Dew point application in Power Station.

The sensor exchange programme, which Michell offers to its dew-point transmitter customers, helped win a major order for dew-point transmitters from a power station in Africa.

The operators wanted to reduce the costs and maintenance time for their hydrogen-cooled electricity generators. One of their major costs was in the maintenance of their moisture sensors which had to be returned to the manufacturer for recalibration and refurbishment. As this could take up to 3 months, a stock of spare sensors was needed to ensure the process could be kept running continuously. The high cost of the necessary stock of backup moisture transmitters greatly increased their overhead.

They selected Michell’s Easidew PRO I.S. dew point transmitters, as an alternative to their usual supplier. As well as its fast response and wide measurement range, the transmitter is part of their sensor exchange programme. This programme is a cost effective way to keep processes running while ensuring the measurement integrity of the moisture transmitters – and there is no need for the additional expense of carrying extra stock of sensors.

The sensor exchange programme is available for the full range of the Easidew Dew-Point Transmitters, as well as the Pura Trace Moisture Transmitters. Customers who sign up to the programme benefit from what is essentially a life time warranty for their transmitters.

The Easidew PRO I.S. dew-point transmitter has a measurement range from -100 to +20°C dew point, with an accuracy of ±1°C. It is also certified for installation in hazardous areas around the world, including ATEX, IECEx and CSA approvals.

• Michell products are marketed in Ireland by Instrument Technology.

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