{"id":1691,"date":"2025-02-28T13:45:53","date_gmt":"2025-02-28T08:15:53","guid":{"rendered":"https:\/\/www.labkafe.com\/blog\/?p=1691"},"modified":"2025-04-02T15:15:27","modified_gmt":"2025-04-02T09:45:27","slug":"laboratory-thermometer","status":"publish","type":"post","link":"https:\/\/www.labkafe.com\/blog\/laboratory-thermometer\/","title":{"rendered":"Laboratory Thermometer: Diagram, Range, and Functions Explained"},"content":{"rendered":"<h2 class=\"simpletoc-title\">Table of Contents<\/h2>\n<ul class=\"simpletoc-list\">\n<li><a href=\"#laboratory-thermometer-diagram\">Laboratory Thermometer Diagram<\/a>\n\n<\/li>\n<li><a href=\"#definition-of-laboratory-thermometer\">Definition of Laboratory Thermometer<\/a>\n\n<\/li>\n<li><a href=\"#laboratory-thermometer-range\">Laboratory Thermometer: Range<\/a>\n\n<\/li>\n<li><a href=\"#laboratory-thermometer-uses\">Laboratory Thermometer: Uses<\/a>\n\n<\/li>\n<li><a href=\"#what-is-the-function-of-a-laboratory-thermometer\">What is the Function of a Laboratory Thermometer?<\/a>\n\n<\/li>\n<li><a href=\"#what-is-the-difference-between-laboratory-and-clinical-thermometer\">What is the Difference Between Laboratory and Clinical Thermometer?<\/a>\n\n<\/li>\n<li><a href=\"#why-cant-clinical-thermometers-be-used-in-laboratories\">Why can&#8217;t Clinical Thermometers be used in Laboratories?<\/a>\n\n<\/li>\n<li><a href=\"#types-of-laboratory-thermometers\">Types of Laboratory Thermometers<\/a>\n\n<\/li>\n<li><a href=\"#laboratory-thermometer-working-explanationnbsp\">Laboratory Thermometer Working: Explanation&nbsp;<\/a>\n\n<\/li>\n<li><a href=\"#how-to-read-a-laboratory-thermometer\">How to Read a Laboratory Thermometer?<\/a>\n\n<\/li>\n<li><a href=\"#frequently-asked-questions-faqs\">Frequently Asked Questions (FAQs)<\/a>\n\n\n<ul><li>\n<a href=\"#does-a-lab-thermometer-have-alcohol-or-mercury\">Does a lab thermometer have alcohol or mercury?<\/a>\n\n<\/li>\n<li><a href=\"#does-a-laboratory-thermometer-have-kink\">Does a Laboratory Thermometer have Kink?<\/a>\n<\/li>\n<\/ul>\n<\/li><\/ul>\n\n\n<p>Confused how to draw lab thermometers or why we need them?<\/p>\n\n\n\n<p>Read along for detailed diagrams and explanation of uses, range, functions and working of lab thermometer. <\/p>\n\n\n\n<p>PS: After reading this, you won&#8217;t get confused between a lab and clinical thermometer ever. <\/p>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"laboratory-thermometer-diagram\"><strong>Laboratory Thermometer Diagram<\/strong><\/h2>\n\n\n<figure class=\"wp-block-image aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" width=\"522\" height=\"96\" src=\"https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXfgS8fvZ2hl8HXaMDgU1rXAQIAftNxWf7E-KgMIXTMEdrWnQyR2RL8Ai2eYMp4QCTdJqyLEu4_Nn-tm2WZqloVZxAmxdZg1WDi6XlNuU6URXYtmBG9h80vCwfda3_IebVlf9MUAA.png\" alt=\"Laboratory Thermometer Diagram\" class=\"wp-image-1693\" srcset=\"https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXfgS8fvZ2hl8HXaMDgU1rXAQIAftNxWf7E-KgMIXTMEdrWnQyR2RL8Ai2eYMp4QCTdJqyLEu4_Nn-tm2WZqloVZxAmxdZg1WDi6XlNuU6URXYtmBG9h80vCwfda3_IebVlf9MUAA.png 522w, https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXfgS8fvZ2hl8HXaMDgU1rXAQIAftNxWf7E-KgMIXTMEdrWnQyR2RL8Ai2eYMp4QCTdJqyLEu4_Nn-tm2WZqloVZxAmxdZg1WDi6XlNuU6URXYtmBG9h80vCwfda3_IebVlf9MUAA-300x55.png 300w\" sizes=\"(max-width: 522px) 100vw, 522px\" \/><\/figure>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"definition-of-laboratory-thermometer\"><strong> Definition<\/strong> <strong>of<\/strong> <strong>Laboratory Thermometer<\/strong><\/h2>\n\n\n<p>Laboratory thermometers measure the temperature of substances in lab settings, not the human body. They help regulate temperature for experiments or controlled environments. After measuring the temperature of the solution with the lab thermometer, the solution is heated or cooled for the experiment accordingly. These thermometers determine melting, boiling, and freezing points and monitor sample or equipment temperatures.