{"id":3547,"date":"2021-04-09T14:20:22","date_gmt":"2021-04-09T07:20:22","guid":{"rendered":"https:\/\/dbm.com.vn\/product\/uncategorized\/temperature-measurement-and-calibration\/"},"modified":"2021-06-11T11:02:56","modified_gmt":"2021-06-11T04:02:56","slug":"temperature-measurement-and-calibration","status":"publish","type":"product","link":"https:\/\/dbm.com.vn\/en\/product\/temperature-measurement-and-calibration\/","title":{"rendered":"Temperature Measurement And Calibration"},"content":{"rendered":"<p><em><span style=\"text-decoration: underline;\">Key Features:<\/span><\/em><\/p>\n<ul>\n<li>Self-contained bench-mounting unit for experiments with nine different popular temperature measuring devices, and a thermowell to show temperature lag<\/li>\n<li>Uses a platinum resistance thermometer as a reference to accurately calibrate the other devices<\/li>\n<li>Demonstrates how electrical resistance devices and thermocouples work, their characteristics and how to connect them correctly to reduce measurement errors<\/li>\n<li>Includes liquid-in-glass thermometers with safe non-toxic liquid \u2013 no mercury<\/li>\n<li>Hand-held digital thermometer for thermal infrared measurements<\/li>\n<li>Built-in water heater tank with protective guard and drain tap for safe experiments<\/li>\n<li>Built-in pressure sensor (barometer) with display of local water boiling temperature<\/li>\n<li>Works with TecQuipment\u2019s Versatile Data Acquisition System (VDAS\u00ae) for simple and reliable recording and processing of results<\/li>\n<\/ul>\n<p><em><span style=\"text-decoration: underline;\">Description:<\/span><\/em><\/p>\n<ul>\n<li>It includes eight different temperature measurement devices and shows their characteristics and how to calibrate them against a standard. A display shows the temperature from the reference sensor and the local (barometric) pressure from the built-in pressure sensor.<\/li>\n<li>Students add crushed ice (not supplied) to the insulated<br \/>\nicebox and clean water to the fully guarded water heater<br \/>\ntank. A carefully rated immersion heater in the tank heats the water steadily up to boiling, giving time to take accurate results<\/li>\n<li>To the right of the temperature indicator strip, a window allows students to test the thermal infrared thermometer on a matt black or brushed steel surface of the heater tank. This shows limitations of infrared measurements caused by surfaces of different emissivity.<\/li>\n<li>The electronic circuits also include:\n<ul>\n<li>An amplifier to increase the output of the thermocouples for more useful voltage measurement.<\/li>\n<li>Constant current and voltage sources, and a resistive bridge. These show the problems with different measurement circuits and power sources for electrical temperature measurement devices.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><em><span style=\"text-decoration: underline;\">Learning Outcomes:<\/span><\/em><\/p>\n<ul>\n<li>Simulation of two, three and four wire connection of a<br \/>\nplatinum resistance thermometer (PRT)<\/li>\n<li>Constant current and voltage sources<\/li>\n<li>Calibration and linearity of temperature measurement devices and temperature lag<\/li>\n<li>Thermal infrared temperature measurement on surfaces of different emissivity<\/li>\n<li>Thermocouples in series, parallel and the Seebeck effect<\/li>\n<li>Resistance in thermocouple circuits<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Product Code: TD400<\/p>\n","protected":false},"featured_media":3043,"template":"","meta":[],"product_cat":[31,884],"product_tag":[],"_links":{"self":[{"href":"https:\/\/dbm.com.vn\/en\/wp-json\/wp\/v2\/product\/3547"}],"collection":[{"href":"https:\/\/dbm.com.vn\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/dbm.com.vn\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dbm.com.vn\/en\/wp-json\/wp\/v2\/media\/3043"}],"wp:attachment":[{"href":"https:\/\/dbm.com.vn\/en\/wp-json\/wp\/v2\/media?parent=3547"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/dbm.com.vn\/en\/wp-json\/wp\/v2\/product_cat?post=3547"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/dbm.com.vn\/en\/wp-json\/wp\/v2\/product_tag?post=3547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}