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Yokogawa Electric Corporation

Power Monitors

For power monitoring from the office to the plant, Powercert supports energy-saving regulations and ISO 14001.

Power monitors

PR300 Power and Energy Meter

POWERCERT PR300 Power and Energy Meter

PR300 is a panel-mounted meter designed to meet two user needs: a power facility meter and a meter for monitoring energy consumption.

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CTW Current Transformers


CTW Series are clamp-on type Current Transformers that can be mounted without cutting cables when upgrading existing equipment. Standard lineup includes 100 A, 200 A, 500 A and 800 A models.

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Clamp-on Powermeters


Easy installation/dis-installation, ideal for specific measurement support wide variety of measurement functions such as fundamental power parameters, electric energy, demand and harmonics.

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Download software and various PDF documents including catalogs, specifications, and user's manuals.




A collection of ansers to frequently asked questions regarding product specifications and operation.