<\/p>\n\n\n\n<p>A basic lab thermometer has a glass tube with a bulb containing mercury or alcohol. This liquid must be visible, expand uniformly, and have a low freezing point for accuracy. Lab thermometers ensure speed, precision, and safety in experiments.<\/p>\n\n\n\n<p>A separate thermometer is needed because clinical thermometers are designed for human body temperature ranges, while lab thermometers handle a much wider range for scientific use.<\/p>\n\n\n\n<p class=\"has-text-align-center has-base-2-color has-contrast-background-color has-text-color has-background has-link-color wp-elements-4902671e609370c00236a205ad956569\"><strong><a href=\"https:\/\/wa.link\/23ivca\">To Buy Lab Thermometers, contact us today!<\/a><\/strong><\/p>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"laboratory-thermometer-range\"><strong>Laboratory Thermometer: Range<\/strong><\/h2>\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"905\" height=\"330\" src=\"https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/image-18.png\" alt=\"temperature range of laboratory and clinical thermometers\" class=\"wp-image-1791\" style=\"width:521px;height:auto\" srcset=\"https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/image-18.png 905w, https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/image-18-300x109.png 300w, https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/image-18-768x280.png 768w\" sizes=\"(max-width: 905px) 100vw, 905px\" \/><\/figure>\n\n\n\n<p>Laboratory thermometers range from -10\u02daC to 110\u02daC (Range 120\u02daC). Clinical Thermometers range from 35\u02daC to 42\u02daC (Range 7\u02daC). Clinical thermometers have a much narrower range than lab thermometers, because lab thermometers measure solutions across a wide range of temperatures in lab experiments. They measure human body temperature, which never crosses a certain range of temperature. Hence, wide ranges are unnecessary.<\/p>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"laboratory-thermometer-uses\"><strong>Laboratory Thermometer: Uses<\/strong><\/h2>\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"241\" height=\"209\" src=\"https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/image-19.png\" alt=\"Laboratory thermometer in use- measures melting and boiling points of liquids\" class=\"wp-image-1792\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>They are used to measure melting, boiling, and freezing points.<\/li>\n\n\n\n<li>To check the temperature of solvents and chemicals during sample preparation.<\/li>\n\n\n\n<li>Determine the temperature inside the furnaces used in the laboratory.<\/li>\n\n\n\n<li>Regulating the temperature of transition from solid to gas, gas to liquid, solid to liquid, liquid to solid, and liquid to gas.<\/li>\n\n\n\n<li>For scaling the physical features of a material based on its temperature.<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"what-is-the-function-of-a-laboratory-thermometer\"><strong>What is the Function of a Laboratory Thermometer?<\/strong><\/h2>\n\n\n<p>A laboratory thermometer measures the boiling and freezing points in science experiments. It is also used to determine the temperature of various substances. Its temperature range extends from -10 degrees Celsius to 110 degrees Celsius.<\/p>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"what-is-the-difference-between-laboratory-and-clinical-thermometer\"><strong>What is the Difference Between Laboratory and Clinical Thermometer?