Thermometer Image: Courtesy FreeDigitalPhotos.net & mistermong USA — The USA’s National Institute for Standards and Technology (NIST) began an active mercury-reduction campaign in 2007, and stopped calibrating Mercury (Chemical symbol: Hg) thermometers entirely on March 1, 2011. A full range of thermometric calibration services continues for non-mercury devices according to the special NIST webpage at: [...]
Contact
Contact thermometry reference fixed points for ITS90 at NPL A 33 minute science lecture describing a journey from the argon triple point to the iridium-carbon eutectic point in the context of UK industry needs by Jonathan Pearce, NPL Temperature & Humidity group, Engineering Measurement Division Contact thermometry is temperature measurement using sensors in contact with [...]
