The Opto 22 Energy Monitoring Unit (OptoEMU1) is a complete package of hardware and software that lets you monitor energy usage for a 3-phase electrical device—such as an air conditioning and heating unit, compressor, or electric motor—so you can anticipate energy bills and respond quickly when energy use rises unexpectedly.
The package also includes sample control and HMI files that you can use as examples or modify to suit your application.
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