Техническая Спецификация для Beha Amprobe ACD-50NAV Digital-Multimeter, DMM, 3729945

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•  Press HOLD key in MAX MIN mode to make the meter stop updating 

the maximum and minimum value. When the HOLD mode is 

activated in MAX MIN mode, the HOLD mode must be deactivated 
before the MAX MIN mode.

THD Measurement (AC mode only)

Select the “THD” indicator then press the navigator key to enter the THD 
mode. THD-F=RMS of Harmonics ÷ RMS of fundamental ×100%. (harmonics 
up to the 25th)