<\/strong><\/h2>\n\n\n<p>The table and figure below outline the differences between laboratory and clinical thermometers in detail.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"777\" height=\"477\" src=\"https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXcm2prEwrJxRrKK7jhznR014VqldoAjXNyTbejFLj8HIboHYTbw16xKwiIFIPK0YavVWPCwFg1rwRRqG78d-HOQ014UvicyYuXgV_5tEKd2tEV2X0XXlUqvMbRtO9XoldZnwjU0QQ.png\" alt=\"Differences between clinical thermometers and laboratory thermometers- table\" class=\"wp-image-1694\" style=\"width:575px;height:auto\" srcset=\"https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXcm2prEwrJxRrKK7jhznR014VqldoAjXNyTbejFLj8HIboHYTbw16xKwiIFIPK0YavVWPCwFg1rwRRqG78d-HOQ014UvicyYuXgV_5tEKd2tEV2X0XXlUqvMbRtO9XoldZnwjU0QQ.png 777w, https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXcm2prEwrJxRrKK7jhznR014VqldoAjXNyTbejFLj8HIboHYTbw16xKwiIFIPK0YavVWPCwFg1rwRRqG78d-HOQ014UvicyYuXgV_5tEKd2tEV2X0XXlUqvMbRtO9XoldZnwjU0QQ-300x184.png 300w, https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXcm2prEwrJxRrKK7jhznR014VqldoAjXNyTbejFLj8HIboHYTbw16xKwiIFIPK0YavVWPCwFg1rwRRqG78d-HOQ014UvicyYuXgV_5tEKd2tEV2X0XXlUqvMbRtO9XoldZnwjU0QQ-768x471.png 768w\" sizes=\"(max-width: 777px) 100vw, 777px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1119\" src=\"https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXejqb5_OE5rlxlJrvrQL-0pFXbWJBeI1sSShrHWdWEOmKE8Q20kMj6vzQe8CGzTX66UBcCOSvckSvAQGIf5NIqU5ki4RxKpAvmuw1lzvJCwgGoIbttnrcPpKny7rYeAsjag2Hf2NA.png\" alt=\"schematic showing differences between clinical and laboratory thermometers\" class=\"wp-image-1696\" style=\"width:572px;height:auto\" srcset=\"https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXejqb5_OE5rlxlJrvrQL-0pFXbWJBeI1sSShrHWdWEOmKE8Q20kMj6vzQe8CGzTX66UBcCOSvckSvAQGIf5NIqU5ki4RxKpAvmuw1lzvJCwgGoIbttnrcPpKny7rYeAsjag2Hf2NA.png 1600w, https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXejqb5_OE5rlxlJrvrQL-0pFXbWJBeI1sSShrHWdWEOmKE8Q20kMj6vzQe8CGzTX66UBcCOSvckSvAQGIf5NIqU5ki4RxKpAvmuw1lzvJCwgGoIbttnrcPpKny7rYeAsjag2Hf2NA-300x210.png 300w, https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXejqb5_OE5rlxlJrvrQL-0pFXbWJBeI1sSShrHWdWEOmKE8Q20kMj6vzQe8CGzTX66UBcCOSvckSvAQGIf5NIqU5ki4RxKpAvmuw1lzvJCwgGoIbttnrcPpKny7rYeAsjag2Hf2NA-1024x716.png 1024w, https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXejqb5_OE5rlxlJrvrQL-0pFXbWJBeI1sSShrHWdWEOmKE8Q20kMj6vzQe8CGzTX66UBcCOSvckSvAQGIf5NIqU5ki4RxKpAvmuw1lzvJCwgGoIbttnrcPpKny7rYeAsjag2Hf2NA-768x537.png 768w, https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/AD_4nXejqb5_OE5rlxlJrvrQL-0pFXbWJBeI1sSShrHWdWEOmKE8Q20kMj6vzQe8CGzTX66UBcCOSvckSvAQGIf5NIqU5ki4RxKpAvmuw1lzvJCwgGoIbttnrcPpKny7rYeAsjag2Hf2NA-1536x1074.png 1536w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"why-cant-clinical-thermometers-be-used-in-laboratories\">Why can&#8217;t Clinical Thermometers be used in Laboratories?<\/h2>\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"295\" height=\"171\" src=\"https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/image-20.png\" alt=\"\" class=\"wp-image-1793\" style=\"width:267px;height:auto\"\/><\/figure>\n\n\n\n<p>Laboratory thermometers are designed to withstand extreme temperatures and harsh conditions, making them suitable for use in labs. They provide accurate readings of temperature in solutions, environments, or surroundings. For example, when immersed in water baths with temperatures above the boiling point of water, laboratory thermometers can endure high heat without breaking. In contrast, clinical thermometers, which are designed for measuring body temperature, can break or leak mercury when exposed to such high temperatures. Therefore, laboratory thermometers are more durable and capable of handling the demands of high-temperature environments.