Armada Technologies Pro40 User manual
Model Pro40
True-RMS Digital Multimeter
USER’S MANUAL
Armada Technologies LLC
armadatech.com 2020
Statement..................................................................................1
Safety Statement ..............................................................1
Safety Instructions ............................................................2
Safety Operation Specifications........................................2
Safety Symbols.................................................................6
Overview ...................................................................................6
Instrument panel description.............................................7
FUNC. keys ......................................................................8
Data hold ..........................................................................8
Maximum measurement ...................................................8
Backlight ...........................................................................8
Flashlight ..........................................................................8
Auto power off...................................................................9
Measurement operation ............................................................9
DC/AC voltage measurement ...........................................9
DC/AC voltage mV measurement...................................10
Frequency/Duty measurement........................................ 11
DC/AC current measurement.......................................... 11
Resistance measurement ...............................................12
Capacitance measurement .............................................13
Continuity measurement .................................................13
Diode measurement........................................................14
NCV test .........................................................................14
Live test ..........................................................................15
General Technical Specifications ............................................16
Accuracy Specifications ..........................................................17
DC voltage ......................................................................17
AC voltage ......................................................................17
DC current ......................................................................18
AC current.......................................................................18
Resistance ......................................................................19
Capacitance....................................................................19
Frequency/duty ...............................................................20
Diode test........................................................................21
Continuity test .................................................................21
Maintenance............................................................................21
Clean ..............................................................................21
Replace Battery and Fuse ..............................................22
1
Statement
In accordance with the international copyright law, without
permission and written consent, do not copy the contents of this
manual in any form (including storage and retrieval or translation
into languages of other countries or regions). The manual is
subject to change in future edition without prior notice.
Safety Statement
“Caution” mark refers to the condition and operation which
may cause damage to the instrument or equipment.
It requires that you must be careful during the execution of
the operation. If incorrectly perform the operation or do not follow
the procedure, it may damage the instrument or equipment. In
the circumstances that such conditions are not met or not fully
understood, please do not continue to perform any operation
indicated by the caution mark.
“Warning” mark indicates the condition and operation which
may cause danger to users.
It requires that you must pay attention during the execution
of this operation. If incorrectly perform the operation or do not
follow the procedure, it may result in personal injury or casualties.
In the circumstances that such conditions are not met or not fully
understood, please do not continue to perform any operation
indicated by the warning mark.
2
Safety Instructions
The instrument is designed according to the requirements of the
international electrical safety standard IEC61010-1 for the safety
requirements of the electronic testing instruments. The design
and manufacture of instruments strictly comply with the
requirements of IEC61010-1 CAT.III 600V over voltage safety
standards and pollution level 2.
Safety Operation Specifications
Warning
In order to avoid possible electric shock or peronal injury
and other safety accidents, please abide by the following
specifications:
⚫Please read this manual carefully before using the instrument,
and pay special attention to safety warning information.
⚫Strictly observe the operation of this manual and use this
instrument. Otherwise, the protection function of the
instrument may be damaged or weakened.
⚫Please be careful if the measurement exceeds 30V AC true
RMS, 42V AC peak or 60V DC. There may be danger of
electric shock at this kind of voltage
⚫By measuring the known voltage to check whether the meter
work is normal, if it is not normal or damaged, do not use it
again.
3
⚫Before using the instrument, please check whether there is
any crack or plastic damage in the instrument case. If you do,
do not use it again.
⚫Before using the instrument, please check whether the probe
is cracked or damaged. If so, please replace the same type
and the same electrical specifications.
⚫The instrument shall be used in accordance with the specified
measurement category, voltage or current rating.
⚫Please comply with local and national safety code. Wear
personal protection equipment (such as approved rubber
gloves, masks and flame retardant clothes, etc.) to prevent
being damaged by electric shock and electric arc due to
exposed hazardous live conductor
⚫When it shows low battery indicator, please replace the
battery in time in case of any measurement error.
⚫Do not use the instrument around explosive gas, steam or in
wet environment.
⚫When using the probe, please put your fingers behind the
finger protector of the probe.
⚫When measuring, please connect the zero line or the ground
line firstly, then connect the live wire; but when disconnecting,
please disconnect the live wire firstly, then disconnect the zero
line and ground line.
4
⚫Before opening the outer cabinet or battery cover, please
remove the probe on the instrument. Do not use the
instrument in the circumstances that the instrument is taken
apart or battery cover is opened.
⚫It only meets the safety standards when the instrument is used
together with the supplied probe. If the probe is damaged and
needs to replace, the probe with same model number and
same electrical specifications must be used for replacement.
