power quality meter

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Definition

There is no accepted definition for Smart Meter. Perhaps the most general definition defines the device as a type of advanced meter that identifies consumption in more detail than a conventional meter, and optionally communicates that information via some network back to the local utility for monitoring and billing purposes. 251. Typically the term "Smart Meter" refers to an electrical meter, but the term is also starting to be applied to the measurement of natural gas and water consumption.

Similar meters ususally referred to as time-of-use or interval meters have existed for years but Smart Meters usually involve a different technology mix such as real-time or near real-time reads, power outage notification, and power quality monitoring. These added features are more than simple automated meter reading; that also has existed for several years and is well established. Smart Meters are also believed to be a less costly alternative to traditional interval or time-of-use meters and are intended to be implemented on a wide scale to all customer classes, including residential customers. Interval and time-of-use meters are typically installed to measure commercial and industrial load only. PPQM Portable Power Quality Meter.