpu t Imp edanc e: 1M Ω
- Over loa d Prote cti on: 200 mV ra nge: 25 0V DC o r AC rms,
2V- 1000V r ang es: 100 0V DC o r 750VAC r ms .
- Max. I npu t Voltag e: 10 00V DC
05
Accu rac y is spec ifi ed for a pe rio d of year a fte r calib rat ion and a t
18°C t o 28° C (64°F t o 82° F) w ith r ela tive hu mid ity to 75 %.
• Speci ficatio ns
- Max. Vo lta ge Betw een Termi nals And E art h Groun d: 10 00V D C
or 750 V AC
- Fuse P rot ectio n: F 20 0mA/2 50V ( quick a cti ng).
- Disp lay : 15mm LC D
- Max. S how Valu e: 1999 ( 3 1/2 )
- Pola rit y Indic ati on: '-' ind icate s neg ative p ola rity.
- Over ran ge Indi cat ion: Di spl ay '1'
- Samp lin g Time: ap pro x. 0.4 se con d
- Low Ba tte ry Indi cat ion: “ ”d isp layed
- Powe r Sup ply: 1. 5V× 3 AAA batte ry.
- Oper ati ng Temperat ure : 0°C to 40 °C (3 2°F to 10 4°F )
- Stor age Tempe ratur e: -1 0°C to 50 °C (1 0°F to 12 2°F )
- Dime nsi on & Weight : 158 ×74×3 2 mm, 2 50g (in clu din g ba tte ry)
• Gener al Specif ication s
Accu rac y
±(0. 5% of r dg + 2 digi ts)
±(0. 5% of r dg + 3 digi ts)
±(0. 8% of r dg + 3 digi ts)
±(0. 8% of r dg + 5 digi ts)
OFF
V
V
A
600V
CAT
III
1000V
CAT
II
MAX 10A
UNFUSED
FUSED
B ECE
FEh
NPN
1000
MAX 200mA
1000V
750V
Ω
10ADC
200
20
2
200m
2M
200k
20k
2k
200
10A
200m
20m
2m
200µ
200
750
VΩmA
PNP
COM
DIGITAL MULTIMETER
MS 8230B
OFF
V
V
A
600V
CAT
III
1000V
CAT
II
MAX 10A
UNFUSED
FUSED
B ECE
FEh
NPN
1000
MAX 200mA
1000V
750V
Ω
10ADC
200
20
2
200m
2M
200k
20k
2k
200
10A
200m
20m
2m
200µ
200
750
VΩmA
PNP
COM
DIGITAL MULTIMETER
MS 8230B
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2
3
4
5
6
7
8
• Names o f
Compo nen ts
LCD Di spl ay
Pane l
H Butt on:
This B utt on is
used t o the s witch
of dat a hol d.
Tra nsf or m Swi tch :
This s wit ch is use d
to sel ect f uncti ons
and de sir ed rang es.
1
2
3
4
10A Jac k:
Inpu t ter minal
for cu rre nt 0 ~ 10A.
COM Ja ck:
Comm on te rmina l
for me asu remen t.
hFE Ja ck:
This J ack i s used to
tran sis tor tes t.
V/Ω/ mA Jac k:
Inpu t Jac k
5
7
6
8
FR O N T PA N E L
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