Emos MD-230 Manual de usuario

2202020000_31-M0230_00_01 74 × 105 mm

M0230

GB Digital Multimeter

CZ Digitální multimetr

SK Digitálny multimeter

PL Multimetr cyfrowy

HU Digitális multiméter

SI Digitalni multimeter

RS|HR|BA|ME Digitalni multimetar

DE Digitales Multimeter

UA Цифровий мультиметр

RO|MD Multimetru digital

LT Skaitmeninis multimetras

LV Digitālais multimetrs

EE Digitaalne multimeeter

BG Цифров мултиметър

www.emos.eu

MAX

INPUTCOM

FUSED

MAX

FUSED

500mA

10A

10SEC

EACH 15MIN

MAX

600V

Select

OFF

200

200m

1.5V

200

200k

20k

600

200

600

TEMP

BATT

EN61010- 1

CAT III 600V

°C°F

TRUE RMS

GB | Digital Multimeter

Read this instruction manual thoroughly before you begin using

the M0230. It contains particularly important passages concerning

occupational safety principles when using the device. Such passages

are highlighted. Reading the manual will prevent potential injury by

electric current or damage to the device.

The multimeter was designed in accordance with standard EN

61010-1, applying to electronic measuring instruments belonging

to category CAT III 600 V, pollution degree 2. CAT III is intended for

measuring circuits powered by xed wiring installations, such as

relays, sockets, distribution boxes, feeder lines and short branching

circuits and lighting systems in large buildings.

Do not use the multimeter to measure ranges that fall into the

category IV!

Warning:

Use the M0230 multimeter only in the manner specied below. Other

uses may cause damage to the device or endanger your health.

Comply with the following instructions:

• Before measuring resistance, diodes or current, disconnect the

circuits from the power supply and discharge any high-voltage

capacitors. Use a function appropriate for the given measure-

ment. Before changing the range (or switching functions) dis-

connect the conductors from the circuit that is being measured.

• Make sure the device is undamaged before you begin using the

multimeter. If you nd obvious signs of damage on the body of

the device, do not make any measurements! Check that the

surface of the multimeter does not have scratches and that the

side joints are not coming apart.

• Also check the insulation on the measuring probes. Damaged

insulation may result in injury by electric current. Do not use

damaged measuring probes!

• Do not measure voltages above 600 V! If you intend to measure

current, check the multimeter‘s fuse and turn o the power

supply to the circuit before you connect the multimeter. Before

measuring, make sure the circular switch for setting measuring

range is in the correct position. Under no circumstances should

you make any changes to the measuring range (by moving the

circular switch for changing measuring programmes) while

measuring! Doing so could damage the device. When you are

measuring, rst connect the black conductor (probe) and then

the red conductor (probe). When disconnecting the testing

conductors, disconnect the red one rst.

• If you nd that the multimeter is making abnormal measure-

ments, stop using it. The fuse may be damaged. If you are unsure

of the cause of the defect, contact a service centre.

• Do not measure voltages higher than listed on the front panel

of the multimeter. Risk of injury by electric current or damage

to the multimeter!

• Check that the multimeter is working properly before use. Test

on a circuit with known electrical values.

• Before you connect the multimeter to a circuit you intend to

measure, turn o the power to the circuit.

• Do not use or store the multimeter in environments with high

temperature, dust or humidity. It is also not recommended to

use the device in environments with potentially strong magnetic

elds or risk of explosion or re.

• When changing parts of the multimeter (e.g. the battery or fuse)

use spare parts of the same type and specications. Change

parts only when the multimeter is disconnected and turned o.

• Disconnect the testing conductors from the tested circuit before

opening the rear casing of the device.

• Do not alter or otherwise interfere with the internal circuitry

of the multimeter!

• Be extra careful when measuring voltages higher than 30 V AC

rms, 42 V peak or 60 V DC. Risk of injury by electric current!

• When using measuring tips, make sure you are holding them

behind the nger barriers.

• Do not perform measurements if the multimeter‘s casing is

removed or loose.

• Once the screen shows the low battery icon , replace the

batteries. Otherwise, subsequent measurements may be in-

accurate. Incorrect measurements may then result in injuries

by electric current! Use alkaline batteries only; do not use

re-chargeable batteries.

