Mastech MS2015A User Manual

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4.4 Maximum/Minimum Measurement Choice
1) Press “MAX/MIN” key to enter MAX mode, and
always keep measurement maximum value; press
“MAX/MIN” key again, the meter will enter minimum
value measurement state; press “MAX/MIN” key for
the third time, the meter will display the difference of
maximum and minimum value; press “MAX/MIN” key
to repeat the above operations by recycling.
2) After entering MAX or MIN mode, it will automatically
save the measured maximum or minimum value.
3) After entering MAX or MIN mode, it will automatically
save the measured maximum or minimum value.
4) If the user presses “MAX/MIN” key more than 2 sec,
the meter will restore normal measuring range.
Note:
1) When the meter is in the maximum/minimum value
measurement state, it is in manual measuring range
mode.
2) When the meter is in the frequency, duty ratio
measurement state, it can't switch to
maximum/minimum value measurement mode.
1) In the resistance mode, press "FUNC" button, it will
switch among resistance, diode and continuity
detection by recycling.
2) In the voltage and current mode, press "FUNC"
button to switch between AC and DC.
4.5 Function Switch
1) REL/INRUSH button is relative value measurement
button. Operated by tapping this button, it will enter
relative value measurement mode,. The current
display value can be stored in the memory as
reference value. When the user measures later, the
display value is the difference for input value minus
reference value. ie. REL (current reading)= Input
value - Reference value.
2) The relative value measurement can only be
performed in the manual mode.
1) In the process of measurement, if ambient light is too
dark to read, press “B.L/HOLD” key to open the
backlight, the backlight will automatically turn off after
about 30 seconds.
2) During this period, pressing “B.L/ HOLD” key more
than two seconds will turn off backlight.
3) In the current mode, the meter will turn on backlight
and, at the same time, it will turn on clamp head light.
Backlight is LED with high current draw. The backlight
will turn off in about 30 seconds. If backlight is used
often, it will shorten battery life, so do not use
backlight excessively.
4.6 REL/INRUSH Measurement
4.7 Back Light And Clamp Head Light
DIGITAL CLAMP METER DIGITAL CLAMP METER

Mastech MS2015A Specifications

General

Brand	Mastech
Model	MS2015A
Category	Measuring Instruments
Language	English