5
High voltage warning
AC (Alternating current)
DC (Direct current)
AC or DC
Warning, important safety signs
Ground
Fuse
Equipment with double insulation/reinforced insulation protection
Battery under voltage
Product complies with all relevant European laws
The additional product label shows that do not discard this
electrical/electronic product into household garbage.
CAT. II
Class II measurements are suitable for testing and measuring circuits
directly connected to power points (sockets and similarities) of low
voltage power installations.
CAT. III
Class III measurement is suitable for testing and measuring circuits
connected to the distribution part of low voltage power supply devices
in buildings.
CAT.
IV
Class IV measurements are suitable for testing and measuring
circuits connected to the power supply of low voltage power
6
Safety Symbols
Overview
A new generation of high performance TRMS digital
multimeter. The new display and function layout show clearer
and better user experience. It is the best choice for professional
electricians, enthusiasts or families.
installations in buildings.
7
Instrument panel description
①NCV probe
②Flashlight
③Red / green light
④LCD display
⑤Function keys
8
⑥Function knob
⑦COM Input socket
⑧Other measurement input socket
⑨10A current Input socket
FUNC. keys
When there are multiple measuring functions on a gear, the
FUNC. key switch function is adopted.
Data hold
Press”HOLD”key, enter data hold mode/cancel data hold mode.
Maximum measurement
Press”Max”key, enter Maximum measurement/cancel Maximum
measurement.
Backlight
Press” ”key, turn on backlight/turn off backlight. or about
10 seconds after it will automatically shut down.
Flashlight
Press key, and keep more than 2 seconds to turn on the
flashlight / turn off flashlight.
9
Auto power off
⚫There will be no operation in 15 minutes , The instrument will
turn off automatically to save battery energy. After automatic
shutdown, press any key to restore the working state of the
instrument.
⚫If you press the "FUNC." button and turn on the meter power,
the automatic shutdown function will be cancelled. After
turning off the meter, the meter is reopened to restore the
automatic shutdown function.
Measurement operation
DC/AC voltage measurement
1) Turn the knob to “ ” and Switching AC or DC voltage function
by "FUNC." key
2) Insert the red probe in “ ” socket，insert the black
probe in “COM” socket。
3) Contact the probe to the measured circuit (connect to the
measured power supply or circuit in parallel), measure the
voltage.
4) Read the measurement result on the screen.
WARNING
⚫The voltage above 600V can’t be measured; otherwise
the instrument may be damaged.
10
⚫Pay special attention to safety when measuring high
voltage to avoid electric shock or personal injury.
⚫Test the known voltage with the meter before use,
confirm the instrument function is intact.
Note: when measuring AC current, press FUNC. button to
see frequency and duty cycle.
DC/AC voltage mV measurement
1) Turn the knob to “ ” and Switching AC or DC voltage
function by "FUNC." key
2) Insert the red probe in “ ” socket，insert the black
probe in “COM” socket。
3) Contact the probe to the measured circuit (connect to the
measured power supply or circuit in parallel), measure the
voltage.
4) Read the measurement result on the screen.
WARNING
⚫The voltage above 600V can’t be measured; otherwise
the instrument may be damaged.
⚫Pay special attention to safety when measuring high
voltage to avoid electric shock or personal injury.
⚫Test the known voltage with the meter before use,
confirm the instrument function is intact.
Note: when measuring AC current, press FUNC. button to
11
see frequency and duty cycle.
Frequency/Duty measurement
1) Turn the knob to “Hz%” and Switching Frequency or duty
function by "FUNC." key
2) Insert the red probe in “ ” socket，insert the black
probe in “COM” socket。
3) Contact the probe to the measured circuit (connect to the
measured power supply or circuit in parallel), measure the
frequency of duty.
4) Read the measurement result on the screen.
WARNING
⚫The voltage above 600V can’t be measured; otherwise
the instrument may be damaged.
⚫Pay special attention to safety when measuring high
voltage to avoid electric shock or personal injury.
⚫Test the known voltage with the meter before use,
confirm the instrument function is intact.
DC/AC current measurement
1) Turn the knob to or or shift and Switching AC or DC
voltage function by "FUNC." key
2) Insert the red probe in “ ” socket or 10A Socket，insert
the black probe in “COM” socket。
12
3) Disconnect the power of the tested circuit; connect the meter
to the circuit under test, then turn on the circuit power supply.
4) Read the measurement result on the screen.
WARNING
⚫The voltage above 600V can’t be measured; otherwise
the instrument may be damaged.
⚫Pay special attention to safety when measuring high
voltage to avoid electric shock or personal injury.
⚫Test the known current with the meter before use;
confirm the instrument function is intact.
Note: when measuring AC current, press FUNC. button to
see frequency and duty cycle.
Resistance measurement
1) Turn the knob to ” ” shift.