Maintenance Instructions

Attention

Do not attempt to repair or modify the multimeter in any way if you

are not qualied to do so or do not have access to the necessary

calibration equipment. Make sure that water does not get into the

multimeter – prevents injury by electric current!

• Disconnect the measuring tips from the tested circuit before

opening the casing of the multimeter.

• Regularly clean the body of the multimeter with a moist cloth and

a mild detergent. Perform cleaning only when the multimeter is

disconnected and turned o.

• Do not use solvents or abrasive agents for cleaning!

• If you will not be using the multimeter for an extended period

of time, turn it o and remove the battery.

• Do not store the multimeter in places with high humidity and

temperature or in environments with strong magnetic elds!

Changing Batteries

When the symbol appears on the screen, it indicates the bat-

teries are close to depletion and must be immediately replaced. To

replace the batteries, unfasten the screw at the rear of the casing

and remove the casing. Replace the at batteries with new ones of

the same type (1.5 V, AAA) and make sure to observe the correct

polarity. Replace the rear casing.

Electrical Symbols

Alternating current (AC)

Direct current (DC)

Alternating and direct current (AC/DC)

Warning symbol, hazard. Pay particular attention to sections of

the manual marked with this symbol.

Risk of injury by electric current

Fuse

Earthing

Double insulation

The product complies with applicable EU standards

Batteries low

Continuity test

°C Celsius temperature unit

°F Fahrenheit temperature unit

Automatic switch-o (15 minutes)

Data hold

Description of the Device (see Fig. 1)

The M0230 is a compact, 3 ½ digit, digital multimeter with manual

range adjustment for measuring DC and AC voltage, DC and AC

current, resistance and temperature, and for testing continuity

and diodes.

1 – protective casing

2 – screen

3 – select button

4 – hold button

5 – circular switch for changing measuring range/choosing a

function

6 – INPUT socket – for the plug at the end of the red (positive)

tipped measuring conductor for measuring voltage, resistance,

diodes, continuity, temperature and current up to 200 mA

7 – COM socket – for the plug at the end of the black (negative)

tipped measuring conductor

8 – 10 A socket – for the plug at the end of the red (positive) tipped

measuring conductor for measuring current in a current range

of 10 A AC/DC

9 – removing the probe cover

Technical Information

Screen: 3 ½ digit LCD with a maximum displayable value of 1,999

Negative polarity indication: the screen automatically displays „-“

Overload indication: the screen displays „OL“

Reading frequency: approx. 2× a second

Temperature measurement range: -40°C to 1,370°C

(-40°C to 300°C with the enclosed thermocouple)

Power supply: 3× 1.5 V AAA batteries

Operating temperature: 0°C to 40°C, relative humidity < 80%

Storage temperature: -10°C to 50°C, relative humidity < 85%

Dimensions: 155 × 75 × 35 mm

Weight: 232 g including battery

Measurement Accuracy

Accuracy is specied for the duration of one year after calibration

and at a temperature of 23°C (±5°C) and air humidity up to 80%.

Accuracy specications are:

±[(% of reading) + (lowest valid digits)]

DC Voltage

Range Resolution Accuracy

2 V 1 mV

±(0.8% + 5)20 V 10 mV

200 V 100 mV

600 V 1 V ±(1% + 5)

Overload protection: 600 V DC or 600 V rms

AC Voltage

Range Resolution Accuracy

200 V 100 mV ±(1.2% + 8)

600 V 1 V

Frequency range: 40 Hz to 400 Hz

Maximum input voltage: 600 V AC or 600 V rms

Response: True RMS, corresponding to a calibrated eective value

of a sine wave.

Direct Current (DC)

Range Resolution Accuracy

200 mA 100 µA

±(1.2% + 8)2 A 1 mA

10 A 10 mA

Overload protection:

200 mA range: 500 mA/600 V fuse, type F, Ø 5 × 20 mm.

