The main parts of a mercury thermometer are the capillary, the bulb, the scale, and the expansion chamber.
- Spherical Bulb. The bulb is the lowest part of the thermometer, which has a spherical shape. …
- Capillary Tube. …
- Expansion Chamber. …
- Scale Lines. …
- Safety Precautions.
Then, what are the characteristics of a good thermometer?
Answer:
- high thermal capacity.
- easy readability.
- high sensitivity.
- Digital thermometers. …
- Ear (or tympanic) thermometers. …
- Infared thermometers. …
- Strip-type thermometers. …
- Mercury thermometers.
Additionally, what is stem in laboratory thermometer?
A laboratory thermometer can be put into the liquid or other thing that the scientist wants to measure. A laboratory thermometer has a long stem with a silver bulb at the end. The silver color in the bulb usually means there is mercury in it. Mercury becomes bigger as the temperature becomes hotter.
What is stem in thermometer?
Magnified glass makes up the outside jacket of the thermometer, which is called the stem. A thin bore inside the stem gives mercury a route of travel as it expands and contracts. The thin bore is called a capillary. Magnified glass makes reading the mercury level easier.
What is the properties of digital thermometer?
Digital thermometers are temperature-sensing instruments that are easily portable, have permanent probes, and a convenient digital display. The way a digital thermometer works depends upon its type of sensor. Sensor types include resistance temperature detector (RTD), thermocouple and thermistor.