Mastech MS3300, MS3302 Instruction Manual

OPERATOR'S INSTRUCTION MANUAL

01 02

AC / DC CURRENT TRANSDUCER

1. Sa fety In forma tion

The AC /DC cur rent tr ansdu cer has b een des igned
acc ordin g to IEC- 1010 an d IEC10 10-2- 032 con cerni ng
saf ety req uirem ents fo r elect rical m easur ing ins trume nts
and h and-h eld cur rent cl amps wi th an ove r volta ge
cat egory ( CAT II) and p ollut ion 2.

Fol low all i ntrod uctio ns and op erati ng requ ireme nts to
ins ure tha t AC/ DC curr ent tra nsduc er is use d safel y and
is ke pt in goo d opera ting co nditi on.

1.1 S ymbol s

Important safety information,
refer to the operating manual.

Double insulation ( Protection
classII)

2. De scrip tion

Ref er to the F igure 1 . And t o the fol lowin g numbe red ste ps
to fa milia rize yo ursel f with th e AC/ DC curr ent tra nsduc er

Transformer Jaws
Designed to pick up the ac. or dc current
following though the conductor.

Hand Guard

Designed to protect user for safety.

Trigger
Press the lever to open the transformer jaws.

DCA ZERO
Adjusting the DCA ZERO knob, when the

display is not zero reading for doesn't
measurement before.

Power On indication

Function Switch

Select the ac or dc current.

Output Plugs

1

2

3

4

5

6

7

03

AC / DC CURRENT TRANSDUCER AC / DC CURRENT TRANSDUCER AC / DC CURRENT TRANSDUCER

HYS 00660 2

0706

Using this appliance in an environment
with a strong radiated radio-frequency
electromagnetic field (approximately
3V/m) may influence its measuring
accuracy. The measuring result can be
strongly deviating from the actual value.

5. DC C urren t Measu remen t

5.1

5.2

5.3

Set the AC/DC current transducer function
switch at desired A position.

Set a DMM at DCV function and a
relevant range.

Connect the output plug of AC/DC current
transducer with a DMM and combined
firmly.

5.5

5.6

Adjusting the DCA ZERO knob until the
DMM display show “0”, when does not
measurement before.

Press the trigger to open transformer jaws
and clamp one conductor only, making sure
that the jaws are firmly closed around the
conductor.

Read the reading on the LCD display of
DMM along with the polarity of the red
lead connection.

5.4

6. AC C urr ent Mea surem ent

6.1

6.2

6.3

Set the AC/DC current transducer function
switch at desired A~ position.

Set a DMM at DCV function and a relevant
range.

Connect the output plug of AC/DC current
transducer with a DMM and combined
firmly.

Press the trigger to open transformer jaws
and clamp one conductor only, making
sure that the jaws are firmly closed around
the conductor.

6.4

6.5

Read the reading from the digital display
of the DMM.

7. Ma inten ance

To keep t he inst rumen t clean , wipe th e case wi th a damp
clo th and de terge nt, do no t use abr asive s or solv ents.
Any a djust ment, m ainte nance a nd repa ir shal l be
con ducte d by serv ice per sonne l.

Acc essor ies

• Ope rator 's inst ructi on manu al

• Gif t box

• 9 vol t batte ry. NEDA 16 04 6F22 0 06P type

0504

3. Sp ecifi catio ns

Acc uracy i s speci fied fo r a perio d of one ye ar afte r
cal ibrat ion and a t 18°C to 2 8°C(6 4F to 82F ) with re lativ e
hum idity t o 80.
Acc uracy s pecif icati ons are g iven as :
±of r eadin g digit s

This instrument must not be used on
uninsulated conductors at a voltage
greater than 250V ac rms. or 250V dc

3.1 G enera l

DC CU RRENT R ANGE: 1 A dc to 1 000A dc.
AC CU RRENT R ANGE: 1 A ac to 1 000A ac. R MS
OUT PUT VOLTAG E: 1mV dc . per 1 A dc or 1A ac.
WOR KING VO LTAGE :
100 0V CAT.II Pe r IEC 101 0 - 1
MAX IMUM ALTI TUDE: 2 000m
OPE RATING TE MPERAT URE:
0°C t o 40°<C 8 0 relat ive hum idity
STO RAGE TEM PERATU RE:-1 0°C to 50 °C
TEM PERATU RE COEF FICIE NT:

0.2 ×(Spe c Acc 'y) /°C < 18°C or >28°C
MAX IMUM JAW O PENIN G: 55mm
SIZ E: 256× 104×4 7
WEI GHT: Appro x. 520g

3.2 E lectr ical sp ecifi catio n dc curr ent

Range

Measure

Output

Accuracy

1000mV1000A

± ±3.0% 5

A

Ove rload P rotec tion:
120 0A for 60 se conds m aximu m.

DC Cu rrent

AC Cu rrent

Range

Measure

Output

Accuracy

1000mV1000A

± ±3.0% 5

A

Ove rload P rotec tion:
120 0A for 60 se conds m aximu m.
Fre quenc y range : 50Hz to 6 0Hz.

4. Precaution and
Preparations for Measurement

4.1

4.2

4.3

Dot not applies the voltage to the output
plugs of AC/DC current transducer.

Do not use or store this instrument in a high
temperature or high humidity environment
and do not store the unit indirect sunlight.

Do not measure current before the AC/DC
current transducer is not combined with
DMM.

AC / DC CURRENT TRANSDUCER AC / DC CURRENT TRANSDUCER AC / DC CURRENT TRANSDUCER AC / DC CURRENT TRANSDUCER