Water&Wastewater_TL_2.23.17

Energy Monitoring

Available from Weschler Instruments

Energy management and energy conservation start with the ability to monitor power and energy use. For electrical systems, this involves measuring DC or AC power (Watts, VA, VAr) or energy (Wh, VAh, VArh).
In fixed installations, digital panel meters offer a range of display formats, capabilities & sizes. Single display power/energy meters start at $150. Multiple display meters with user selectable parameters are available for $200-800, depending on configuration and capabilities. Bargraph power meters, which show a digital reading and analog level, start around $350.
Advanced parameters, including power factor, demand & harmonics, are standard on many models. Most meters also offer options for setpoint alarms & network communications. Specialized meters are available for applications such as generator monitoring or load shedding.

Applications that don't require a local readout can use a transducer system to monitor power and energy. Data is collected through a network or computer interface.

For portable or temporary use, test instruments such as power analyzers (or power quality monitors) are a convenient solution.

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