Bimetallic thermometer
Precautions while using Laboratory Thermometers
Bimetallic thermometer
Inthisthermometerthedifferentialexpansionofthindissimilarmetals,bondedtogetherintoanarrowstripandcoiledintotheshapeofahelixorspiral,isusedtoactuateapointer.Insomedesignsthepointerisreplacedwithlowvoltagecontactstocontrol,throughrelays,operationswhichdependupontemperature,suchasfurnacecontrols.
Read the directions
Thermistor
Pull the ear canal open by gently pulling the ear lobe back and up
Turn the thermometer on and make sure the screen reads zero
Liquid in glassthermometers
Safety
Clean the thermometer after each use
Discard the plastic cover and put a new one on
Turn the thermometer on and make sure the reading is at zero
Points to kept in Mind while using a thermometer
Considerations
Vaporpressurethermalsystem More ...
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