<\/p>\n\n\n\n<p class=\"has-text-align-center has-base-2-color has-contrast-background-color has-text-color has-background has-link-color wp-elements-7fd69bca4c37a918b716fe0a01a62edf\"><a href=\"http:\/\/labkafe.com\/?utm_source=blog\"><strong>Visit www.labkafe.com for durable, high-quality lab supplies<\/strong><\/a><\/p>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"types-of-laboratory-thermometers\"><strong>Types of Laboratory Thermometers<\/strong><\/h2>\n\n\n<p>The types of laboratory thermometers commonly used are:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Liquid-in-Glass Thermometer<\/strong>\n<ul class=\"wp-block-list\">\n<li>Glass stem with a bulb containing mercury or alcohol.<\/li>\n\n\n\n<li>Mercury expands or contracts with temperature changes.<\/li>\n\n\n\n<li>Alcohol thermometers are safer as they don\u2019t contain toxic mercury.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Infrared Thermometer<\/strong>\n<ul class=\"wp-block-list\">\n<li>Focuses infrared energy onto a detector that converts it into temperature.<\/li>\n\n\n\n<li>Ideal for measuring surface temperatures from a distance.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Bimetallic Strip Thermometer<\/strong>\n<ul class=\"wp-block-list\">\n<li>Consists of two bonded metals with different temperature coefficients.<\/li>\n\n\n\n<li>Converts temperature into mechanical displacement.<\/li>\n\n\n\n<li>Used for high-temperature control in industries.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Thermistor<\/strong>\n<ul class=\"wp-block-list\">\n<li>Electronic device whose resistance varies with temperature.<\/li>\n\n\n\n<li>Converts resistance change into temperature change.<\/li>\n\n\n\n<li>Ideal for precise measurements in experimental work.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Constant Pressure Gas Thermometer (CPGT)<\/strong>\n<ul class=\"wp-block-list\">\n<li>Uses nitrogen gas and operates at constant pressure and volume.<\/li>\n\n\n\n<li>More accurate and sensitive than liquid-in-glass thermometers.<\/li>\n\n\n\n<li>Used to calibrate other thermometers.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Thermocouple<\/strong>\n<ul class=\"wp-block-list\">\n<li>Consists of two different metals with hot and cold junctions.<\/li>\n\n\n\n<li>Voltage is generated based on the temperature difference.<\/li>\n\n\n\n<li>Can measure very high (up to 2300 K) and low (down to 500 K) temperatures.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Pyrometer<\/strong>\n<ul class=\"wp-block-list\">\n<li>Measures temperature based on radiation emitted from an object.<\/li>\n\n\n\n<li>Includes an optical system and detector.<\/li>\n\n\n\n<li>Used for high-temperature applications like furnaces, without contacting the object.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"laboratory-thermometer-working-explanationnbsp\"><strong>Laboratory Thermometer Working: Explanation <\/strong><\/h2>\n\n\n<p>Laboratory thermometers use mercury or alcohol as the substance to indicate temperature. The substance is held in the bulb of the thermometer, which is immersed in the liquid to be measured. As heat is applied, the liquid heats up, causing the mercury or alcohol to expand and rise up the tube. The capillary tube is graduated, showing the rise in temperature in degrees as the substance expands. This allows the temperature to be measured accurately.&nbsp;<\/p>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"how-to-read-a-laboratory-thermometer\"><strong>How to Read a Laboratory Thermometer?<\/strong><\/h2>\n\n\n<p>Here are the steps for using a laboratory thermometer:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Check the Range<\/strong>: Ensure the thermometer&#8217;s range is suitable for the temperature measurement required in your experiment.