2) Insert the red probe in “ ” socket，insert the black
probe in “COM” socket。
3) Contact the probe to the measured circuit or resistance,
measure the resistance.
4) Read the measurement result on the screen.
5) WARNING
When measuring resistance on the line, disconnect the
power supply and discharge all the high-voltage
capacitors. Otherwise, the instrument may be damaged and
13
may be struck by electric shocks.
Capacitance measurement
1) Turn the knob to ” ” shift.
2) Insert the red probe in “ ” socket，insert the black
probe in “COM” socket。
3) Contact the probe to the measured circuit or Capacitance,
measure the resistance.
4) Read the measurement result on the screen.
5) WARNING
When measuring Capacitance on the line, disconnect the
power supply and discharge all the high-voltage
capacitors. Otherwise, the instrument may be damaged and
may be struck by electric shocks.
Continuity measurement
1) Turn the knob to shift and Switch to Continuity
measurement function according to "FUNC." key.
2) Insert the red probe in “ ” socket，insert the black
probe in “COM” socket。
3) Contact the probe to the measured circuit or resistance,
4) If the resistance or circuit of the measured resistance is less
than 30Ω, the buzzer will on and the green indicator lights
up at the same time; when the resistance is about between
30Ω to 60Ω, the red indicator lights up; the screen displays
14
the resistance of the measured circuit.
6) WARNING
When measuring Continuity on the line, disconnect the
power supply and discharge all the high-voltage
capacitors. Otherwise, the instrument may be damaged and
may be struck by electric shocks.
Diode measurement
1) Turn the knob to shift and Switch to diode measurement
function according to "FUNC." key.
2) Insert the red probe in “ ” socket，insert the black
probe in “COM” socket。
3) Touch the diode anode with the red probe, the black probe
contacts the diode cathode.
4) Read the measurement result on the screen.
7) WARNING
When measuring diode on the line, disconnect the power
supply and discharge all the high-voltage capacitors.
Otherwise, the instrument may be damaged and may be
NCV test
1) Turn the knob to the shift, and Switch to NCV test
function according to "FUNC." key. Meter will display "NCV".
2) Then NCV probe gradually approaches the detected point.
3) When the meter senses weak AC signals, the green indicator
15
lights up, while the beeps send out slow dips.
4) When the meter senses strong AC signals, the red indicator
lights up, while the beeps send out fast dips.
8) WARNING
In order to avoid possible accidents such as electric shock
or personal injury, please follow the safety regulations.
Live test
1) Turn the knob to the shift, and Switch to live test function
according to "FUNC." key. Meter will display "LIVE".
2) Insert the red probe in “ ” socket, Then the probe
contact to the test point
3) When the meter senses weak AC signals, the green indicator
lights up, while the beeps send out slow dips.
4) When the meter senses strong AC signals, the red indicator
lights up, while the beeps send out fast dips.
9) WARNING
In order to avoid possible accidents such as electric shock
or personal injury, please follow the safety regulations.
16
General Technical Specifications
⚫Environment condition of using:
CAT.III 600V
Pollution level：2
Altitude < 2000m。
Working environment temperature and humidity:
0~40°C (<80% RH, <10°C non condensing).
Storage environment temperature and humidity: -
10~60°C (<70% RH, remove the battery).
⚫Temperature coefficient:
0.1accuracy/°C (<18°C or >28°C).
⚫MAX. Voltage between terminals and earth ground：600V
⚫Fuse protection：
mA：F600mA/250V fuse
10A：F10A/250V fuse
⚫Sampling rate: about 3 times/second.
⚫Display: 6000 counter readout. Automatically display the
unit symbols according to the shift of the measurement
function.
⚫Over range indication: it displays “OL”.
⚫Low battery indication: when the battery voltage is lower
than the normal working voltage, “ ” will be displayed.
⚫Input polarity indication: automatically display “−”.
⚫Power requirement: 2 x 1.5V AAA batteries.
⚫Dimension: 151mm x 75mm x 46mm.
17
Accuracy Specifications
The accuracy applies within one year after the calibration.
Reference condition: the environment temperature 18°C to 28°C,
the relative humidity is no more than 80,
accuracy: （reading + word）.
DC voltage
Range
Resolution
Accuracy
60mV
0.01mV
±(0.5% reading+3)
600mV
0.1mV
6V
0.001V
60V
0.01V
600V
0.1V
Input impedance：10MΩ;
Overload protection: 600V; Maximum input voltage: 600V
AC voltage
Range
Resolution
Accuracy
60mV
0.01mV
±(1.0% reading+3)
600mV
0.1mV
6V
0.001V
60V
0.01V
600V
0.1V
Input impedance：10MΩ;
Overload protection: 600V; Maximum input voltage: 600V
Frequency Response：10Hz ~ 1kHz；TRMS
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