User Manual

3.2.10Frequency
3.2 .10.1 Pass grade A:
－Measuring range: 40HZ-1000Hz
－Input signal pattern: > 3A AC current (Effective Value)
3.2.10 .2 Through V gear:
－Measuring range: 40HZ-1000Hz
－Input signal pattern: > 0.8V AC current (Effective value)
4. Operational guidelines
4.1 Reading hold
In the process of measurement, if you need to hold the reading,
touch the key, the display value will be locked, touch the key
again, can remove the reading hold.
4.2 Flashlight
Touch the button to turn on the lighting function of the
flashlight barrel, which will be automatically turned off after about
1 minute.。
4.3 Automatic shutdown
4.3. 1If there is no operation within 15 minutes after startup, the
meter will enter hibernation state and automatically shut down
to save electric energy. The buzzer has one sound one minute
before the shutdown.
4.3. 2After automatic shutdown, press the power button to wake up
the instrument to work.
8
Operational guidelines
Range
Resolution
Accuracy
Range
Resolution
Accuracy
reading
digits
reading
digits