Velleman DVM040 User manual

DVM040
CATIII 1000V –CATIV 600V
USER MANUAL 3
HANDLEIDING 20
MODE D'EMPLOI 38
BEDIENUNGSANLEITUNG 56
MANUAL DEL USUARIO 74
INSTRUKCJA OBSŁUGI 92
MANUAL DO UTILIZADOR 110

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V. 01 –04/05/2023 2 ©Velleman Group nv

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V. 01 –04/05/2023 3 ©Velleman Group nv
USER MANUAL
1. Introduction
To all residents of the European Union
Important environmental information about this product
This symbol on the device or the package indicates that disposal
of the device after its lifecycle could harm the environment. Do
not dispose of the unit (or batteries) as unsorted municipal
waste; it should be taken to a specialized company for recycling.
This device should be returned to your distributor or to a local
recycling service. Respect the local environmental rules.
If in doubt, contact your local waste disposal authorities.
Thank you for choosing Velleman! Please read the manual thoroughly before
bringing this device into service. If the device was damaged in transit, do
not install or use it and contact your dealer.
2. Symbols
AC (Alternating Current)
DC (Direct Current)
Both AC and DC
Risk of Electric shock. A potentially hazardous voltage is
possible.
Caution: risk of danger, the manual must be consulted in all
cases where this symbol is marked.
Warning: a hazardous condition or action that may result in
injury or death
Caution: condition or action that may result in damage to the
meter or equipment under test
Double insulation (class 2-protection)
Earth
Fuse
Capacitor
Diode

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Continuity
3. General Guidelines
Refer to the Velleman®Service and Quality Warranty on the last pages of
this manual.
This symbol indicates: Read instructions
Not reading the instructions and manual can lead to damage,
injury or death.
This symbol indicates: Danger
A hazardous condition or action that may result in injury or
death.
This symbol indicates: Risk of danger/damage
Risk of a hazardous condition or action that may result in
damage, injury or death.
This symbol indicates: Attention; important information
Ignoring this information can lead to hazardous situations.
WARNING: To avoid electrical shock always disconnect the test
leads prior to opening the housing. To prevent fire hazards, only
use fuses with the same ratings as specified in this manual.
Remark: refer to the warning on the battery compartment.
Avoid cold, heat and large temperature fluctuations. When the
unit is moved from a cold to a warm location, leave it switched
off until it has reached room temperature. This to avoid
condensation and measuring errors.
Protect this device from shocks and abuse. Avoid brute force
when operating.
Pollution degree 2-device. For indoor use only. Keep this device
away from rain, moisture, splashing and dripping liquids. Not for
industrial use. Refer to §8 Pollution degree.
Keep the device away from children and unauthorised users.
Risk of electric shock during operation. Be very careful when
measuring live circuits.

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There are no user-serviceable parts inside the device.
Refer to an authorized dealer for service and/or spare parts.
This is an installation category CAT III & CAT IV
measuring instrument. Refer to §7 Overvoltage/installation
category.
Read this addendum and the manual thoroughly. Familiarise
yourself with the functions of the device before actually using it.
All modifications of the device are forbidden for safety reasons.
Damage caused by user modifications to the device is not
covered by the warranty.
Only use the device for its intended purpose. Using the device in
an unauthorized way will void the warranty. Damage caused by
disregard of certain guidelines in this manual is not covered by
the warranty and the dealer will not accept responsibility for any
ensuing defects or problems.
4. Maintenance
There are no user-serviceable parts inside the device.
Refer to an authorized dealer for service and/or spare parts.
Before performing any maintenance activities, disconnect the test leads
from the jacks.
For instructions on replacing battery or fuse, refer to §11 Battery and fuse
replacement.
Do not apply abrasives or solvents to the meter. Use a damp cloth and mild
detergent for cleaning purposes.
5. During Use
Risk of electric shock during operation. Be very careful when
measuring live circuits.
•If the equipment is used in a manner not specified by the
manufacturer, the protection provided by the equipment may be
impaired.
•Never exceed the limit value for protection. This limit value is
listed separately in the specifications for each range of
measurement.
•Do not touch unused terminals when the meter is linked to a
circuit which is being tested.
•Never use the meter with CAT III installations when measuring
voltages that might exceed the safety margin of 1000 V above
earth ground.

