A thermometer is a device which is
used for knowing the temperature. The thermometers are able to predict the
temperature with the material which has the linear expansion rate which is over
the desired temperature. The outdoorthermometer is commonly designed including a tube which contains the liquid
and metal strip curled in the spiral form. You have to view the position of
this liquid or the metal strip to position the scale for the thermometer.
Initially you should be examining the physical
phenomena to start calibration of the thermometer. Fahrenheit and Celsius are
the two temperature scales and the calibration temperature of both of these
scales is the boiling point as well the freezing point of the water.
Now you have to select the calibration temperature
of your thermometer. The Celsius scale uses 0 degree and 100 degrees. The
Fahrenheit scale should be set at 32 degrees for the freezing point of the
water and 212 degrees for boiling point.
Thirdly you have to arrange the ice bath in a large container
which can properly fit the thermometer. Then fill the container with water and
ice .then leave it for 10-15 minutes and wait for the stabilization of the temperature.
Put the thermometer into and wait till it reaches its lowest reading.
It’s time to jot down the temperature on the outdoor thermometer. Try to adjust the
thermometer to its freezing point if you can adjust it. But if the thermometer can’t
be adjusted then you have to do a correction when you record the thermometer reading.
For instance, if you are recording the Fahrenheit Thermometer ie, freezing
point of the water and its 40 degrees then you have to subtract 2 degrees from
the reading of your thermometer.
Then you have to put the thermometer in the boiling
water and find out the boiling point of the water and record both the
temperatures. If you are getting the correct temperature of the boiling water
then it’s great if not then check out your thermometer properly.
Conclusion:-
As the usage of the
thermometers is only done for measuring the temperature so the calibration of
all kinds of thermometers can be done in the same manner keeping some of the
points specific for each kind of the thermometer such as digital thermometer ,heating thermometer, oven thermometer or even
the instant read thermometer. 