Mercury MTN01 User manual
Please read this manual thoroughly and ensure
all contents are fully understood before use of
the apparatus.
WARNING
MTN01 Network
Digital Multimeter
Item Ref:
600.105UK
EN61010–1:2010
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To avoid possible electric shock or personal injury, and to
avoid possible damage to the Meter or to the equipment
under test, please adhere to the following rules:
•Before using the Meter inspect the case. Do not
use the Meter if it is damaged or the case (or part
of the case) is removed. Look for cracks or missing
plastic. Pay attention to the insulation around the
connectors.
•Inspect the test leads for damaged insulation or
exposed metal. Check the test leads for continuity.
•Do not apply more than the rated voltage, as
marked on the meter, between the terminals or
between any terminal and grounding.
•The rotary switch should be placed in the right
position and no changeover of range should be
made during measurements being conducted to
prevent damage of the Meter.
•When the meter is working at an effective voltage
over 60V in DC or 30Vrms in AC, special care
should be taken due to danger of electric shock.
•Use the proper terminals, function, and range for
your measurements.
•Do not use or store the meter in an environment of
high temperature, humidity, explosive,
inflammable, and strong magnetic fields. The
performance of the meter may deteriorate after
being exposed to moisture.
•When using the test leads always keep your
fingers behind the finger guards.
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•Disconnect circuit power and discharge all
high-voltage capacitors before testing resistance,
continuity, diodes or hFE.
•Replace the battery as soon as the battery
indicator appears. With a low battery, the
meter may produce false readings that can lead to
electric shock and personal injury.
•Remove the connection between the testing leads
and the circuit being tested and turn the meter
power off before opening the meter case.
•The internal circuit of the meter should not be
altered at will to avoid damage of the meter and
accidents.
•A soft cloth and mild detergent should be used to
clean the surface of the meter on a regular basis.
No abrasives or solvents should be used to prevent
the surface of the meter from corrosion, damage
and accidents.
•The meter is suitable for indoor use only.
•Turn the meter power off when it is not in use and
take out the battery when you are not using for a
long period of time. Check the battery on a regular
basis as it may leak when it has been out of use
and replace as soon as any leaks appear to
prevent damage to the meter.
•The cable tester should not be used on any
electrified product.
•Do not use the cable tester on any network cable
where the copper wire connectors are not fully
pressed to avoid damage to the unit.
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•Any end not notified as 6P6C cannot be used to
test telephone cables. As any disobeys may also
cause damage to the unit.
•Always use the correct quality tools to press the
network cables.
General Specifications
Max display: LCD 3 ½ digits (1999 count) 0.5” high
Polarity: Automatic, indicated minus, assumed plus.
Measure method: double integralA/D switch
implement.
Sampling speed: 2 times per second
Over-load indication: “1” is displayed
Cable test: RJ11, RJ12 and RJ45
Operating Environment: 0℃~40℃, at <80%RH
Storage Environment: -10℃~50℃, at <85%RH
Power: 9V NEDA 1604 or 6F22
Low battery indication: “ ”
Static electricity: about 4mA
Product Size: 126 x 70 x 26mm
Product net weight: 108g (including battery)
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Technical Specifications
Accuracies are guaranteed for 1 year, 23℃±5℃, less
than 80%RH
DC VOLTAGE
OVERLOAD PROTECTION: 220V rms AC for 200mV range
and 500V DC or 500Vrms for all ranges.
AC VOLTAGE
RESPONSE: Average responding, calibrated in rms of a
sine wave.
FREQUENCY RANGE: 45Hz ~ 450Hz
OVERLOAD PROTECTION: 1000V DC or 750V rms for all
ranges.
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AUDIBLE CONTINUITY
RANGE DESCRIPTION
Built-in buzzer sounds if resistance is
less then 30±20Ω
OVERLOAD PROTECTION:15 seconds maximum
220Vrms.
DC CURRENT
OVERLOAD PROTECTION: 500mA 250V fuse (10A range
infused).
MEASURING VOLTAGE DROP: 200mV
RESISTANCE
RANGE RESOLUTION ACCURACY
200Ω 0.1Ω ±(1.0% of rdg +10D)
2000Ω 1Ω
20KΩ 10Ω
200KΩ 100Ω
2000KΩ 1KΩ
±(1.0% of rdg +4D)
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MAXIMUM OPEN CIRCUIT VOLTAGE: 3V.
OVERLOAD PROTECTION: 15 seconds maximum
220Vrms.
OPERATING INSTRUCTIONS
DC & AC VOLTAGE MEASUREMENT
1. Connect red test lead to “VΩmA” jack, Black lead to
“COM” jack.
