Mastech MS2001 Assembly instructions

01 02
03
04 05
OPERATOR'S
INSTRUCTION MANUAL
Safety Information
The di git al clam p met er has be en de signe d acc ordin g to IE C
1010 -1 an d IEC10 10- 2-032 c onc ernin g saf ety req uir ement s
for el ect rical m eas uring i nst rumen ts an d hand – he ld cu rrent
clam ps wi th over vol tage ca teg ory 100 0V CAT II 6 00V C AT III
and po llu tion 2.
Safety Symbols
Safety Precautions
DIGITAL CLAMP METER
Impo rta nt safe ty in forma tio n, refe r to th e
oper ati ng manu al.
Dang ero us volt age m ay be pre sen t.
Eart h gro und.
Doub le in sulat ion ( P rotec tio n class 1 000 V
CAT II 6 00V C AT III ).
The di git al clam p met er comp lie s with th e req uirem ent s of the
foll owi ng Euro pea n Commu nit y Direc tiv es: 89/ 336 /EEC ( El ec-
trom agn etic Co mpa tibil ity ) a nd 73/2 3/E EC ( Low Vol tag e ) as
amen ded b y 93/68 /EE C ( CE Mark ing ) .
Howe ver, e lectr ica l noise o r int ense el ect romag net ic fiel ds in
the vi cin ity of th e equ ipmen t may d istur b the m easur eme nt
circ uit .Meas uri ng inst rum ents wi ll al so resp ond t o unwan ted
sign als t hat may b e pre sent wi thi n the mea sur ement c irc uit.
User s sho uld exe rci se care a nd ta ke appr opr iate pr eca ution s
to avo id mi slead ing
Foll ow al l safet y and o perat ing i nstru cti ons to en sur e maxim um
pers ona l safet y dur ing the o per ation a nd to e nsure t he me ter is
used s afe ly and is k ept i n good op era ting co ndi tion.
• Read t hes e opera tin g instr uct ions th oro ughly a nd co mplet ely
befo re op erati ng yo ur mete r. Pay p artic ula r atten tio n to
WAR NIN GS , whi ch wi ll i nfo rm yo u of p ote nti al ly da nge ro us
proc edu res. The in str uctio ns in t hese wa rni ngs mus t be fo llowe d.
• Alwa ys in spect y our m eter an d tes t leads f or an y sign of
dama ge or a bnorm ali ty befo re ev ery use . If an y abnor mal
cond iti ons exi st (i .e. bro ken t est lea ds, c racke d cas es, dis pla y
not re adi ng, etc .), d o not att emp t to t ake a ny me asure men ts.
• Do not e xpo se the in str ument t o dir ect sun lig ht, ext rem e
temp era ture or m ois ture.
• Neve r gro und you rse lf when t aki ng elec tri cal mea sur ement s.
Do not t ouc h expos ed me tal pip es, o utlet s, fi xture s, et c., whi ch
migh t be at g round p ote ntial . Kee p your bo dy is olate d fro m
grou nd by u sing dr y clo thing ; rub ber sho es, r ubber m at, o r any
appr ove d insul ati ng mate ria l.
• You al way s ar e car efu l wh en wo rki ng w ith v olt ag es ab ove 6 0V
dc or 30 V ac rm s. Keep f ing ers beh ind t he prob e bar riers w hil e
meas uri ng.
• Neve r use t he mete r to me asure v olt ages th at mi ght exc eed
the ma xim um allo wab le inpu t val ue of any f unc tion.
• Neve r tou ch expo sed w iring , con necti ons o r any liv e cir cuit
when a tte mptin g to ta ke meas ure ments .
• Befo re op ening t he ca se, alw ays d iscon nec t test le ads f rom all
ener giz ed circ uit s.
• Neve r use t he mete r unl ess the b ack c over is i n pla ce and
fast ene d compl ete ly.
• Do not u se ab rasiv es or s olven ts on t he mete r. To cle an it u sing
a damp c lot h and mil d det ergen t onl y.
Maintenance
• Qual ifi ed and tr ain ed serv ice t echni cia ns shou ld on ly perf orm
cali bra tion an d rep air of th e met er.
• Do not a tte mpt cal ibr ation o r ser vice un les s train ed an d anoth er
pers on ca pable o f ren derin g fir st aid an d res uscit ati on is pre sen t.
General Description
The met er is a handh eld 3 1/2 dig ital clam p meter for
measu ring DC and AC v oltage, AC c urrent, R esistan ce,
Diode a nd Contin uity Test wi th batter y operate d.
