Edison MNT070 Manuel utilisateur

OPERATING MANUAL

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ORDER CODE: EDI-516-3600K

MODEL MNT070

Digital Multimeter and Network

Maintenance Tester

5163600K_Instructions.qxd 17/09/2009 15:14 Page 1

CONTENT

1. GENERAL INSTRUCTIONS ......................................................................................2

2. DESCRIPTION ..........................................................................................................4

3. OPERATING INSTRUCTION ......................................................................................6

4. SPECIFICATIONS....................................................................................................10

5. MAINTENANCE ......................................................................................................12

6. PACK CONTENT ....................................................................................................13

GENERAL INSTRUCTIONS

This multimeter has been designed according to IEC1010 standards for

electronic measuring instruments with an over-voltage category (CAT II 1000V,

CAT III 600V) and pollution level 2.

To get the best service from this instrument, read carefully this user manual and

respect the detailed safety precautions.

1.1. Precautionary safety measures

Preliminary

• When using this multimeter, the user must observe all normal safety rules

concerning:

- Protection against the dangers of electric current.

- Protection of the multimeter against misuse.

• For your own safety, only use the test probes supplied with the instrument.

Before use, check that the meter and probes are in good condition.

During use

• DO NOT use the meter or test leads if they look damaged.

• Use the meter only as specified in this manual; otherwise, the protection

provided by the meter may be impaired.

• BEFORE EACH MEASUREMENT make sure the main function dial is at the

correct position. If the value scale is unknown, ALWAYS set the range dial at

the highest possible setting.

• To avoid damaging the instrument, DO NOT exceed the maximum input limits.

• CAUTION when working with voltages above 60V DC or 30V AC RMS. Such

voltages pose a shock hazard.

• NEVER exceed the protection limit values indicated in the specifications for

each range of measurement.

• DO NOT touch unused terminals when meter is linked to a circuit.

• Keep fingers behind the probe barriers while measuring.

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3 in 1 Digital Multimeter and Network Maintenance Tester

•

Before changing functions, disconnect the test leads from the circuit under

test.

• Before attempting to insert transistors for testing, always be sure that test

leads have been disconnected from any measurement circuits.

• Before measuring current, turn power ‘off’ to the circuit before connecting the

meter to the circuit.

• To avoid the wrong reading or even electric shocks, when the symbol

appears you must change the battery.

• When carrying out measurements on TV or switching power circuits, always

remember that there may be high amplitude voltage pulses at the test points

which may damage the meter.

• NEVER perform resistance measurements on live circuits.

1.2. Symbols

Symbols used in this manual and on the instrument:

CAUTION: Refer to the instruction manual. Incorrect use may result

in damage to the device or its components.

Earth.

This instrument has double insulation.

Fuse: F 500mA/250V.

1.3 Maintenance

• Before opening up the multimeter, always turn OFF the device, disconnect

from all sources of electric current and make sure you are not charged with

static electricity, which may destroy internal components.

• Any adjustment, maintenance or repair work carried out on the meter while it

is live should only be carried out by a qualified person.

• If the meter is not going to be used for a long time, take out the battery and do

not store the meter in high temperature or high humidity environment.

• For continuous protection against fire, replace fuse only with the specified

voltage and current rating: F500mA/250V.

• NEVER use the meter unless the back cover and battery cover are in place and

fastened fully.

5163600K_Instructions.qxd 17/09/2009 15:14 Page 3

DESCRIPTION

2.1 Functions

The 3 in 1 digital multi-tester has been designed to combine the functions of

Digital Multimeter, Telephone Line Tester and Network Cable Tester.

• DC voltage measurement, 5 ranges from 200mV to 1000V

• AC voltage measurement, 5 ranges from 200mV to 700V

• DC/AC current measurement, 5 ranges from 200ΩA to 10A

• Resistance measurement, 7 ranges from 200Ωto 200MΩ

• Diode test

• Audible continuity test

• Battery test: 1.5/6/9V

• Telephone Line test (RJ11)

• Network Cable test (RJ45)

2.2 Names of components

HOLD button - fixes the display data (only for multimeter)

AC/DC button - DC (switch up) [default] / AC (switch down)

LIGHT button - Back light key

TEST button - Cable tester/Resent

Rotary Dial - This dial is used to select functions and desired ranges.

