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Precautions while using Laboratory Thermometers
The precautions to be observed while reading a laboratory thermometer.
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.
Points to kept in Mind while using a thermometer
HowLaboratory Thermometers work
Turn the thermometer on and make sure the screen reads zero
Precautions while using a clinical thermometer
Pull the ear canal open by gently pulling the ear lobe back and up
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