Resistance thermometer
Precautions while using Laboratory Thermometers
Resistance thermometer
Inthistypeofthermometerthechangeinresistanceofconductorsorsemiconductorswithtemperaturechangeisusedtomeasuretemperature.Usually,thetemperaturesensitiveresistanceelementisincorporatedinabridgenetworkwhichhasareasonablyconstantpowersupply.Althoughadeflectioncircuitisoccasionallyused,almostallinstrumentsofthisclassuseanullbalancesystem,inwhichtheresistancechangeisbalancedandmeasuredbyadjustingatleastoneotherresistanceinthebridge.Metalscommonlyusedasthesensitiveelementinresistancethermometersareplatinum,nickel,andcopper.
Considerations
Types
Thermometer Safety
HowLaboratory Thermometers work
Warning
Manufacturers instructions
Discard the plastic cover and put a new one on
Filledsystemthermometer
Temperature
Resistance thermometer
Precautions while using a clinical thermometer
Turn the thermometer on and make sure the screen reads zero More ...
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