“ ” jack
This is t he positi ve input te rminal fo r ohms and di ode.
Conne ction is ma de to it usin g the red tes t lead.
Power S witch
A push pus h switch is u sed to turn t he meter on o r off.
Tri gger
Press t he lever to o pen the tra nsforme r jaws. Whe n the
lever i s release d, the jaws w ill close a gain.
Ω
8
Front Panel Description
Tra nsfo rme r jaws
Pick up t he AC curren t flowing t hrough th e conduct or.
Hold bu tton
When th is button i s pushed, t he displa y will keep t he
last re ading and “ ” s ymbol wil l appear on t he LCD
until p ushing it a gain.
Rotar y switch
This sw itch is use d to select f unction s and desir ed
range s.
Back li ght
To use this f unction , press the L IGHT but ton. When t his
butto n is pushed , the Back li ght of disp lay is on. Aft er
about 3 5 s econds, t he Back lig ht is self- off. Th e Back
light i s on again, j ust push th is button o nce.
1
2
3
4
5
6
7
H
Displ ay
3 1/2 dig it, 7 segme nt, 16mm hi gh, LCD.
“V” jac k
This is p ositive i nput term inal for VO LT me asu reme nts
conne ction is ma de to it usin g the red tes t lead.
“COM” j ack
This is n egative ( g round ) inp ut termin al for all
measu rement mo des excep t current . Connect ion is
made to i t using the b lack test l ead.
CLAMP METER LAY O U T
9
10
DIGITAL CLAMP METER DIGITAL CLAMP METER DIGITAL CLAMP METER DIGITAL CLAMP METER DIGITAL CLAMP METER
1
3
2
4
5
5
7
8
9
10
°C
Ω
V
A
KHz
220 200
~
1000A
~
200A
750V
~
1000V
1000Ω
2000Ω
200Ω
ONOFF LIGHT
CLAMP METER
DC
AC
~
ΩCOM V
1000V CAT ll
600V CAT lll
MAX 1000A~
1000V CAT ll
600V CAT lll
HOLD
°C
Ω
V
A
KHz
220 200
~
1000A
~
200A
750V
~
1000V
1000Ω
2000Ω
200Ω
ONOFF LIGHT
CLAMP METER
DC
AC
~
ΩCOM V
1000V CAT ll
600V CAT lll
MAX 1000A~
1000V CAT ll
600V CAT lll
HOLD

1108 09 1006 07 11
HYS006621
NOTE:
3. Conn ect test le ads acros s the resis tor to be mea sured
and rea d LCD displ ay.
4. If the r esi stan ce being me asured is c onnecte d to a
circu it, t urn off power an d dischar ge all capa citors
befor e applyin g test prob es.
1. If the r esi stan ce being me asured ex ceeds the
maxim um va lue of t he range se lected or t he input is
not con nected, a n overran ge indica tion “1”w ill be
displ ayed.
2. When c hecking i n-circu it resist ance, be su re the
circu it un der te st ha s all po wer remov ed and that a ll
capac itors hav e been disc harged fu lly.
Audib le Co ntin uit y Test
1. Conn ect red tes t lead to “ ” jac k, bl ack te st le ad to
“COM” j ack .
2. Set ra nge switc h to “ ” po siti on.
3. Conn ect test le ads to two po ints of cir cuit to be te sted.
If cont inu ity ex ist s, bui lt- in buz zer will so und.
Diode Test
1. Conn ect the red t est lead to “ ” j ack a nd the b lac k
test le ad to t he “CO M” ja ck (Th e pol arit y of re d lead
is posi tive “+”. ).
2. Set th e rotary sw itc h at “ ” pos iti on.
3. Conn ect the red t est lead to t he anode of t he diode to
be test ed an d the bl ack test le ad to the cat hode of the
diode . The appr ox. forwa rd voltag e drop of the d iode
will be d isplaye d. If the con nection i s reverse d, only
figur e “1” w ill be s hown.
Specifications
Accur acy is spec ified for a p eriod of on e year afte r
calib ration an d at 18° C to 28°C(64°F t o 82°F) with r elative
humid ity to 80%.
Gener al
Maximum voltage
between terminals
and earth ground
CAT II 1000V and CAT III 600V
Display LCD,1999 counts, updates 2-3/ sec.
“-”displayed for negative polarity.
Only figure “1” on the display.
42mm (Max conductor size)
9V battery, NEDA 1604 6F22 006P.
“ ”Appears on the display.
