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Comem eOLI

Liquid level indicator Comem eOLI, with digital and analog output, is a perfect combination of standard features for easy connection to smart grids.

The device offers reliable, accurate and continuous monitoring of the liquid level inside the conservator, enabling effective maintenance and enhancing reliability of the transformer.

Why Hitachi ABB Power Grids?

  • More than 50 years of experience in manufacturing transformer components
  • Comprehensive product portfolio for distribution and power transformers
  • New generation of liquid level indicators with digital and analog output (eDevices)
  • Global after-sales and customer support network

Product scope

  • Liquid-filled power transformers with conservator
  • Smart grid applications
  • Can be fitted with Comem eViewer device for additional oil level monitoring at eye level
  • Data monitoring available through Modbus and 4-20 mA
  • Dial diameter 220 mm
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