VC-2002 Digital Function Signal Generator Multimeter 0.2Hz-2MHz – Gain Express
Measuring Frequency With a Digital Multimeter – Norwegian Creations
Can we measure the frequency through a multimeter? - Quora
Fluke 115 Digital Multimeter, Measures AC/DC Voltage To 600 V and AC/DC Current to 10 A, Measures Resistance, Continuity, Frequency, and Capacitance, Includes Holster and Silicone Test Lead Set - Amazon.com
Interesting Multimeter Functions (And What They Really Do)