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•Never use the meter with CAT IV installations when measuring
voltages that might exceed the safety margin of 600 V above
earth ground.
•Set the range selector at its highest position if the intensity of the
charge to be measured is unknown beforehand.
•Disconnect the test leads from the tested circuit before rotating
the range selector in order to change functions.
•When carrying out measurements on a TV set or switching power
circuits, always remember that the meter may be damaged by
any high amplitude voltage pulses at test points.
•Always be careful when working with voltages above 60 VDC or
30 VAC rms. Keep your fingers behind the probe barriers at all
times during measurement.
•Never perform resistance, diode or continuity measurements on
live circuits. Make sure all capacitors in the circuit are depleted.
6. General Description
Refer to the illustration on page 2 of this manual:
1. Non-contact Voltage (NCV) induction position
2. LED indicator
3. Illuminated LCD Display
4. Function buttons
5. Rotaty switch
6. “10A” jack
Insert the red test lead in this connector in order to measure a max.
current of 10 A.
7. “L/µA/mA” jack
Insert the red test lead in this connector in order to measure a max.
current of 500 mA.
8. “°C/°F VHz % C”jack
Insert the red (positive) test lead in this connector to measure voltage
and resistance.
9. “COM” jack
Insert the black (negative) test lead.
7. Overvoltage/Installation Category
DMMs are categorized depending on the risk and severity of transient
overvoltage that might occur at the point of test. Transients are short-lived
bursts of energy induced in a system, e.g. caused by lightning strike on a
power line.

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The existing categories according EN 61010-1 are:
CAT
I
A CAT I-rated meter is suitable for measurements on protected
electronic circuits that are not directly connected to mains power, e.g.
electronics circuits, control signals…
CAT
II
A CAT II-rated meter is suitable for measurements in CAT I-
environments and mono-phase appliances that are connected to the
mains by means of a plug and circuits in a normal domestic
environment, provided that the circuit is at least 10 m apart from a
CAT III- or 20 m apart from a CAT IV-environment. E.g. household
appliances, portable tools…
CAT
III
A CAT III-rated meter is suitable for measurements in CAT I- and
CAT II-environments, as well as for measurements on (fixed) mono-
or poly-phased appliances which are at least 10 m apart from of a
CAT IV-environment, and for measurements in or on distribution level
equipment (fuse boxes, lighting circuits, electric ovens).
CAT
IV
A CAT IV-rated meter is suitable for measuring in CAT I-, CAT II- and
CAT III-environments as well as on the primary supply level.
Note that for all measurements on equipment for which the supply
cables run outdoors (either overhead or underground) a CAT IV
meter must be used.
Warning:
This device was designed in accordance with EN 61010-1 installation
category CAT III 1000 V. This implies that certain restrictions in use apply
that are related to voltages and voltage peaks which can occur within the
environment of use. Refer to the table above.
This device is only suitable for measurements up to 1000 V in
CAT III or up to 600V in CAT IV
8. Pollution Degree
IEC 61010-1 specifies different types of pollution environments, for which
different protective measures are necessary to ensure safety. Harsher
environments require more protection, and the protection against the
pollution which is to be found in a certain environment depends mainly on
the insulation and the enclosure properties. The pollution degree rating of
the DVM indicates in which environment the device may be used.
Pollution
degree 1
No pollution or only dry, nonconductive pollution occurs. The
pollution has no influence. (only to be found in hermetically
sealed enclosures)

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Pollution
degree 2
Only nonconductive pollution occurs. Occasionally, temporary
conductivity caused by condensation is to be expected.
(home and office environments fall under this category)
Pollution
degree 3
Conductive pollution occurs, or dry nonconductive pollution
occurs that becomes conductive due to condensation that is
to be expected.
(industrial environments and environments exposed to
outside air - but not in contact with precipitation)
Pollution
degree 4
The pollution generates persistent conductivity caused by
conductive dust or by rain or snow. (exposed outdoor
environments and environments where high humidity levels
or high concentrations of fine particles occur)
Warning: This device was designed in accordance with EN 61010-1
pollution degree 2. This implies that certain restrictions in use apply that
are related to pollution which can occur within the environment of use. Refer
to the table above.
This device is only suitable for measurements in Pollution
degree class 2 environments.
9. Specifications
This device is not calibrated when purchased!
Regulations concerning environment of use:
Use this meter only for measurements in CAT I, CAT II, CAT III and CAT IV
environments (see §7).
Use this meter only in a pollution degree 2 environment (see §8).
Ideal working conditions include:
•temperature: 18 °C to 28 °C
•relative humidity: max. 80 % RH
•altitude: max. 2000 m (6560 ft)
Auto power off: automatically power off about 15 minutes after meter
switched on
Overload display: “OL”
Polarity display: negative “-“
Operating temperature: 0℃-40℃
Storage temperature: -10℃-60℃
Low battery indication:
test lead probe: CAT III 1000 V / CAT IV 600 V, L = 100 cm
Display Counts
2000 Counts
LCD Size (mm)
56 x 32
DC Voltage:
200mV / 2V / 20V / 200V / 1000V