LCD Display - W53 x H32mm (21/4” x 11/4”) LCD screen.

2.3 Terminals (footer of multimeter)

10A - Terminal receiving RED lead for 10A measurement.

mA - Terminal receiving RED lead for mA measurement.

COM - Terminal receiving the BLACK lead as a common reference.

VΩΩ- Terminal receiving the RED lead for voltage, resistance, capacitance, diode

and continuity measurements and frequency.

11..RJ11 test jack

22..RJ45 test jack

33..RJ45 jack (Remote)

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3 in 1 Digital Multimeter and Network Maintenance Tester

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OPERATING INSTRUCTION

Measuring Voltage

11..Connect the Black test lead to the CCOOMMjack and the Red test lead to the VVΩΩjack.

22..Set the rotary dial to your desired 'VV' range position and connect the test leads

to the source or load being measured.

33..If you push down the 'AACC//DDCC' button when testing is active the measurement

will be converted from DC to AC range.

44..If you need to hold the reading, press the 'HHOOLLDD' button and if you press it

again the held data will be released.

55..When only the figure '1' is displayed, it indicates an overrange situation and

a higher range needs to be selected.

Measuring Current

11..Connect the Black test lead to the CCOOMMjack and the Red test lead to the mmAA

jack for a maximum of 200mA. For a maximum of 10A, move the Red lead to

the 1100AAjack.

22..Set the rotary dial to your desired 'AA' range position and connect test leads to

the load under measurement.

33..If you push down the 'AACC//DDCC' button when testing is active the measurement

will be converted from DC to AC range.

44..If you need to hold the reading, press the 'HHOOLLDD' button and if you press it

again the held data will be released.

55..When only the figure '1' is displayed, it indicates an overrange situation and

a higher range needs to be selected.

Testing Diode/Continuity

11..Connect the Black test lead to the CCOOMMjack and the Red test lead to the VVΩΩ

jack. (NOTE: The polarity of red lead connection is positive '+').

22..Set the rotary dial to your position and connect the Red lead to the anode,

the Black lead to the cathode of the diode under testing. The meter will show

the approx. voltage drop of the diode. If the lead connection is reversed, figure

'1' will be displayed. If this continues (i.e. resistance is less than about 70Ω),

a buzzer will sound.

Measuring Resistance

11..Connect the Black test lead to the CCOOMMjack and the Red test lead to the VVΩΩ

jack. (NOTE: The polarity of red lead connection is positive '+').

22..Set the rotary dial to your desired ΩΩrange position and connect test leads

across the resistance under measurement.

33..Read LCD display.

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3 in 1 Digital Multimeter and Network Maintenance Tester

NNOOTTEE::

• If the resistance is above 1MΩΩ, the meter may take a few seconds to stabilise

the reading.

• When the input is not connected, i.e. at open circuit, the figure '1' will be

displayed for the overrange condition.

• When checking the circuit resistance, be sure the circuit under test has all

power removed and all capacitors are fully discharged.

• At 200MΩΩrange display is 10 counts when test leads are shorted. These

counts have to be subtracted from measuring results. For example, when

measuring 100MΩΩresistance, the reading will be 101.0 and the correct

measuring result should be:

101.0 - 1.0 = 100.0 MΩΩ.

Testing Batteries

• Connect the Black test lead to the COM jack and the Red test lead to the VΩΩjack.

• Set the rotary dial at your desired 'BAT' range position and connect test leads

across the battery.

Testing Telephone Line (RJ11)

11..Connect the RRJJ1111test jack to one end of the telephone line to be tested.

22..Connect the UUAAXX(Telephone Unit Automatic Exchange) to the other end of the line.

33..Push the 'TTEESSTT' button to start testing.

