Filledsystemthermometer
Precautions while using Laboratory Thermometers
Filledsystemthermometer
Thistypeofthermometerhasabourdontubeconnectedbyacapillarytubetoahollowbulb.Whenthesystemisdesignedforandfilledwithagas(usuallynitrogenorhelium)thepressureinthesystemsubstantiallyfollowsthegaslaw,andatemperatureindicationisobtainedfromthebourdontube.Thetemperaturepressuremotionrelationshipisnearlylinear.Atmosphericpressureeffectsareminimizedbyfillingthesystemtoahighpressure.Whenthesystemisdesignedforandfilledwithaliquid,thevolumechangeoftheliquidactuatesthebourdontube.
Laboratory thermometers are devices used to measure temperature
Manufacturers instructions
Laboratory Thermometers
Precautions while using a clinical thermometer
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Turn the thermometer on and make sure the reading is at zero
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HowLaboratory Thermometers work
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