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AC Voltage:
200mV / 2V / 20V / 200V / 750V
DC Current:
200μA / 2mA / 20mA / 200mA /2A / 10A
AC Current:
200μA / 2mA / 20mA / 200mA /2A / 10A
Resistance:
200Ω/ 2kΩ/ 20kΩ/ 200kΩ/ 2MΩ/ 20MΩ
/200M Ω
Range Select
Manual Range
Continuity Check
Yes
Diode Test
Yes
Data Hold
Yes
Battery Test (1.5V/3V/9V)
No
Over Range Indication
Yes
LED/flash Light
No
Backlight
Yes
Auto Power Off
Yes
Unit Icon Display
Yes
Low Battery Indication
Yes
Overrange Protection
Yes
NCV Detection
Yes
Live Wire Detection
Yes
True RMS Measurement
Yes
Battery
9V (6F22) x 1
Product Size (mm)
200x92x60
Product Weight (g)
230
Safety Category
CATIII 1000V / CAT IV 600V
IP rating
IP20
Fuses
Replaceable
F 0.50 A / 1000 V, 6.35 x 32 mm ceramic
F 10A / 1000V, 6.35 x 32 mm ceramic
9.1 DC & AC VOLTAGE
Input impedance:10MΩ
Maximum input voltage: 1000V DC or 750V AC RMS
Frequency range: 40Hz - 400Hz,
Display: TRUE RMS
Range
Resolution
DCV Accuracy
ACV Accuracy
200mV
100µV
±0.5%±3
±1.0%±5
2V
1mV
±0.8%±3
±1.0%±5
20V
10mV
±0.8%±3
±1.0%±5
200V
100mV
±0.8%±3
±1.0%±5
1000(750)V
1V
±1%±5
±1.2%±5

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9.2 DC & AC CURRENT
Overload protection: fuse F500mA/1000V for mA range
fuse F10A/1000V for 10A range
Frequency range: 40Hz - 400Hz, Display: TRUE RMS
Range
Resolution
DCA Accuracy
ACA Accuracy
200uA
0.1µA
±1.0%±5
±1.5%±5
2000uA
1µA
±1.0%±5
±1.5%±5
20mA
10µA
±1.0%±5
±1.5%±5
200mA
100µA
±1.0%±5
±1.5%±5
2A
1mA
±1.5%±10
±1.8%±15
10A
10mA
±1.5%±10
±1.8%±15
Overload protection:
F 0.50 A / 1000 V, 6.35 x 32 mm
F 10A / 1000V, 6.35 x 32 mm
9.3 RESISTANCE
Do not conduct resistance measurements on live
circuits
Range
Resolution
Accuracy
200Ω
0.1Ω
±0.8%±5
2kΩ
1Ω
±0.8%±5
20kΩ
10Ω
±0.8%±5
200kΩ
100Ω
±0.8%±5
2MΩ
1kΩ
±0.8%±5
20MΩ
10kΩ
±1.0%±10
200MΩ
0.1MΩ
±5%±10
Overload protection: 250 V DC or AC rms
9.4 DIODE AND CONTINUITY
Do not conduct diode or continuity measurements on live
circuits.

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range
description
display reads the approximate forward voltage of the diode
built-in buzzer sounds if resistance < 100 Ω
9.5 TEMPERATURE
Unit
Range
Resolution
Accuracy
℃
-20℃~ 0℃
1℃
±4℃
0℃~400℃
±(2.0%+3d)
400℃~1000℃
±(3.0%+3d)
℉
-4℉~50℉
1℉
±5℉
50℉~750℉
±(2.0%+5d)
750℉~1832℉
±(3.0%+5d)
9.6 INDUCTANCE
Range
Resolution
Accuracy
2mH
0.001mH
±(3.0% reading + 15 digits)
20mH
0.01mH
200mH
0.1mH
±(3.5% reading + 15 digits)
2H
0.001H
±(3.5% reading + 20 digits)
20H
0.01H
Overload protection: 36VDC or AC RMS
9.7 CAPACITANCE
Range
Resolution
Accuracy
10nF
0.01nF
±(4.0% reading + 25 digits)
100nF
0.1nF
±(4.0% reading + 15 digits)
1µF
0.001µF
10µF
0.01µF
100µF
0.1µF
1mF
1µF
±(5.0% reading + 25 digits)
10mF
10µF
100mF
100µF

