Weschler Instruments – Manufacturer & distributor of measurement & control equipment
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analog meters, digital meters, transducers, signal conditioners, data loggers and test instrumentation
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Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
All Categories > Product by Type > Power Meters > Model 2491 - Single Function Power Series Plus Digital Switchboard Meters - Yokogawa > AC Watts and Vars 
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AC Watts and Vars

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2491 Power Series Plus Digital Switchboard Meters

Model 2490 includes AC Watts and Vars measuring capabilities, as well as flexible options for Input Rating, Frequency, Analog Output and Communication options.

The POWER SERIES PLUS digital switchboard meter was developed by Yokogawa Corporation of America to provide our customers with a versatile AC digital power meter. The heart of our POWER SERIES PLUS meter is a programmable ASIC Power Measurement Chip (PMC) which was jointly developed by the General Electric Company and Yokogawa Electric Corporation.


· 249151

· 249152

· 249153

· 249154

· 249155

· Outline Dimensions and Panel Cutout


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(PDF, 277KB)

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(PDF, 388KB)

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(PDF, 1393KB)