multicomp pro MP730651 User manual

P/N:
INFORMATION ON WASTE DISPOSAL FOR CONSUMERS OF
ELECTRICAL & ELECTRONIC EQUIPMENT
When this product has reached the end of its life it must be treated as Waste Electrical &
Electronics Equipment (WEEE). Any WEEE marked products must not be mixed with general
household waste, but kept separate for the treatment, recovery and recycling of the materials
used. Contact your local authority for details of recycling schemes in your area.
Made in China
PO Box 13362 Dublin 2
LS12 2QQ
Man Ref 1.2
110401111837X

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3. AC/DC Millivolt Voltage Measurement (Picture 6)
Picture 6
The input impedance of the DC mV range is infinite (about 1GȍDQGLWGRHV
not attenuate when measuring weak signals, so the measurement accuracy
is high. When the test leads are open, there may be a value on the screen,
but this is normal and will not affect the measuring result.
Frequency measurement at 60mV range (AC voltage) is for reference only
(MP730651/MP730678).
4. LoZ (low impedance) ACV Measurement
(MP730678, Picture 7)
Di gital Multim eter -H V A C
U S B
1) Insert the red test lead into the or terminal, and black test lead
into the COM terminal.
A
FUS
ED
100 0
V
MA X
10sec
EACH
15min
2) Tur n t he functio n dial to the position.
3) Short press the SELECT button to switch to AC/DC millivolt voltage measurement
if required.
4) Connect the test leads with the measured load or power supply in parallel.
5) Read the voltage value on the display.
6) When measuring AC millivolt voltage, short press the button to display
the frequency/duty ratio of the measured voltage.
Caution:
Do not input a voltage over 1000V or it may damage the meter.
Be cautious to avoid electric shock when measuring high voltages.
After completing the measurement, disconnect the test leads from the circuit
under test.
Before each use, verify meter operation by measuring a known voltage.
The input impedance of the AC mV range is about 10Mȍ7KLVORDGHIIHFWPD\
cause measurement errors in high-impedance circuits. In most cases, if the
impedance of the circuit is below Nȍ the error can be ignored 
Picture 7
1) Insert the red test lead into the or terminal, and black test lead into
the COM terminal.
2) Tur n t he f unctio n dia l to the position.
3) Connect the test leads with the measured load or power supply in parallel.
4) Read the voltage value on the display.
5) Short press the button to display the frequency/duty ratio of the measured
voltage.
Caution:
Do not input a voltage over 1000V or it may damage the meter.
Be cautious to avoid electric shock when measuring high voltages.
After completing the measurement, disconnect the test leads from the circuit
under test.
Before each use, verify meter operation by measuring a known voltage.
After using the LoZ function, wait 3 minutes before next operation.
LoZ ACV measurement eliminates ghost voltage for more accurate measurement.

15 16

7. Diode Test (Picture 10) 8. Capacitance Measurement (Picture 11)
D C
Picture 10
1) Insert the red test lead into the or terminal, and black test lead
into the COM terminal.
2) Tur n t he functio n d ial to the or position.
3) Short press the SELECT button to switch to diode test if required.
4) Connect the red probe with the diode anode, and black probe with the diode
cathode.
5) Read the forward bias value on the display.
6) Measured value <0.12V: The diode may be damaged; the red indicator light
is on.
Measured value within 0.12V~2V: The diode is normal; the green indicator
light is on (for reference only).
7) If the diode is open or its polarity is reversed, the LCD will display ³2/´ For
silicon PN junction, the normal va lue is generally about 500~800 mV.
Caution:
Use caution when working with voltages above AC 30Vrms, 42Vpeak or DC 60V.
Such voltages pose a shock hazard.
Before testing the diode, switch off the power supply of the circuit, and fully
discharge all capacitors.
1) Insert the red test lead into the or terminal, and black test lead
into the COM terminal.
2) Tur n t he functio n d ial to the or position.
3) Short press the SELECT button to switch to capacitance measurement.
4) Touch the probes to the capacitor pins.
5) Read the capacitance value on the display after it gets steady.
Caution:
Use caution when working with voltages above AC 30Vrms, 42Vpeak or DC
60V. Such voltages pose a shock hazard.
Before measuring, fully discharge all capacitors (especially high-voltage
capacitors) to avoid damage to the meter and user.
If the measured capacitor is short-circuited or the capacitance exceeds the
maximum range, the LCD will display ³2/´
When measuring high capacitance, it is normal to take a few seconds to
stabilize the reading.
For small capacitance measurement, the REL mode should be used to avoid
the influence coming from distributed capacitance so as to obtain the correct
reading.
Picture 11

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MODEL Part NO.
110401111418X
旧料号：110401110353X 客户修改内容（康念园）
DWH
CHK
APPRO.
110*150mm
REV.2(
REV.3(
旧料号：110401110157X，修改封底内容）
128 80g
MP730651/MP730678/
MP730679（UT161BDE改）