2 A and 10 A range: 10 A/600 V fuse, type F, Ø 5 × 20 mm.

Maximum input current: INPUT socket max. 200 mA; A socket

max. 10 A (when measuring current above 5 A; the measurement

duration must be max. 10 seconds and further measurement may

only be made after 15 minutes)

Voltage drop: 200 mV for 200 mA/10 A range, 20 mV for 2 A range

Alternating Current (AC)

Range Resolution Accuracy

200 mA 100 µA ±(1.5% + 10)

2 A 1 mA ±(2% + 10)

10 A 10 mA

Overload protection:

200 mA range: 500 mA/600 V fuse, type F, Ø 5 × 20 mm.

2 A and 10 A range: 10 A/600 V fuse, type F, Ø 5 × 20 mm.

Maximum input current: INPUT socket max. 200 mA; A socket

max. 10 A (when measuring current above 5 A; the measurement

duration must be max. 10 seconds and further measurement may

only be made after 15 minutes)

Frequency range: 40 Hz to 400 Hz

Response: True RMS, corresponding to a calibrated eective value

of a sine wave.

Voltage drop: 200 mV for 200 mA/10 A range, 20 mV for 2 A range

Resistance

Range Resolution Accuracy

200 Ω 0.1 Ω

±(1% + 10)

2 kΩ 1 Ω

20 kΩ 10 Ω

200 kΩ 100 Ω

2 MΩ 1 kΩ

Overload protection: 250 V DC/AC rms

Battery Test

Range Resolution Electrical load

1.5 V 1 mV approximately 20 mA

9 V 10 mV approximately 5 mA

Continuity Test

Symbol Description Note

The built-in buzzer will ring

constantly if resistance is lower

than 50 Ω.

Voltage of an

open circuit:

approximately 1 V

Overload protection: 250 V DC/AC rms

Diode Test

Symbol Description Note

The approximate voltage of

the diode in the direction of

the current ow will appear

on the screen.

Voltage of an open

circuit: approximately

2.2 V

Overload protection: 250 V DC/AC rms

Temperature Measurement

Range Resolution Accuracy

-40°C to 150°C 1°C ±(1% + 4)

150°C to 1,370°C ±(1.5% + 15)

-40 °F to 302 °F 1 °F ±(1% + 4)

302 °F to 1,999 °F ±(1.5% + 15)

Measuring outside of the range may damage the thermocouple and

result in major deviations in measurement accuracy.

DATA HOLD function

After the button is pressed, the currently measured value will

remain on the screen and a icon will appear. Pressing the button

again will cancel the function and the icon will disappear.

Screen Illumination

Long-pressing the button illuminates the screen for approx.

15 seconds; illumination then turns o again automatically.

Operating Procedure

AC Voltage/DC Voltage Measurement

Connect the plug of the black (negative) tipped measuring conductor

into the COM socket and the plug of the red (positive) conductor for

measuring voltage into the INPUT socket. Use the circular switch

to select the DC voltage function, marked with the symbol, or

the AC voltage function, marked with the symbol. Select the

voltage range.

Place the measuring tips onto to spot you want to measure. The

voltage value and polarity (for DC voltage) will appear on the screen.

If you do not know the voltage range beforehand, set the largest

possible range and gradually reduce it as you measure. Connect the

measuring tips to the device or circuit where you will be measuring

voltage. Turn on the device you want to measure. The voltage value

will appear on the screen.

Note: To prevent electric shock and damaging the device, do not

connect the multimeter to voltages higher than 600 V.

Alternating Current/Direct Current Measurement

Note:

When measuring current up to 200 mA, connect the plug of the black

(negative) tipped measuring conductor into the COM socket and the

plug of the red (positive) for measuring voltage into the INPUT socket.

Switch to the function marked as and select the range. Repeat-

edly pressing the Select button switches between measuring direct

current (DC) or alternating current (AC). When measuring current up

to 10 A, rst select the 10 A measuring range and then connect the

plug of the black (negative) tipped measuring conductor into the COM

socket and the plug of the red (positive) for measuring voltage into

the A socket. If you do not know the current range beforehand, set

the highest range possible and gradually reduce it as you measure.

Connect the measuring tips to the device or circuit where you will

be measuring current. Turn on the device you want to measure. The

screen will display the current value and polarity (for DC) relative

to the red measuring tip.

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