What are the types of thermometer in physics?

• Clinical thermometer /medical thermometer.
• Laboratory thermometer.
• Digital thermometer.
• Infrared ear thermometer.
• Mercury thermometer.
• Alcohol in glass thermometer.
• Constant pressure gas thermometer.
• Constant volume thermometer.

What are the 4 types of thermometers?

• Digital thermometers.
• Ear (or tympanic) thermometers.
• Infared thermometers.
• Strip-type thermometers.
• Mercury thermometers.

How many different types of thermometers are there?

Common types of thermometers are Medical thermometers, Infrared thermometers, Mercury thermometers, thermocouple thermometers, laboratory thermometers, Bimetallic strip thermometers, Pyrometers, etc.

What are the two main types of thermometer?

• Digital thermometers. Digital thermometers are regarded as the fastest and most accurate type of thermometer.
• Electronic ear thermometers.
• Forehead thermometers.
• Plastic strip thermometers.
• Pacifier thermometer.
• Glass and mercury thermometers.

What are the 5 uses of thermometer?

Body temperature is measured with a medical or clinical thermometer. Laboratory thermometer is used to determine the room temperature of heated solids and liquids. Infrared thermometers can take readings from a distance. Restaurants use thermometers to monitor the temperature of the dishes for baking and cooking.

What is the most common type of thermometer?

Probe thermometers are easily one of the most common types of thermometer. They deliver instant temperature readings of foods, liquids and semi-solid samples.

What is the use of six thermometer?

Six’s maximum and minimum thermometer is a registering thermometer which can record the maximum and minimum temperatures reached over a period of time, for example 24 hours. It is used to record the extremes of temperature at a location, for instance in meteorology and horticulture.

What is the SI unit of temperature?

The kelvin is the SI unit of thermodynamic temperature, and one of the seven SI base units. Unusually in the SI, we also define another unit of temperature, called the degree Celsius (°C). Temperature in degrees Celsius is obtained by subtracting 273.15 from the numerical value of the temperature expressed in kelvin.

What are the three uses of thermometer?

A thermometer is an instrument that measures temperature. It can measure the temperature of a solid such as food, a liquid such as water, or a gas such as air. The three most common units of measurement for temperature are Celsius, Fahrenheit, and kelvin.

What is the principle of thermometer?

A thermometer works on the principle that solids and liquids tend to expand with temperature. When a thermometer lamp is immersed in a given solution or substance, mercury begins to rise. This increase in mercury is studied on a temperature scale.

Which type of thermometer is the most accurate?

Digital thermometers are the most accurate way to measure body temperature. There are many types, including oral, rectal, and forehead, plus many that are multifunctional.

What are the types of thermometer Class 7?

A temperature scale is marked on the glass tube of the clinical thermometer. The clinical thermometer has a temperature scale marked from 35°C to 42°C. The clinical thermometer is a mercury thermometer which has been specially designed to measure the temperature of human body.

What is a thermocouple thermometer?

thermocouple, also called thermal junction, thermoelectric thermometer, or thermel, a temperature-measuring device consisting of two wires of different metals joined at each end. One junction is placed where the temperature is to be measured, and the other is kept at a constant lower temperature.

What is a non digital thermometer called?

In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. Mercury thermometers can be used to determine body, liquid, and vapor temperature.

Who invented the first thermometer?

One of the first thermoscopes was developed by Italian inventor, Galeleo Galilei in 1593.It used water as the liquid and glass bulbs inside an open tube. The glass bulbs rose and fell with the changes in temperature.

What are the characteristics of thermometer?

• Thermometer must be sensitive, i.e., a noticeable change in the thermometric property should be observed for a very small change in temperature.
• It has to be accurate.
• It should be easily reproducible.
• It is important that the system attains thermal equilibrium with the thermometer quickly.

What is the importance of thermometer?

Why are thermometers important? Thermometers measure body temperature which is important in medicine. Many diseases and conditions, from the common cold to cancer or COVID-19, can create an elevated temperature or fever, which is simply the body’s way of fighting an infection.

What are the advantages of thermometer?

Temperatures may be read quickly and accurately using digital thermometers. They’re small and portable, and you can even keep the thermometer in your backpack. It’s simple to read the display. A digital thermometer is reasonably priced.

What type of thermometer is used for water?

Stainless Steel Thermometer, Water Resistant.

Is pyrometer a thermometer?

A pyrometer is a type of remote-sensing thermometer used to measure the temperature of distant objects. Various forms of pyrometers have historically existed.

What are the parts of a thermometer?

The main parts of a mercury thermometer are the capillary, the bulb, the scale, and the expansion chamber.

What is the uses of maximum thermometer?

Maximum/minimum thermometers are often used to measure a maximum/minimum air temperature for example in a greenhouse. Thus, the transfer liquid should preferably remain substantially liquid up to and above the highest expected temperature.

What is the use of minimum thermometer?

A thermometer that automatically registers the lowest temperature attained during an interval of time. see Townsend support) so that as the temperature falls, the index is pulled toward the bulb and remains at the minimum point as the temperature rises.

What is maximum and minimum temperature?

MAXIMUM TEMPERATURE: The definition of maximum is the largest number or highest number of something that is permissible or possible. MINIMUM TEMPERATURE: The lowest temperature recorded—diurnally, monthly, seasonally, or annually, or the lowest temperature of the entire record.

Why is it called kelvin?

The kelvin, symbol K, is the primary unit of temperature in the International System of Units (SI), used alongside its prefixed forms and the degree Celsius. It is named after the Belfast-born and University of Glasgow based engineer and physicist William Thomson, 1st Baron Kelvin (1824–1907).