Major tech MT24, Инструкция по эксплуатации, Страница: 10 / 16

10 10
6.2. MAX/MIN
NOTE:
When using the MAX/MIN function in Auto ranging mode, the
meter will “lock” into the range that is displayed on the LCD when
MAX/MIN is activated. If a MAX/Min reading exceeds that range, an “OL”
will be displayed. Select the desired range BEFORE entering MAX/MIN
mode.
1. Press the MAX/MIN key to activate the MAX/MIN recording mode. The
display icon "MAX" will appear. The meter will display and hold the
maximum reading and will update only when a new “max” occurs.
2. Press the MAX/MIN key again and the display icon "MIN" will appear.
The meter will display and hold the minimum reading and will update
only when a new “min” occurs.
3. To exit MAX/MIN mode press and hold the MAX/MIN key for 2
seconds
6.3. DISPLAY BACKLIGHT
Press and hold the HOLD key for >1 second to turn on or off the display
backlight function. The backlight will automatically turn off after 10
seconds.
6.4. HOLD
The hold function freezes the reading in the display. Press the HOLD key
momentarily to activate or to exit the HOLD function.
6.5. Hz/DUTY
1. Switch to Hz/Duty range.
2. Press the Hz/Duty button to show the reading in the display and the
"Hz/Duty" indicator will appear on the display.
CAUTION: Do not measure DC voltages if a motor on the circuit is
being switched ON or OFF. Large voltage surges may occur
that can damage the meter.
1. Set the function switch to the V DC position .
2. Insert the black test lead banana plug into the negative (COM) jack
and the red test lead banana plug into the positive (V) jack.
3. Touch the test probe tips to the circuit under test. Be sure to observe
the correct polarity (red lead to positive, black lead to negative).
4. Read the voltage in the display. The display will indicate the proper
decimal point and value. If the polarity is reversed, the display will
show (-) minus before the value
6.6. DC VOLTAGE MEASUREMENTS