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The Hydran M2 is a compact permanently mounted on-line transformer monitoring device that will alert personnel to developing fault conditions. It continuously monitors a composite value of various fault gases (in ppm) or a Hydrogen gas only value (depending on sensor purchased). In addition it tracks moisture in oil (reading in %RH and ppm).

With additional sensors added, the Hydran M2 can also compute transformer mathematical models based on IEEE® and IEC® standards to provide further information on the performance of the transformer.

Real-time Hydrogen or composite fault gas monitoring system

Moisture in oil measurement

Ability to integrate additional sensors (load, oil temperature, …)

Option to process transformer mathematical models based on IEC/IEEE standardsEasy to install on a single valve.

No moving parts, no pumps and no extra piping required.

No field calibration required.

Local and remote alarms set at pre defined levels.Hydrogen sensor responds 100% to Hydrogen (general fault gas)

Composite gas sensor responds 100% to Hydrogen and is also sensitive to Carbon Dioxide (overheated paper insulation).

Choice of up to 4x input or output cards

Wide range of communication methods and protocols.

RS485 output is standard. TCP/IP copper or fibre is optional

Vacuum-resistant gas extraction membrane.

Built in temperature condition system.

Full system self test and self-diagnostics.

Logging of data and significant events up to a year.

User-friendly client/server graphical user interface software.

Applications

Medium to large sized transformers.

Lower risk and/or consequence of failure.

Transmission transformers.

Significant step up from manual oil sampling.