01
1. Security Information
Warming
People who use this meter should pay special attention to it,because the improper use
might cause electric shock or damage to the meter. Please follow the actual safety rules and
safety measures as specified in the manual.
To fully use the function of this meter and ensure its safety operation,please read and follow
its usage methods in the specification carefully.
This meter matched the technical requirement of digital multimeter GB/T 13978-92 and the
safety requirement of electronic measuring meter GB4793.1-1995(IEC-61010-1. It belongs
to secondary pollution and its over-voltage standard is CAT Ⅱ 600V.
Please follow the safe operation guide and ensure safe use for this meter.
Proper use and maintenance for meter will give you a satisfied service.
1.1 Preparation
1.3Mark
Attention(For important safety information, which you can refer to the specification)
It can be used for dangerous live conductors
Double insulation protection.(II Level)
CAT Ⅱ In accordance with the IEC-61010-1 standard over-voltage (installation) level
II,pollution level 2,CAT II means the level of pulse withstand voltage protection provided.
Matched EC(EU) standard.
Electrical grounding.
1.4 Maintenance
This multimeter is a portable, professional measuring meter with a LCD display, and a
backlight, which is easy to read for users.the range switch and one-hand operation is easy
for use to test , it also has the overload protection function and low battery indication
function.It is an ideal multi-functional meter for professionals, factories, schools, meter-lov-
ers and families.
This multimeter is applicable for AC-current, DC-current, AC-voltage, DC-voltage,frequen-
cy,duty-cycle,resistance,capacitance measurement, wire test, and diode test.
This meter has a function of reading retention.
This meter has non-contact detection (NCV) .AC voltage function.
The meter’ AC-current and AC-voltage test readout is true and valid.
This meter has automatic shutdown function.
NCV induction field
Flashlight lamp
LCD
“SELECT/V.F.C”Function Selector
“HOLD/ ”Data-hold key
Function range switch
10A Input
“COM”Input
“V/Ω/A/mA/ / / /Hz”Input
“HZ%”Key-press
“ ”Flashlight button
SELECT/ V.F.C PUSH-BUTTON:used for measuring function switching.
HOLD/ PUSH-BUTTON:used for measuring data hold,when press it in more than 2
seconds, the backlight will turn on.Again press it in more than 2 seconds to turn off.
HZ/% PUSH-BUTTON:used for frequency and duty cycle switching.
SELECT/ V.F.C PUSH-BUTTON:used for measuring function switching.
PUSH-BUTTON:used for turning off or on flashlight.
OFF POSITION: used for turn off the power.
VΩμA,mA Hz% JACK:voltage, resistance, current μA and mA, frequency, duty
cycle, diode, line switching, capacitor input terminals.
COM JACK:Public terminal.
A JACK:10A Current input terminal.
Automatic measuring range.
Full measuring range overload protection.
Maximum voltage allowed at the measuring end.:600V DC or 600AC(RMS).
Operational height:Maximum 2000m.
Display:LCD.
Maximum display number:5999.
Polarity indication:Self-indicating, ‘-’ means Negative polarity.
Over-range display:‘0L’ or ‘-0L’.
Sampling time:The meter figures show about 0.4 seconds
Unit display:Function and battery unit display.
Automatic power-off time:15minutes.
Operational power:1.5Vx3 AAA battery.
Battery under-voltage indication:LCD shows symbol.
Temperature coefficient:Less than 0.1 x Accuracy / ℃.
Operational temperature and humidity:0~40 ℃/32~104℉、45%-80%RH.
Storage temperature and humidity:-20~60 ℃/-4~140℉、45%-80%RH.
Size:147×71×45mm.
Weight:About 190g (excluding batteries).
As for the measurement of non-sinusoidal signals, the TRMS method has less error than
the traditional average value response method.
True RMS meter can accurately measure the non-sinusoidal wave signal, but if it's on the
AC function mode or in the condition of no input signal measured(For example,in the input
terminal short circuit or in the ac voltage mode), clamp table may show a readout of
between 1 to 50.These deviation readings are normal. They do not influence the accuracy
of the multimeter which is used for testing alternating current in the specified measuring
range.
True RMS requires meter input signal to reach a certain level for being measured.
Therefore, the measuring range of AC voltage and current is specified between 2 % ~ 100
% of the full measuring range.
