Multi MCD-008 Instruction Manual

Thank you very much for selecting our model MCD-008 pocket

digital multimeter.
This model is complex instrument and employ a very reliable
mechanical/electronic design.

Before you use your new instrument, read this Instruction
Manual completely and familiarize yourself thoroughly with
all functions. With proper use and care, your tester will give
you years of satisfactory service.

MULTI MEASURING INSTRUMENTS CO.,LTD.

Akihabara Murai Bldg. 7F, 1-26 Kanda Sakuma-cho,
Chiyoda-ku, Tokyo, 101-0025 Japan
TEL : [phone] FAX : [phone]
Home Page : http://www.multimic.com/
E-mail : [e-mail]

SAFETY SUMMARY observe by all means

The Cautions and Warnings which appear on the following must be followed to ensure
operator safety and retain the operating condition of the multimeter.

△！ WARNING : This symbol indicates the contents "Possibilities of the death or

the serious wound can be supposed" caused from mis-operations.

△！ CAUTION : This symbol indicates the contents "Possibilities of the injury or

only the material damage can be supposed" caused from mis-
operations.

● The CAUTIONs and WARNINGs which appear on the following pages are stared
to prevent the operator & other people from the dangers and their properties from
the damages beforehand.

△！ WARNING

POCKET DIGITAL MULTIMETER

MODEL MCD-008

INSTRUCTION MANUAL

POSSIBLE ELECTRICAL SHOCK

● This instrument is for the use of low voltage circuit.

● Do not make measurements of power lines carrying more than AC 250V.

(In some cases, power lines may carry voltage spikes of several times of the normal
supply voltage).

● Do not make measurements, leaving battery cover removed.

● Before attempting to replace the batteries, first disconnect the test leads from any

energized circuit.

● Do not handle the instrument with wet hands.
It is very dangerous, when measuring voltage is high.

POSSIBLE DAMAGE OF INSTRUMENT

● When making resistance measurement, continuity test or diode test, do not apply
any voltage to the test probes. It will cause the defect.

● Confirm the position of rotary switch before measurement.

● Keep storage this instrument in cool and clean place.

● For cleaning of this instrument, do not apply chemicals such as thinner, benzine, etc.

GENERAL SPECIFICATIONS
Measuring Method : Dual integration method

Measuring Function : DC Voltage, AC Voltage, Resistance, Continuity Check,

Diode Test with Data Hold & Auto Power Off functions.
Display : LCD, max. reading of 3200 with bar graph
Polarity : Automatic (－) negative indication
Over Range Indication : "OL" mark on LCD readout
Low Battery Indication : "B" mark is displayed when the battery voltage drops
below operating voltage
Sampling : 2 times/second
Operating Temperature : 0～40℃, ＜80%RH (non-condensing)

Storage Temperature : －20～60℃, ＜70%RH (non-condensing)
Power Supply : LR-44 x 2
Power Consumption : Approx. 5mW
Size & Weight : 72(H)x114(W)x22.5(D)mm, approx. 110g
Accessories : Instruction Manual ………… 1, Battery …………2

NAME & EXPLANATION OF EACH PART

① ROTARY SWITCH : Power On/Off, Measuring Ranges

for DCV, ACV, Resistance, Diode Test 72
and Continuity Check.

② FUNCTION KEY : When the position of rotary switch is

at Ω. ･))) ➔+, can change from

Ω./ ･))) / ➔+ by turns.

③ DATA HOLD KEY : By pressing this key, the display 114

value will be hold (DH sign will appear)
and it will be released by pressing once
again. (DH sign will disappear).

④ DISPLAY : LCD display for measuring value,

annunciator, battery sign, etc.

⑤ TEST LEADS : Red is for ○＋ polarity and Black is for ○－.
⑥ LEVER SWITCH : One touch lever switch for rolling up the test lead wires into the case.
⑦ BATTERY COMPARTMENT (Rear Side)

MEASURING RANGES & ACCURACY

(23℃±5℃,<80%RH non-condensing)

Function

Range

Accuracy

Input Impedance

Max. Input Voltage

DCV

320.0mV

±(1.3%rdg±3dgt)

>1000MΩ

AC/DC 500Vrms

3.200V

±(0.7%rdg±3dgt)

approx. 11MΩ

32.00V

320.0V
500V

±(1.3%rdg±3dgt)

approx. 10MΩ

ACV

(50/60Hz)

3.200V

±(2.3%rdg±6dgt)

approx. 11MΩ

AC/DC 500Vrms

32.00V

320.0V
500V

approx. 10MΩ

Function

Range

Accuracy

Testing Current

Max. Input Protection

OHM

320.0Ω

±(2%rdg±5dgt)

<0.7mA

500Vrms

3.200kΩ

±(2%rdg±3dgt)

<0.13mA

32.00kΩ

<13μA

320.0kΩ

<1.3μA

3.200MΩ

±(6%rdg±4dgt)

<0.13μA

32.00MΩ

±(10%rdg±10dgt)

Diode Test

3.200V

±(10%rdg±3dgt)

approx.. 0.7mA

500Vrms

Continuity
Check

320.0Ω

Continuity Beeper,

<approx. 20Ω

approx.. 0.7mA

500Vrms