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Overload protection: 250V DC or 250V AC RMS
Note: It is normal once the small value of capacitance dose not return zero,
deduct the readings during measurement for getting the accurate value.
9.8 FREQUENCY
Overload protection: 250 V DC or AC rms
10. Operation
10.1 DC + AC VOLTAGE MEASUREMENT
Do not measure circuits that may contain voltages > 1000 VDC or
> 750 VAC
Use extreme caution when measuring voltages higher than 60 VDC
or 30 VAC rms.
Always place your fingers behind the protective edges of the test
probes while measuring!
1. Insert the red test lead into “°C/°F VHz % mF” jack and insert
black test lead into “COM” jack.
2. Set the rotary switch to the voltage (V) position
3. Touch the black test probe tip to the negative side of the circuit; touch
the red test probe tip to the positive side of circuit.
4. Read the voltage in the LCD display. The polarity of red test lead
connection will be indicated when making DC Voltage measurement.
Notes
•Set the rotary switch to higher range if not known the current
range under test, and then lower down until the best accuracy.
•To avoid electrical shock and/or damage to the instrument, do
not attempt to take any voltage measurement that might exceed
750VRMS.
Range
Resolution
Accuracy
10Hz
0.01Hz
±(0.1% reading + 2 digits)
100Hz
0.1Hz
1kHz
0.001kHz
10kHz
0.01kHz
100kHz
0.1kHz
1MHz
0.001MHz
10MHz
0.01MHz

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•It is normal situation and no effect on measurement, once at mV
or V range, even without input or connect with test lead, meter
shows value in LCD.
•An over-range is indicated by OL or -OL. Set to a higher range.
10.2 DC CURRENT MEASUREMENT
Do not measure circuits that may contain voltages > 1000 VDC or
> 750 VAC
Use extreme caution when measuring voltages higher than 60 VDC
or 30 VAC rms.
Always place your fingers behind the protective edges of the test
probes while measuring!
1. Remove the power from the circuit under test and discharge the
capacitors of the circuit, set the rotary switch to current measuring
range.
2. Insert black test lead banana plug into the negative COM jack, for
current measurement less than 200mA insert the red test lead banana
plug into the µA/mA jack, for current measurement between 200mA to
10A insert the red test lead banana plug into 10A jack.
3. Break the circuit under test, connect the black test lead to the more
negative side of the break, and connect the red test lead to the more
positive side of break.
4. Turn on the power of circuit under test and read the value in LCD
display.
5. Turn off the power of circuit under test and discharge all capacitors,
remove the test leads and recover the measured circuit.
Notes
•To avoid damage to the meter, check the fuse of the meter
before current measurement.
•User the proper terminals, function and range for any current
measurement
•Never attempt an open circuit potential to earth is greater than
250V, do not place the test leads in parallel with a circuit or
component when the test leads are plugged into the current
terminals
•An over-range is indicated by OL or -OL. Set to a higher range.

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10.3 RESISTANCE MEASUREMENT
Do not conduct resistance measurements on live circuits. Make sure
all capacitors in the circuit are depleted. Remove the batteries and
unplug the line cords.
1. Set the rotary switch to the desired resistance (Ω) range.
2. Insert the black test lead banana plug into the negative COM jack,
insert the red test lead banana plug into the positive “°C/°F V
Hz % mF” jack.
3. Touch the test probe tips across the circuit or part under test. It is best
to disconnect one side of the part under test so the rest of the circuit
will not interfere with the resistance reading.
4. Read the resistance in the LCD display
Notes
•The measured value of a resistor in a circuit usually is different from the
rated value of resistor, it because the test current of the meter flows
through all possible paths between the probe tips.
•In order to ensure the best accuracy in measurement of low resistance,
connect both test leads before the measurement and subtract this
resistance value of the test leads.
•For high resistance measurement, the meter may take a few seconds to
stabilize the readings.
•In the open circuit, the meter display OL to indicate the over range
10.4 DIODE AND CONTINUITY TEST
Do not conduct diode or continuity measurements on live circuits.
Make sure all capacitors in the circuit are depleted.
1. Set the rotary switch to position
2. Insert the black test lead banana plug into the negative COM jack,
insert the red test lead banana plug into the positive “°C/°F V
Hz % mF” jack.
3. Place the red test lead on the anode of diode and black test lead on the
cathode of diode, the meter will show the approx. forward voltage of
diode, reverse voltage will indicate OL.
4. Touch the test probe tips to the circuit or wire you wish to check, the
max. value of resistance under check will be showed in display, if the
resistance is less than 100Ω, the audible signal will sound.

