Major MT750 Manual de instruções - Página 2
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Press the trigger to open the Current Sensor and
clamp the one conductor (Dia. 33mm max.) under
test.
Correct
Incorrect
NOTE
Measurement accuracy is guaranteed when the
measured object is placed at the center (zone A) of
the Current Sensor. In zone B, 4% of tolerance
should be added to the specified accuracy. In zone
C, measured values should be considered as
reference values (Accuracy is not guaranteed).
Center (zone A)
C
B
B
A
C
4. ACV/DCV Measurement
DANGER
600V
Never make measurement on a circuit in which
voltage over 600V exists.
Black test lead
Red test lead
DCV
ACV
Black(-)
NOTE
DCV / LCD
If the connection is reversed, the LCD indicates the
" － " mark (DCV measurement).
5. Resistance (Continuity) Measurement
WARNING
Never use the instrument on an energized
circuit.
Test lead
Resistance
Press
Red(+)
♪
Beep less than 50±30Ω.
NOTE
LCD indicates "OL" when the test leads are open.
6. Safety Warnings
This instrument has been designed, manufactured
and tested according to IEC 61010: Safety
requirements for electronic measuring apparatus,
and delivered in the best condition after passing
inspections.
This instruction manual contains warnings and
safety rules which must be observed by the user to
ensure safe operation of the instrument and retain it
in a safe condition. Therefore, read through these
operating instructions before using the instrument.
WARNING
● Read through and understand the instructions
Test lead
contained in this manual before using the
instrument.
Continuity
● Keep the manual at hand to enable quick
reference whenever necessary.
LCD
● The instrument is to be used only in its intended
applications.
● Understand and follow all the safety instructions
contained in the manual.
● It is essential that the above instructions are
adhered to.
● Failure to follow the above instructions may
impair the protection provided by the instrument
and test leads, and may cause injury, instrument
damage and/or damage to equipment under test.
The symbol
indicated on the instrument means
that the user must refer to the related parts in the
manual for safe operation of the instrument. It is
essential to read the instructions wherever the
symbol
appears in the manual.
DANGER is reserved for conditions and
actions that are likely to cause serious or fatal
injury.
WARNING is reserved for conditions and
actions that can cause serious or fatal injury.
CAUTION is reserved for conditions and
actions that can cause injury or instrument
damage.
● Marks listed below are used on this instrument.
User must refer to the manual.
Instrument with double or reinforced insulation