Bimetallic stripthermometers
Precautions while using Laboratory Thermometers
Bimetallic stripthermometers
Bimetallic stripthermometers include two different metals that are bonded together and expand at different rates as they warm up. Since the two metals expand to different lengths, the bimetallic strip is forced to bend or curl towards the side with a lower coefficient of thermal expansion. The movement of the strip is used to deflect a pointer over a calibrated scale which then indicate temperature to the user. Often, long bimetallic strips are wound into a coil and used with a dial.
Mercury laboratory thermometers
Laboratory Thermometers
Warning
Turn the thermometer on and make sure the reading is at zero
Points to kept in Mind while using a thermometer
Vaporpressurethermalsystem
Uses at home clinics and hospitals
Manufacturers instructions
Considerations
Pull the ear canal open by gently pulling the ear lobe back and up
Selection Criteria for Laboratory Thermometers
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