Accuracy: ±(a% rdg +digits),Warranty for one year(Operating temperature:23 ± 5℃
Relative humidity:<75%)
- Input impedance:*Measuring range≥100MΩ、**Measuring range≥1GΩ、All other input
impedance of measuring range is 10MΩ(*/**The measuring range opening circuit might
show unstable figures on the LCD screen,but it will be stable after connecting loading≤1 word)
Maximum input voltage:600V DC
3.2.3 AC voltage
AC voltage measurement
- Input impedance:All other input impedance of measuring range is 10MΩ(*/**The
measuring range opening circuit might show unstable figures on the LCD screen,but it will be
stable after connecting loading≤1 word)Display true RMS, frequency response:45~1KHz
(V.F.C 45~400Hz)Guaranteeing the range of accuracy:5%~100%measuring range,
Short circuit is allowed<It can reach 3.0 when the remaining reading of 10 base words and
AC crest factor is at full value >(Apart from 600V measuring range,it is 1.5 when measuring
range changed is at full value) Maximum input voltage:600V AC (RMS)
3.2.4 Resistance
- Open-circuit voltage:about 0.4V
- Overload protection:250V DC or AC(RMS)
3.2.5 Capacitance
- Overload protection:250V DC or AC(RMS)
3.2.6 Diode test
- The forward DC current is about 1mA
- The reverse DC voltage is about 3V
- Overload protection:250V DC or AC(RMS)
3.2.7 Circuit on-off test
- Open-circuit voltage: about 1.2V
- Overload protection:250V DC or AC(RMS)
3.2.8 Frequency
3.2.8.1 Using V setting or current setting:
- Testing range:10Hz ~ 10kHz
- Input voltage range:≥ 0.2V AC(RMS)(With the increase of the measured frequency,
the input voltage should increase as well)
Overload protection:250V DC or AC(RMS)-Measuring signal: Vpp3V AC signal
3.2.9 DC current
3.2.9 Corriente CC
Overload protection:µA and mA level:Protective tube FF600mA/700V A level:Protective
tube F10A/700V.When the measuring current is above 5A, the continuous measuring time
must below 10 seconds. After that, the current test must be stopped for 1 minute.
3.2.10 AC current
In the process of measurement,if need reading-holding,users can press “HOLD” key,which
LCD screen will show the display value that has been locked.
Press the“HOLD”key again,users can remove the reading-holding mode.
Whatever setting users want to operate from this meter,after turn on the meter,if users
want to use flashlight,just press " " key, then flashlight will light.
Press the " " key again,users can cancel the flashlight.
In the condition of AC mode,if press “SELECT/ V.F.C” key for over 2 seconds,meter screen
will switch to V.F.C mode.Meanwhile,the meter screen will display V.F.C prompt which can
measure the variable frequency voltage reliably.If again press “SELECT/ V.F.C” for over 2
seconds,the meter screen will show "Exit V.F.C measurement mode" and the prompt from
V.F.C measurement mode will be cancel.
When testing DC or AC voltage mV,pressing"SELECT/V.F.C"button can switch to DC
voltage mV or AC voltage mV mode.
When testing current,pressing "SELECT/ V.F.C"button can switch to test DC current or AC
current mode.
When test resistance,diode and line-on/off,pressing "SELECT/ V.F.C" button can switch to
the function of resistance,diode and Continuity repeatedly.
If there is no any operation in any 15 minutes after power-on, the meter will go into
sleeping mode and turn the power off automatically so as to save power.
After automatic shutdown, press any key, the meter will restart working.
When turn the meter power on,pressing"SELECT/V.F.C" button,the meter with a buzzer
can continuously make a sound for five times which indicates automatic shutdown function
will be canceled.And after power-off,then restart power-on,the automatic power-off
function will work again.
First,the meter rotary switch have to turn to the NCV mode.Second,then put the top of
meter close to the conductor.Third,when test voltage which is above 110 Vac (RMS),and
the meter is close to the conductor,the induction voltage of meter with an alarm buzzer will
make beep.
Notice:
Even if there is no sign for the meter,the voltage may still exist,. Don't rely on non-contact
voltage detector to determine whether the wire can generate voltage or not. The detection
operation may be influenced by the electrical outlet design, insulation thickness and other
different factors.
When the input terminals of the meter input voltage or the interference sources of the
external environment influence the meter(such as flashlight, motor and so forth), it may
trigger non-contact voltage detection by a mistake because of the existence of induction
voltage.After that, the meter will alarm and flash.
The rotating switch must turn to" "Setting,connecting the black test lead and the orange
test lead with the COM input socket and V input socket respectively,and use the two ends
of test lead to test the pending circuit voltage value. (In parallel with the pending
circuit),The voltage value tested can be read by the meter LCD. When test the DC voltage,
the meter screen can simultaneously display the voltage polarity which is connected by the
orange test lead.