<\/li>\n\n\n\n<li><strong>Identify the Least Count<\/strong>: The smallest division on the thermometer is the least count. A lower least count indicates higher precision.<\/li>\n\n\n\n<li><strong>Immersion<\/strong>: Secure the thermometer with a clamp and stand, immersing the bulb completely in the liquid. Make sure the bulb doesn&#8217;t touch the container&#8217;s walls or bottom.<\/li>\n\n\n\n<li><strong>Observe the Rise<\/strong>: Note the rise in the capillary tube. When the rise stops, wait for a few minutes.<\/li>\n\n\n\n<li><strong>Final Temperature<\/strong>: After waiting, read the final temperature of the liquid.<\/li>\n<\/ol>\n\n\n\n<p class=\"has-text-align-center has-base-background-color has-background\">&lt;&lt;<a href=\"https:\/\/www.youtube.com\/watch?v=S0jb7Lmt6pI\">For clear demonstration, watch this video &gt;&gt;<\/a><\/p>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"frequently-asked-questions-faqs\"><strong>Frequently Asked Questions (FAQs)<\/strong><\/h2>\n\n<h3 class=\"wp-block-heading has-text-align-left\" id=\"does-a-lab-thermometer-have-alcohol-or-mercury\"><strong>Does a lab thermometer have alcohol or mercury?<\/strong><\/h3>\n\n\n<p>Lab thermometers can have either, though alcohol is safer as it&#8217;s non-toxic.&nbsp;<\/p>\n\n\n<h3 class=\"wp-block-heading has-text-align-left\" id=\"does-a-laboratory-thermometer-have-kink\"><strong>Does a Laboratory Thermometer have Kink?<\/strong><\/h3>\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"301\" height=\"167\" src=\"https:\/\/www.labkafe.com\/blog\/wp-content\/uploads\/2025\/02\/image-21.png\" alt=\"Kink in Thermometers\n\" class=\"wp-image-1794\" style=\"width:351px;height:auto\"\/><\/figure>\n\n\n\n<p>Laboratory thermometers <strong>DO NOT HAVE KINKS<\/strong>. Kinks are a feature of <strong>clinical thermometers<\/strong>, where they prevent the mercury from falling back too quickly, allowing enough time to read the patient&#8217;s body temperature. In contrast, <strong>laboratory thermometers<\/strong> measure the temperature of solutions with continuously changing temperatures, so kinks are unnecessary. The mercury in laboratory thermometers does not fall back completely into the bulb, which ensures a continuous and accurate temperature reading.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Confused how to draw lab thermometers or why we need them? Read along for detailed diagrams and explanation of uses, range, functions and working of lab thermometer. PS: After reading this, you won&#8217;t get confused between a lab and clinical thermometer ever. Laboratory Thermometer Diagram Definition of Laboratory Thermometer Laboratory thermometers measure the temperature of substances in lab settings, not the human body. They help regulate temperature for experiments or controlled environments. After measuring the temperature of the solution with the lab thermometer, the solution is heated or cooled for the experiment accordingly. These thermometers determine melting, boiling, and freezing points and monitor sample or equipment temperatures. A basic lab thermometer has a glass tube with a bulb containing mercury or alcohol. This liquid must be visible, expand uniformly, and have a low freezing point for accuracy. Lab thermometers ensure speed, precision, and safety in experiments. A separate thermometer is needed because clinical thermometers are designed for human body temperature ranges, while lab thermometers handle a much wider range for scientific use. To Buy Lab Thermometers, contact us today! Laboratory Thermometer: Range Laboratory thermometers range from -10\u02daC to 110\u02daC (Range 120\u02daC). Clinical Thermometers