Testing Network Cable (RJ45)

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• The network cable tester is suitable for T168A, T568B, 10Base-T and Token

Ring and will check a fault condition before detecting other fault conditions.

• The detection and indication of the presence of a fault is handled on a

"one-per-test" basis. Once a fault is corrected, it is recommended the cable be

tested again for other faults.

•OOPPEENN- If there is no 'OOPPEENN' indication. A typical cable may have 2, 3, or 4

pairs. 'OPENS' are displayed as an unlit symbol. The user will determine if a

pair is present and continuous or 'OPEN' will by comparing the illuminated

symbol to the expected number of pairs that should be good.

POSITION 1.5V 6V 9V

LOAD 27Ω68Ω100Ω

5163600K_Instructions.qxd 17/09/2009 15:14 Page 7

•SHO. - A short circuit condition exists ((FFiigg..11)).

Fig 1 - SHORT

•MIS. - Indicates the improper assignment of individual wire pairs to pins for

the wiring schemes tested ((FFiigg..22)).

Fig 2 - MISWIRE

•REV. - Reverse wiring means the pin for one wire in a pair is connected to the

opposite pin for the pair in the remote jack ((FFiigg..33)).

Fig 3 - REVERSED

•SPL. - Split pairs occur when the tip ('+' conductor) and ring ('-' conductor) of 2

twisted pairs are interchanged ((FFiigg..44)).

Fig 4 - SPLIT PAIRS

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3 in 1 Digital Multimeter and Network Maintenance Tester

•PASS - No problems found, a passed circuit ((FFiigg..55)).

Fig 5 - RIGHT (PASS)

• Connect the RJ45 test jack to one end of the cable to be tested.

• Connect the remote unit to the other end of the cable.

• Push the 'TEST' button to perform test.

EExxaammpplleess::

11..The cable fault is a Short on Pair 11--22and PPaaiirr33--66,,the LCD status will be as

follows: PPaaiirr11--22,,PPaaiirr33--66,,PPaaiirr44--55,,PPaaiirr77--88,,SSHHIIEEand SSHHOOwill display at the

same time.

22..Push the 'TTEESSTT' button again, PPaaiirr11--22,,PPaaiirr33--66and SSHHOOwill display.

33..Continue to Push the 'TTEESSTT' button, the next pairs will display.

5163600K_Instructions.qxd 17/09/2009 15:14 Page 9

SPECIFICATIONS

• Accuracy is specified for a period of 1 year after calibration and at 18°C to

28°C (64°F to 82°F) with relative humidity to 80%.

General

Voltages

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AACCVVoollttaaggee

• Input Impedance: 10MΩ.

• Frequency Range: 40Hz to 400Hz (for AC).

• Response: Average, calibrated in rms of sine wave.

Current

DC Current

MAXIMUM VOLTAGE 1000V DC or 700V AC

FUSE PROTECTION mA: F 200mA/250V 10A: no

POWER SUPPLY 9V battery, NEDA 1604 or 6F22

OPERATING TEMPERATURE 0°C to 40°C (32°F to 104°F)

STORAGE TEMPERATURE -10°C to 50°C (14°F to 122°F)

RANGE RESOLUTION ACCURACY

200mV 0.1V ±(1.2% rdg ±3 digits)

2V 1mV

20V 10mV ±(0.8% rdg ±3 digits)

200V 100mV

700V 1V ±(1.2% rdg ±5 digits)

RANGE RESOLUTION ACCURACY

200µA 0.1µA

2mA 1µA ±(0.8% rdg ±3 digits)

20mA 10µA

200mA 100µA ±(1.5% rdg ±2 digits)

10A 10mA ±(2.0% rdg ±5 digits)

RANGE RESOLUTION ACCURACY

200mV 0.1V

2V 1mV

20V 10mV ±(0.8% rdg ±2 digits)

200V 100mV

1000V 1V ±(1.2% of rdg ±3 digits)

5163600K_Instructions.qxd 17/09/2009 15:14 Page 10

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