Steps to use laboratory thermometer
Answers
Answer:
Laboratory Thermometers Information. Laboratory thermometers are used to measure temperatures or temperature changes with a high degree of precision. They are made of metal or glass and strengthened through thermal tempering or annealing. The way a laboratory thermometer works depends upon its type.
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Explanation:
Set up the stand. Typically, laboratory stands are of simple construction, with a thick, heavy base (usually of metal) and a long, thin bar extending upward. Depending upon your experiment, you may have to alter where your stand is positioned. For example, if you are using a Bunsen burner, you may have the legs of the stand straddling the burner, but if you are weighing a material as it undergoes temperature change, the stand's base can face away from the scale.
Attach the clamp to the stand. The clamp has two ends: The first is a rubberized end that will hold the thermometer, and the other is a C-shaped end with a bolt through it. Unscrew the bolt and fit the clamp onto the stand. Tighten the clamp before moving on.
Place the end of the thermometer with the reservoir of liquid in the testing medium. For example, if you are testing the temperature of ice water, place the reservoir in the water, below the ice, but not touching the bottom of the flask or cup the water is held in. This will garner a more accurate temperature.