0 to 40°C
-10°C to 50°C
0.1×specified accuracy) / °C
(<18°C or >28°C)
Temperature coefficient
Storage temperature
Operating Environment
Low battery indication
Power
Polarity indication
Overrange Indication
Jaw opening capability
Altitude
Size
Weight
2000m
250mm×99mm×43mm
Approx.460g.
DC Volt age
Range Resolution Accuracy
1000V 1V ±1.0% of rdg ±2 digits
Input I mpedanc e: 10MΩ
AC Volt age
Range Resolution Accuracy
750V 1V ±1.0% of rdg ±5 digits
Input I mpedanc e: 10MΩ
Frequ ency rang e: 40Hz to 40 0Hz. Resp onse: Ave rage
respo nding, ca librate d in rms. of a si ne wave.
Range Resolution Accuracy
20A 0.01A ± 2.0% of rdg ±5 digits
AC Curr ent
200A
1000A
0.1A
1A
± 2.0% of rdg ±5 digits
± 2.0% of rdg ±7 digits
Overl oad Prote ction: 12 00A for 60 sec onds maxi mum.
Frequ ency rang e: 50Hz to 60 Hz.
Resis tance
Range Resolution Accuracy
200Ω0.1Ω± 1.0% of rdg ± 3 digits
2000Ω1Ω± 1.0% of rdg ± 3 digits
Replacing The Battery
WARNING
Conti nui ty
Range Description
If cont inuity ex ists (abo ut less tha n 20Ω),
built -in buzze r will soun d.
Befor e attempt ing to open t he case of ba ttery, al ways
be sure t hat test le ads have be en discon nected fr om
measu rement ci rcuits. C lose case a nd tighte n screws
compl etely bef ore using t he meter to a void elec trical
shock h azard.
If “ ”app ear s on dis play, it in dicates t hat the bat tery
shoul d be replac ed. Use the f ollowin g procedu re to
repla cing the ba ttery:
1. Disc onnect te st leads fr om any live s ource and r emove
the tes t lea ds fro m the i nput t erm inal s of th e mete r.
Push th e POW ER swi tch t o OFF,
2. The b attery co ver is secu red to the bo ttom case b y a
screw. U sing a scre wdriver, r emove the s crew from
the bat ter y cove r and r emov e the batte ry cover.
3. Remo ve batter y and repla ce with a new e quivale nt 9
volt ba tte ry.
4. Repl ace the bat tery cove r and reins tall the sc rew.
Accessories
• Opera tor's ins tructio n manual
• Set of te st le ads
• Gift bo x
• 9 volt ba ttery. NE DA 1604 6F22 0 06P type .
CAUTION:
Using t his appli ance in an en vironme nt with a str ong
radia ted radio -freque ncy elect romagne tic field
(appr oximate ly 3V/m), m ay influe nce its mea suring
accur acy. The m easu rin g resu lt ca n be str ong ly
devia ting from t he actual v alue.
Operating Instructions
DC Volt age Measu rement
1. Conn ect the red t est lead to t he “V” jack a nd the blac k
lead to t he “C OM” ja ck.
2. Set ro tary swit ch at desir ed 1000V po sition.
3. Conn ect test le ads acros s the sourc e or load bei ng
measu red.
4. Read v oltage va lue on the LC D display a long with t he
polar ity of the re d lead conn ection.
AC Volt age Measu rement
1. Conn ect the red t est lead to “ V~” jack an d the black
test le ad to t he “CO M” ja ck.
2. Set th e rot ary sw itc h at des ired 750V ~ positio n.
3. Conn ect test le ads acros s the sourc e or load bei ng
measu red .
4. Read v oltage va lue on the LC D display.
AC Curr ent Measu rement
1. Set th e rot ary sw itc h at des ired A~ posi tion.
2. Pres s the trigg er to open tr ansform er jaw and to c lamp
one con ductor on ly, makin g sure that t he jaw is fir mly
close d around th e conduct or.
3. Read c urrent va lue on LCD di splay.
4. When o nly the fig ure “1” is di splayed , it indica tes
overr ange situ ation and t he higher r ange has to b e
selec ted.
Resis tance Mea suremen t
1. Conn ect the red t est lead to “ ” j ack a nd bla ck
test le ad to t he “CO M” ja ck (Th e pol arit y of re d lead
is posi tiv e “+”) .
2. Set th e rot ary sw itc h at des ired“ ”ra nge posit ion.
Ω
Ω
Ω
Ω
DIGITAL CLAMP METER DIGITAL CLAMP METER DIGITAL CLAMP METER DIGITAL CLAMP METER DIGITAL CLAMP METER DIGITAL CLAMP METER