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Notes
•In a circuit, a good diode should produce a forward bias reading of
voltage, however, the reverse-bias reading can be variable based on
resistance of other pathways between the probe tips.
•To avoid electric shock, never measure continuity on circuits of wires
that with voltage.
10.5 INDUCTANCE MEASUREMENT
1. Set the rotary switch to desired inductance (L) range. Start with H
setting. If the value is less than 1 H, change to the mH setting.
2. Insert the black test lead banana plug into the negative COM jack and
the red test lead banana plug into the positive L µA/mA jack
3. Touch the black test lead tip to negative part of and red test lead tip to
the positive part of inductance being measured.
4. Read the inductance value in the LCD display.
Notes
•The test may take more time for large capacitors to charge, wait until
the readings settle before ending the test.
10.6 CAPACITANCE MEASUREMENT
Do not conduct capacitance measurements on live circuits. Make
sure all capacitors in the circuit are depleted.
1. Set the rotary switch to desired capacitance (C) range.
2. Insert the black test lead banana plug into the negative COM jack,
insert the red test lead banana plug into the positive “°C/°F V
Hz % mF” jack.
3. Touch the test leads to the capacitor to be tested and read the
capacitance value in the display.

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Notes
•The test may take more time for large capacitors to charge, wait until
the readings settle before ending the test.
•To improve the accuracy of measurement less than 10nF, subtract the
residual capacitance of the meter and test leads.
10.7 FREQUENCY MEASUREMENT
To avoid electric shock, do not apply more than 250V DC or 250V
AC rms before taking frequency measurement.
1. Set the rotary switch to desired frequency (Hz) range.
2. Insert the black test lead banana plug into the negative COM jack and
the red test lead banana plug into the positive (Hz) jack.
3. Touch the test lead tips to the circuit under test.
4. Read the frequency value in the LCD display.
10.8 NCV (NON-CONTACT VOLTAGE) DETECTION
Due to external interference source, this function may cause wrong
voltage detection, the detection result is for reference only.
1. Remove the test leads and set the rotary switch to NCV position and
LCD display EF, contact the top part of meter with the circuit under
test, the indicating LED will flash and audible signal will sound, the
signal strength showed in LCD display.
Notes
•The detection result is for reference, do not determine the voltage by
NCV detection ONLY.
•Detection may interfere by socket design, insulation thickness and
other variable conditions.
•The external interference sources, such as flashlight, motor, etc, may
cause the wrong detection.
10.9 LINE (LIVE WIRE RECOGNITION) TEST
1. Set the rotary switch to NCV position, connect the red test lead to
“°C/°F VHz % mF” jack. Contact the red test lead to live wire,
the buzzer of meter will be activated and red LED will be flickered,

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when the red test lead connect the earth line, the buzzer does not
sound and LED will not flicker.
Notes
•When the circuit is in serious leakage (approx. over 15V), the red test
lead even contact earth line, the buzzer of meter will be sounded and
LED will be flickered.
10.10 MAX/MIN
1. Press the MAX/MIN button to activate the MAX/MIN recording mode,
the display icon "MAX" will appear, the meter will display and hold the
maximum reading and will update only when a new "max" occurs. This
display icon "MIN" will appear, the meter will display and hold the
minimum reading and will update only when a new "min" occurs.
2. To exit MAX/MIN mode press and hold MAX/MIN button for 2 seconds.
10.11 RELATIVE MODE
The relative measurement feature allows you to make measurements
relative to a stored reference value. A reference voltage, current, etc. can
be stored and measurements made in comparison to that value. The
displayed value is the difference between the reference value and the
measured value.
1. Press REL button to store the reading in the LCD display and the REL
indicator will appear on the LCD display.
2. The LCD display will indicate the difference between the stored value
and measured value
3. Press the REL button to exit the relative mode.
10.12 DISPLAY BACKLIGHT
Press the button for 1 or 2 seconds to turn on or off the display
backlight function, the backlight will automatically turn off after 10 seconds.
10.13 HOLD FUNCTION
The hold function freezes the reading in the display, press the HOLD button
momentarily to activate or to exit the hold function.

