Mastech MS2025A, Руководство по эксплуатации

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1) If there is no operation during any 15 minutes after
turning the machine on, the meter will enter suspended
stated, automatically powering off to save the battery.
Within 1 minute before shutdown, buzzer will sound five
times. The meter will then enter a dormant state.
2) After automatic power-off, press FUNC key, the meter
will turn on again.
3) If the user holds “
FUNC ” key when powering on, it will
cancel automatic power-off function.
1) Measuring switch is placed to position A. At this time,
the meter is in AC current measurement state. Choose
appropriate measuring range.
2) Hold the trigger, open clamp head, clip one lead of
measurement circuit to be tested inn the clamp.
3) Read the current value on the LCD display.
4.11 Voltage Measurement
Electric shock hazard.
Pay special attention to avoid shock when
measuring high voltage.
Don't input voltage more than AC750 RMS.
Warning
1) Insert black probe to COM jack, insert red probe to
INPUT jack, choose appropriate measuring range.
2) Place transfer switch to AC voltage or position.
At this time, the meter is in the DC voltage
measurement state. To measure AC voltage, press
FUNC button to enter AC voltage measurement state.
3) Connect the probe with voltage source or both ends
of load in parallel for measurement.
4) Read the voltage on the LCD.
V
mV