Digital AC Millivoltmeter Frequency Counter Voltmeter 5Hz~3MHz 100uVrms~400Vrms
100µVrms~400Vrms. 5Hz~3MHz ±6% Reading ±20 characters. Low-pass filter: Cut-off frequency approx. 100kHz; In-band attenuation ≤3dB;Out-of-band attenuation z30dB. AC coupling. 1 product warranty card and user file card.