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11. Battery and Fuse Replacement
WARNING: To avoid electrical shock always disconnect the test
leads prior to opening the housing. To prevent fire hazards, only use
fuses with the same ratings as specified in this manual.
Remark: refer to the warning on the battery compartment
There are no user-serviceable parts inside the device.
Refer to an authorized dealer for service and/or spare parts.
Disconnect the test leads from the test points and remove the test
leads from the measuring terminals before replacing the batteries or
fuses.
•When" " is displayed, the battery should be replaced.
•Fuses rarely need replacement and blown fuses almost always
result from human error.
To replace the battery:
•Switch off the instrument. Disconnect the test leads.
•Remove the screw at the back of the case and gently open the
housing.
•Remove the old battery and insert a new one.
•Close the housing and fasten the screw.
Battery: 9V (6F22) x 1, make sure to respect the polarity
•Prior to fuse replacement, ensure that the multimeter is
disconnected from external voltage supply and other connected
instruments.
•Only use fuses as described in the technical data section! Using
auxiliary fuses, in particular short-circuiting fuse holders is
prohibited and can cause instrument destruction or serious bodily
injury of operator.
To replace the fuses:
•Switch off the instrument. Disconnect the test leads.
•Remove the screw at the back of the case and gently open the
housing.
•Remove the defective fuse and insert a new one.
•Close the housing and fasten the screw.
Fuses: F 0.50 A / 1000 V, 6.35 x 32 mm & F 10A / 1000V, 6.35 x 32 mm
Make sure the meter is closed tight and put the protective edge back in
place before using the meter.

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12. Troubleshooting
If the device acts abnormal while measuring, this means that the internal
fuse is defective.
Keep in mind that a low battery level could lead to incorrect measurements.
Replace the battery on a regular basis.
(Tip: the reduced luminosity of the backlight/LCD display indicates a low
battery level.)
Use this device with original accessories only. Velleman nv cannot
be held responsible in the event of damage or injury resulting from
(incorrect) use of this device. For more info concerning this product
and the latest version of this manual, please visit our website
www.velleman.eu. The information in this manual is subject to
change without prior notice.
© COPYRIGHT NOTICE
The copyright to this manual is owned by Velleman Group nv. All
worldwide rights reserved. No part of this manual may be copied,
reproduced, translated or reduced to any electronic medium or otherwise
without the prior written consent of the copyright holder.

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HANDLEIDING
1. Inleiding
Aan alle inwoners van de Europese Unie
Belangrijke milieu-informatie over dit product
Dit symbool op het apparaat of de verpakking geeft aan dat
verwijdering van het apparaat na de levensduur ervan het
milieu kan schaden. Gooi het apparaat (of de batterijen) niet
weg als ongesorteerd huishoudelijk afval; het moet naar een
gespecialiseerd bedrijf worden gebracht voor recycling. Dit
apparaat moet worden ingeleverd bij uw distributeur of bij een
plaatselijke recyclingdienst. Respecteer de plaatselijke milieuvoorschriften.
Neem in geval van twijfel contact op met de plaatselijke
afvalverwerkingsautoriteiten.
Bedankt dat u voor Velleman heeft gekozen! Lees de handleiding grondig
door voordat u dit apparaat in gebruik neemt. Indien het toestel tijdens het
transport beschadigd werd, installeer of gebruik het dan niet en neem
contact op met uw dealer.
2. Symbolen
AC (wisselstroom)
DC (gelijkstroom)
Zowel AC als DC
Gevaar voor elektrische schokken. Een potentieel
gevaarlijke spanning is mogelijk.
Let op: gevaar, de handleiding moet worden geraadpleegd in
alle gevallen waarin dit symbool is aangebracht.
Waarschuwing: een gevaarlijke toestand of handeling die
letsel of de dood tot gevolg kan hebben
Let op: toestand of handeling die kan leiden tot schade aan de
meter of de geteste apparatuur.
Dubbele isolatie (klasse 2-bescherming)
Aarde
Zekering