A Century of Innovation - The History of the Multimeter – Haus of Tools
HIOKI DT4252 Digital Multimeter made in Japan | eBay
Hioki Model 3001 Analog Multimeter Made in Japan | eBay
ERF Electrical Wholesalers - In 1920, a British Post Office engineer, Donald Macadie, Invented the very first multimeter. He was frustrated that he needed to carry different tools when working on telecom
A Century of Innovation - The History of the Multimeter – Haus of Tools
A Century of Innovation - The History of the Multimeter – Haus of Tools
Digital Multimeter – Impulse
File:C4315 Russian made multimeter.jpg - Wikimedia Commons
Klein Tools MM5000 and MM6000 Multimeters - YouTube