Friday, December 1, 2023

Touch-Screen, Wireless and Detachable Displays Make Modern Multimeters Exciting

From general-purpose to high-end measurements, multimeters are widely-used tools. Today, there is an extensive variety of multimeters in the market, including ones with wireless capabilities and touch-screen interfaces to make measurements intuitive. In this article, we attempt to guide you in selecting the right multimeter for your needs. -- Abhishek A Mutha

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Nowadays, wireless connectivity is also increasingly being incorporated into multimeters. Industry experts feel that connectivity today is slowly becoming a part of multimeters. Manish Kwatra, CEO, MetroQ, says, “Apart from universal serial buses (USBs), manufacturers are coming up with Wi-Fi-enabled multimeters. A year or two down the line, connectivity in multimeters will become standard.”

Rajesh Sawant, business development manager, Keysight Technologies India Pvt Ltd, too feels that connectivity is an important feature for multimeters. Talking about how it benefits users, he says, “Communication of various instruments on a common platform via wireless connectivity enables remote operations, monitoring and logging of parameters, thereby enhancing the productivity of the user.

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Fig. 2: Keithley’s DMM7510
Fig. 2: Keithley’s DMM7510

A multimeter normally does not show a waveform. Therefore in some multimeters, an oscilloscope is in-built for waveform analysis, informs Kwatra. He says, “These scopemeters (multimeters + oscilloscopes) generally offer 20MHz to 25MHz bandwidth.” Today’s multimeters use advanced microcontrollers or application-specific integrated circuits (ASICs) to be able to support more functions accurately, notes Chandmal Goliya, director, KUSAM-MECO.


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