range from 35\u02daC to 42\u02daC (Range 7\u02daC). Clinical thermometers have a much narrower range than lab thermometers, because lab thermometers measure solutions across a wide range of temperatures in lab experiments. They measure human body temperature, which never crosses a certain range of temperature. Hence, wide ranges are unnecessary. Laboratory Thermometer: Uses What is the Function of a Laboratory Thermometer? A laboratory thermometer measures the boiling and freezing points in science experiments. It is also used to determine the temperature of various substances. Its temperature range extends from -10 degrees Celsius to 110 degrees Celsius. What is the Difference Between Laboratory and Clinical Thermometer? The table and figure below outline the differences between laboratory and clinical thermometers in detail.&nbsp; Why can&#8217;t Clinical Thermometers be used in Laboratories? Laboratory thermometers are designed to withstand extreme temperatures and harsh conditions, making them suitable for use in labs. They provide accurate readings of temperature in solutions, environments, or surroundings. For example, when immersed in water baths with temperatures above the boiling point of water, laboratory thermometers can endure high heat without breaking. In contrast, clinical thermometers, which are designed for measuring body temperature, can break or leak mercury when exposed to such high temperatures. Therefore, laboratory thermometers are more durable and capable of handling the demands of high-temperature environments. Visit www.labkafe.com for durable, high-quality lab supplies Types of Laboratory Thermometers The types of laboratory thermometers commonly used are: Laboratory Thermometer Working: Explanation&nbsp; Laboratory thermometers use mercury or alcohol as the substance to indicate temperature. The substance is held in the bulb of the thermometer, which is immersed in the liquid to be measured. As heat is applied, the liquid heats up, causing the mercury or alcohol to expand and rise up the tube. The capillary tube is graduated, showing the rise in temperature in degrees as the substance expands. This allows the temperature to be measured accurately.&nbsp; How to Read a Laboratory Thermometer? Here are the steps for using a laboratory thermometer: &lt;&lt;For clear demonstration, watch this video &gt;&gt; Frequently Asked Questions (FAQs) Does a lab thermometer have alcohol or mercury? Lab thermometers can have either, though alcohol is safer as it&#8217;s non-toxic.&nbsp; Does a Laboratory Thermometer have Kink? Laboratory thermometers DO NOT HAVE KINKS. Kinks are a feature of clinical thermometers, where they prevent the mercury from falling back too quickly, allowing enough time to read the patient&#8217;s body temperature. In contrast, laboratory thermometers measure the temperature of solutions with continuously changing temperatures, so kinks are unnecessary. The mercury in laboratory thermometers does not fall back completely into the bulb, which ensures a continuous and accurate temperature reading.<\/p>\n","protected":false},"author":13,"featured_media":1814,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[303,308,306,307,304],"ppma_author":[373],"class_list":["post-1691","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-equipment","tag-laboratory-thermometer","tag-laboratory-thermometer-diagram","tag-laboratory-thermometer-function","tag-laboratory-thermometer-range","tag-laboratory-thermometer-uses"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Laboratory Thermometer: Diagram, Range, and Functions Explained<\/title>\n<meta name=\"description\" content=\"Complete diagram, function, range and uses of a 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