Resistance thermometer
Precautions while using Laboratory Thermometers
Resistance thermometer
Inthistypeofthermometerthechangeinresistanceofconductorsorsemiconductorswithtemperaturechangeisusedtomeasuretemperature.Usually,thetemperaturesensitiveresistanceelementisincorporatedinabridgenetworkwhichhasareasonablyconstantpowersupply.Althoughadeflectioncircuitisoccasionallyused,almostallinstrumentsofthisclassuseanullbalancesystem,inwhichtheresistancechangeisbalancedandmeasuredbyadjustingatleastoneotherresistanceinthebridge.Metalscommonlyusedasthesensitiveelementinresistancethermometersareplatinum,nickel,andcopper.
Clinical Thermometer
Laboratory thermometers are devices used to measure temperature
Types
Pull the ear canal open by gently pulling the ear lobe back and up
Manufacturers instructions
Bimetallic stripthermometers
Considerations
Read the directions
Thermometer Safety
Turn the thermometer on and make sure the reading is at zero
Discard the plastic cover and put a new one on
Mercury laboratory thermometers More ...
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