Michell Instruments’ S8000 Integrale cooled mirror hygrometer is able to cope with sample gas at pressures of up to 17 barg. This means a reduced response time which can help save users time and money in dry applications – such as compressed air manufacture – where low dew-points are reached.
Pressurising the sample speeds up the response time because the gas will have a higher dew point than the same sample at atmospheric pressure. This is because the water molecules are squeezed closer together under pressure making the sample ‘wetter’ than it would be at atmospheric pressure. For example, a pressure dew point of -65°C at 17barg is equivalent to an atmospheric dew point of -100°C. With the higher dew point under pressure, the S8000 is able to reach the temperature and stabilise much fast than with the lower atmospheric dew point.
The response speed of the instrument has been further enhanced with updates to the S8000 firmware to allow the tracking of any minute dew point changes in the sample gas. All this is good news for manufacturers of compressed air or expensive gases, as increased response time will allow them to react faster to changes and reduce wastage and down-time.
Operating at pressure has the additional benefit of removing the need to reduce pressure on the inlet of the chilled mirror device. The sampling system is accordingly greatly simplified by eradicating potential uncertainties associated with the use of pressure reducing devices which are prone to water vapour contamination. This is of particular benefit to compressed air systems.
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If you would like more information please contact:
Denis Lemaire
Global Product Manager
Michell Instruments
48 Lancaster Way
Ely
Cambridgeshire
CB6 3NW
For marketing enquiries, please contact:
Sarah LaWrence
Michell Instruments
48 Lancaster Way Business Park
Ely, Cambridgeshire
CB6 3NW
UK
Tel - +44(0)1353 658 000
Fax - +44(0)1353 658 199
e-mail – sarah.laWrence@michell.com
Over Michell Instruments
Michell Instruments Groep is marktleider op het gebied van relatieve vocht- en dauwpuntmetingen. Al bijna 40 jaar ontwerpt en produceert Michell Instruments een breed scala aan sensoren, instrumenten en klant specifieke systemen voor het meten van dauwpunt, vocht en zuurstof in toepassingen en industrieën zo divers als luchtbehandeling, energie opwekking, petrochemie, olie en gas, voedselproductie en farmacie.
Michell’s innovatieve producten maken processen goedkoper, schoner, energie efficiënter en veilig.
De groep heeft meerdere productiefaciliteiten in Europa, met het hoofdkantoor in Ely, UK en in Noord Amerika een verkoop en service hoofdkantoor in Rowley (MA). Michell Instruments groep heeft eigen kantoren in 10 landen en een uitgebreid netwerk van getrainde professionals en distributeurs in 56 landen.
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