explain the structure of clinical thermometer with diagram

explain the structure of clinical thermometer with diagram

Sorry, your blog cannot share posts by email. Range is the converse of sensitivity, i.e., the longer the range, the lower is its sensitivity. A clinical thermometer is a thermometer used to measure human body temperature. The bulb is made relatively larger than its bore to contain more of the liquid, so as to improve sensitivity. The narrower the bore, the higher the sensitivity. This page was last changed on 24 October 2020, at 12:25. Answer in brief Q.3 state the principal of a mercury thermometer How to convvert celcius and kelvin scale What is Density .? This kink is called the constriction. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. The range of a clinical thermometer is. The liquid is contained in a thin-walled glass bulb. One end of this tube is sealed and the other end has a glass bulb filled with mercury. Structure of Clinical Thermometer. Thermometer types. The liquid is contained in a thin-walled glass bulb. From Simple English Wikipedia, the free encyclopedia, https://simple.wikipedia.org/w/index.php?title=Clinical_thermometer&oldid=7158511, Creative Commons Attribution/Share-Alike License. These thermometers are used in clinics by doctors, it is a clinical thermometers they are also called a doctor's thermometers or medical thermometers. Your IP: 18.185.126.178 The round glass stem around the capillary tube is made thick. A clinical thermometer has a kink or a constriction in … In the 1860s smaller, better ones were made, and thus thermometers were more often used. For centuries medical thermometers were large, and took many minutes to register a temperature. 3 mins read. Cloudflare Ray ID: 5f86b0208a189ace Example Definitions Formulaes. Draw a neat labeled diagram of a clinical thermometer and explain its construction - Science - Heat Operating principle. Post was not sent - check your email addresses! A clinical thermometer is a thermometer used to measure human body temperature.Most made in the 20th century are mercury-in-glass thermometers. Doctors use a special thermometer called the clinical thermometer for measuring the temperature of the patient’s body. • A clinical thermometer is used to measure body temperature. Coronaviruses cause a variety of diseases in animals ranging from cows, pigs to chicken, and other birds. The narrow bore of the capillary tube is uniform. They are accurate and sensitive, having a narrow place where the mercury level rises very fast. In the 20th century, the traditional clinical thermometer was a mercury-in-glass thermometer.People put the end of this in their mouth (oral temperature), under their arm, or in their rectum (rectal temperature).It is only possible to find oral temperatures on patients who can hold the thermometer … This is just gr8….cn learn more abt Physics anywhere!! Coronaviruses (CoVs) are enveloped positive-sense RNA viruses. Medical thermometers are cleaned before and after each use, with alcohol. Administrator of Mini Physics. Structure: The thermometer is made relatively small so that it is portable and cheap. 5 min. The range can be increased by lengthening the bore. It acts as a magnifying glass. Mercury reacts quickly to the temperature changes whereas alcohol reacts slowly. • A kink in the tube stops the mercury level from falling on it own. Quick summary with Stories. If you spot any errors or want to suggest improvements, please contact us. It has a slight bend or kink in the stem just above the bulb. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Gr8 help…seriously..^-^.. Performance & security by Cloudflare, Please complete the security check to access. Most made in the 20th century are mercury-in-glass thermometers. It takes several tens of seconds to record one reading. A liquid in a glass tube (called a capillary) expands when heated and contracts when cooled.A calibrated scale can then be used to read off the respective temperature that led to the corresponding thermal expansion. This thermometer has the markings from 35°C to 42°C. not a good information i need more information, this will be great reading material for my class! Digital thermometers became widespread in the late 20th century. Main Types of thermometer are given in the list below: Clinical or Medical thermometers. Mostly thermometers made in the 20th century are mercury thermometers. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Learn with Videos. Related Questions to study. The range is limited by the freezing and boiling points of liquid. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Telegram (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to email this to a friend (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Skype (Opens in new window), Differences between boiling and evaporation, Case Study 2: Energy Conversion for A Bouncing Ball, Case Study 1: Energy Conversion for An Oscillating Ideal Pendulum. Mercury expands quite uniformly over a good range of temperatures. The club-like spikes projecting out from their surface gave them the name. Home O Level Thermal Physics Laboratory thermometer. 24 hour clock is used in the airline ticketing When are approximations necessary in daily life why is pendulam not used for time? An ear thermometer was invented in the 1960s, which works quickly and easily. thanks1. The temperature scale is marked outside the glass tube of the thermometer. The thermometer is made relatively small so that it is portable and cheap. Laboratory Thermometer. Liquid-in-glass thermometers are based on the principle of thermal expansion of substances. A kink in the tube stops the mercury level from falling on it own. The narrow bore of the capillary tube is uniform. A labeled diagram shows an image of the device and all parts including he tube and bulb are labeled. View Answer. Alcohol expands non-linearly over different range of temperatures. Another way to prevent getting this page in the future is to use Privacy Pass. Small expansion of the liquid in the liquid bulb will cause a big change in the length of the liquid thread in the capillary tube as it is made narrow. Factors that increase range would at the same time reduce its sensitivity. You may need to download version 2.0 now from the Chrome Web Store. A clinical thermometer consists of a long narrow glass tube. This constriction prevents the mercury from falling back all by itself. Made with | 2010 - 2020 | Mini Physics |. The bulb is made relatively larger than its bore to contain more of the liquid, so as to improve sensitivity. They are accurate and sensitive, having a narrow place where the mercury level rises very fast. clinical thermometer; A Medical thermometer is used to measure body temperature. Structure of laboratory thermometer. In colder countries, most of its liquid-in-glass thermometers use alcohol and not mercury. As the liquid is contained in a thin-walled, small glass bulb, it will be more responsive (faster response) to heat. Notify me of follow-up comments by email. Most show both Celsius scale and Fahrenheit temperature scales, and run from 35 degree Celsius to 42 degree Celsius. Coronaviruses possess an unusual large RNA genome as well as a unique replication strategy.

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