2. Set RANGE switch to desired VOLTAGE position, if the
voltage to be measured is not known beforehand, set
the switch to the highest range and reduce it until a
satisfactory reading is obtained.
3. Connect test leads to device or circuit being
measured.
4. Turn on power of the device or circuit being measured
and the voltage value will appear on the Digital
Display along with the voltage polarity.
DC CURRENT MEASUREMENT
1. Red lead to “VΩmA”. Black lead to “COM” (for
measurements between 200mA and 10A connect red
lead to “10A” jack with fully depressed.)
2. Set RANGE switch to desired DCA position.
3. Open the circuit to be measured, and connect test
leads in SERIES with the load and with current to
measure.
4. Read current value on Digital Display.
5. Additionally, “10A” function is designed for
intermittent use only. Maximum contact time of the
test leads with the circuit is 15 seconds, with a
minimum intermission time of 15 mins between tests.
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RESISTANCE MEASUREMENT
1. Red lead to “VΩmA”. Black lead to “COM”.
2. Set RANGE switch to desired Ωposition.
3. If the resistance being measured is connected to a
circuit, turn off the power and discharge all capacitors
before measurement.
4. Connect test leads to circuit being measured.
5. Read resistance value on Digital Display.
DIODE MEASUREMENT
1. Red lead to “VΩmA”, Black lead to “COM”.
2. Set RANGE switch to “ ” position.
3. Connect the red test lead to the anode of the diode to
be measured and black test lead to cathode.
4. The forward voltage drop in mV will be displayed. If
the diode is reversed, the figure “1” will be shown.
TRANSISTOR hFE MEASUREMENT
1. Set RANGE switch to the hFE position.
2. Determine whether the transistor is PNP of NPN type
and locate the Emitter, Base and Collector leads.
Insert the leads into the proper holes of the hFE
Socket.
3. The meter will display the approximate hFE value at
the condition of base current 10μA and VCE2.8V.
AUDIBLE CONTINUITY TEST
1. Red lead to “VΩmA”, Black lead to “COM”.
2. RANGE switch to “ ” position.
3. Connect test leads to two points of circuit to be tested.
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If the resistance is lower then 30Ω±20Ω, the buzzer
will sound.
CABLE TESTING (eg double twisted cables)
1. Insert cables to be tested into both main unit and
remote tester sockets and turn the RANGE switch to
AUTO.
2. The LED’s on both units should illuminate in sequence
from 1 through to G for RJ45 cables and 1 through to 6
for RJ11 cables as below.
Main unit: 1-2-3-4-5-6-7-8-G (RJ45)
Remote unit: 1-2-3-4-5-6-7-8-G
Main unit: 1-2-3-4-5-6 (RJ11)
Remote unit: 1-2-3-4-5-6
FAULT DESCRIPTIONS
1. If one cable is open circuit eg. no.3 then the no.3 LED
on both units wont illuminate.
2. If a number of cables are open circuit then those
number LED’s wont illuminate. If less than 2 cables are
connected properly, none of the LED’s will illuminate.
3. If 2 cables are connected in the wrong order then the
LED’s will illuminate in the same incorrect order. Eg. If
no.2 and no.4 are twisted then the 2 displays will read as
below:
Main unit: 1-2-3-4-5-6-7-8-G (RJ45)
Remote unit: 1-4-3-2-5-6-7-8-G
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4. If two cables are short circuited the corresponding
LED’s on the remote unit wont illuminate. If 3 or more
cables are short circuited then none of the LED’s on
the remote unit will illuminate.
BATTERY AND FUSE REPLACEMENT
Fuses rarely need replacement and blow almost always
because of operator error.
If “ ” appears in display, it indicates that the battery
should be replaced.
To replace battery & Fuse (F500mA/250V for mA terminal
and F5A/250V for 5A terminal) remove the 2 screws in
the bottom of the case, simply remove the old, and
replace with a new one. Be careful to observe polarity.
ACCESSORIES
•Operator’s instruction manual
•Set of test leads (red and black)
•9-volt battery, NEDA 1604 6F22 type
This product is classed as Electrical or Electronic equipment and should not be
disposed with other household or commercial waste at the end of its useful life.
The goods must be disposed of according to your local council guidelines.
Errors and omissions excepted.
Copyright© 2021 AVSL Group Ltd, Unit 2 Bridgewater Park,
Taylor Road, Trafford Park, Manchester. M41 7JQ.
AVSL (Europe) Ltd, Unit 3D North Point House,
North Point Bus. Park, New Mallow Road, Cork, Ireland.
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