The rotating switch must turn to" "level,connecting the black test lead and the orange
test lead with the COM input socket and V input socket respectively,and use the two ends
of test lead to test the pending circuit voltage value. (In parallel with the pending
circuit),The voltage value tested can be read by the meter LCD.
The rotating switch must turn to" "setting,connecting the black test lead and the orange
test pen with the COM input socket and V input socket respectively,and use the two ends
of test lead to test the pending circuit resistance value.The resistance value tested can be
read by the meter LCD.
The rotating switch must turn to" "setting,pressing SELECT/ V.F.C button can switch
to power-on/off test mode.Connecting the black test lead and the orange test lead with the
COM input socket and input socket respectively.When use the two ends of test lead to test
the pending circuit resistance and power-on/off,if the resistance tested is below 50,the
meter buzzer may make a beep continuously.
The rotating switch must turn to" "setting,pressing SELECT/ V.F.C button can switch
to diode test mode.Connecting the black test lead and the orange test lead with the COM
input socket and Ω input socket respectively.Using the two ends of test lead to test the two
ends of diode tested,the meter will display the forward decrease voltage.
The rotating switch must turn to" "setting,connecting the black test lead and the orange
test lead with the COM input socket and input socket respectively.Using the two ends
of test lead to test the pending capacitance value,users can read the value from LCD
screen.
The rotating switch must turn to"Hz/%"setting,connecting the black test lead and the
orange test lead with the COM input socket and Hz input socket respectively.Using the
two ends of the test lead to test the pending frequency value,users can read the value from
LCD screen.
Turning the power of the circuit tested off,then discharging all high voltage capacitance on
the circuit tested, and transferring the rotary switch to the appropriate setting (uA, mA or
A),finally pressing SELECT/ V.F.C button to turn to AC current or DC current and
connecting the black test lead with the COM input socket.If the current tested is below
600mA,connecting the orange test lead with the mA input socket.Or if the current tested is
between 600mA and 10A,connecting the orange test lead with the 10A input socket.
2.Turning the power of the circuit tested off,connecting the black test lead with one end of
the circuit-off(its voltage is higher than normal condition) and connecting the orange test
lead with one end of the circuit-off(its voltage is higher than normal condition),then turning
the power of the circuit tested on,users can see the readings from the meter screen.If
meter screen just display "OL",this means the input value exceeds the measuring range
selected.The rotating switch is supposed to be much higher testing range.
Warning
To avoid shock hazard,users should remove pen from the testing circuit before opening
the battery cover of the meter.
If the meter screen displays " " symbol,it indicates the meter must replace its battery.
Rotate the fastening screws of the battery cover and remove it.
Replace the powered-off battery.
Please install the battery cover by simulating its original look.
Notice:
The polarity of meter battery can't be installed reversely.
5.2 Replacing the meter pen
Warning
Users must replace the same or similar level test lead when replace it.Besides,the test lead
must keep intact and its level is:1000V 10A.
If the insulation of test lead is damaged and the metal wire is exposed,users must replace it.
Users must follow the standard safety rules when using it:
- Need some universal protection to avoid electric shock.
- To avoid misuse the meter.
Check if there is any damage on this meter or not in the process of transportation when
received it.
Check if there is any damage on this meter or not when preserved,loaded and delivered it
in poor condition.
The test lead must be in a good condition.Check whether there is any damage on its
insulation or not and if meter’s metal wire is exposed or not before using it.
Using the test lead provided by meter can guarantee the use of meter safety.If needed,you
must use the same or similar pen to replace it.
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The correct function and measuring range must be guaranteed when using it.
Don’t overtake the indicating value of protection extent of everymeasuring range when
testing.
Don’t touch the top of test lead (the metal part) when linked meter with measuring circuit.
When testing, if the voltage tested is over 60V DC or 30V AC (RMS),please keep your
fingers behind the test lead protector.
When the measuring terminal voltage is over 600V DC or 600V AC, please stop testing
voltage.
Before turning the switch to change the testing function, the test lead should be removed
from the measuring circuit.
Do not measure resistance, capacitance, diodes and lines when the line is energized
When use current,resistance,capacitor,diode and circuit breaker,user should avoid to
link meter with voltage source.
Don't test capacitance before the capacitor is fully discharged.
Don't use the meter under the explosive gas, steam or dust environment.
If there is any abnormality or malfunction in the meter, user should stop using it.
Multimeter should not be used unless the meter bottom shell and the battery cover are
completely clasped in place.
Don't preserve or use meter in the condition of direct sunlight, high temperature, high
humidity.
1.2 Usage
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