Michell Instruments Ltd. - PRODUCT NEWS


New FAST way to increased accuracy of the Optidew Cooled Mirror Hygrometer.

Michell instruments has developed a new technology to increase the accuracy and reliability of their cooled mirror instruments. The Frost Assurance System Technology (FAST) works by ensuring that, for temperatures below 0°C, the 'dew point' reading is always taken from the formation of ice crystals, rather than water droplets.

The new system is now being incorporated into the Optidew range of cooled mirror instruments. Although these hygrometers are already highly accurate, being able to give moisture readings down to a level of -40°Cdp, some applications need even higher levels of accuracy.

Water doesn't always freeze at 0°C - in some circumstances super-cooled water can exist at temperatures as low as -40°C. This can be caused by contaminants in the gas being tested for moisture, or even build up of residue on the cooled mirror surface. Super-cooled water condenses at a slightly different temperature to 'normal' ice formation, and the errors involved are typically equal to 10%.

Michell Instruments FAST technology was invented in order to avoid this effect by taking a specially developed routine where the mirror temperature is controlled and adjusted at certain levels. This means that accurate and reliable readings can be taken time and time again with no human intervention needed.

Michell Instruments FAST technology is currently available on the Optidew range of cooled mirror instruments.

If you would like more information on how FAST increases the accuracy of a Cooled Mirror Hygrometer or the Optidew Precision Cooled Mirror Hygrometer range please contact: Denis Lemaire - Product Manager.

About Michell Instruments
Michell Instruments is the international leader in the field of moisture and humidity measurement solutions. With over 30 years experience, Michell designs and manufactures a wide range of transmitters, instruments and system solutions capable of measuring trace moisture, humidity and dew point in a vast range of applications and industries ranging from compressed air, power generation, process, oil and gas, pharmaceutical and many more. With a fast growing international subsidiary and distribution network, Michell provides solutions in moisture and humidity to the most demanding customers across the globe.

About Rense Instruments
Rense Instruments is an industry leader in the development and production of humidity and temperature measuring sensors, humidity portable and laboratory instruments and calibration transfer standards. Rense Instruments was acquired by Michell in January 2006 and completes Michell Instruments product range in humidity solutions. Rense instruments expertise spans over three decades focusing on serving customers with solutions for HVAC, energy management, storage and many other general industry and OEM applications.

Michell Instruments Limited
48 Lancaster Way Business Park,
Ely, Cambridgeshire CB6 3NW. UK
Tel: +44(0) 1353 658031 Fax: +44(0) 1353 658199
website: www.michell-instruments.co.uk

May 2008

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