{"id":2508,"date":"2024-02-09T02:54:45","date_gmt":"2024-02-08T19:54:45","guid":{"rendered":"https:\/\/www.tneutron.net\/elektro\/?p=2508"},"modified":"2024-02-05T08:00:24","modified_gmt":"2024-02-05T01:00:24","slug":"measuring-variable-resistors","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/elektro\/measuring-variable-resistors\/","title":{"rendered":"Measuring Variable Resistors"},"content":{"rendered":"<p><span class=\"notranslate\">The variable resistor is a resistor that can change the value of the unit Ohm his manner twirling players lever or screw that moves the sliding contact \/ sweeper (wiper) contained in the resistor.<\/span> <span class=\"notranslate\"> See Figure 11.<\/span><br \/>\n<a href=\"https:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2017\/01\/image-5.png\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"https:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2017\/01\/image_thumb-4.png\" alt=\"image\" width=\"379\" height=\"127\" border=\"0\" \/><\/a><\/p>\n<p><a href=\"https:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2017\/01\/image-7.png\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"https:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2017\/01\/image_thumb-7.png\" alt=\"image\" width=\"247\" height=\"174\" border=\"0\" \/><\/a><br \/>\n<span class=\"notranslate\"> Figure 11. Variable Resistors<\/span><\/p>\n<p><span class=\"notranslate\"> The variable resistor has a lever players usually called potentiometer (potentiometer), and which has a screw regulator called preset or trimpot.<\/span> <span class=\"notranslate\"> Ohm unit measuring the value of a variable resistor with a multimeter is as shown in Figure 12. The switch in the position \u03a9 measuring range, measuring limit (range) in the position of x1, x10 or k\u03a9, as needed.<\/span><br \/>\n<a href=\"https:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2017\/01\/image-9.png\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"https:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2017\/01\/image_thumb-9.png\" alt=\"image\" width=\"318\" height=\"208\" border=\"0\" \/><\/a><br \/>\n<span class=\"notranslate\"> Figure 12. Measuring Variable Resistors<\/span><\/p>\n<p><span class=\"notranslate\"> <strong>1. Measuring Light Sensitive Resistor \/ Light Dependence Resistor (LDR)<\/strong><\/span><br \/>\n<span class=\"notranslate\"> Light Sensitive Resistor \/ Light Dependence Resistor (LDR) is a resistor that serves as input transducer (sensor) where the value of its Ohm unit affected by light falling on the LDR surface.<\/span><\/p>\n<p><span class=\"notranslate\">Ohm unit measuring the value of LDR using the Multimeter is as shown in Figure 13. The switch in the position \u03a9 measuring range, measuring limit (range) in the position of x1, x10 or k\u03a9, as needed.<\/span><br \/>\n<a href=\"https:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2017\/01\/image-11.png\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"https:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2017\/01\/image_thumb-11.png\" alt=\"image\" width=\"317\" height=\"271\" border=\"0\" \/><\/a><br \/>\n<span class=\"notranslate\"> Figure 13. Measuring Light depence Resistors (LDR)<\/span><\/p>\n<p><span class=\"notranslate\"> As a reference, in the dark, the unit value of LDR = 1MO Ohm (1 Mega Ohm \/ 1000.000\u03a9).<\/span> <span class=\"notranslate\"> Bright place Ohm unit value of LDR = 100\u03a9.<\/span><\/p>\n<p><span class=\"notranslate\"> <strong>2. Measure Thermistor<\/strong><\/span><br \/>\n<span class=\"notranslate\"> Thermistor (Thermally sensitive resistor) is a resistor that is specifically designed to be sensitive to temperature.<\/span> <span class=\"notranslate\"> Thermistor divided into two types.<\/span> <span class=\"notranslate\"> The first, called the Negative Temperature Coefficient Resistor (NTCR), if it gets hot, the unit value of its Ohm reduced, eg at a temperature of 250 OC Ohm its unit value = 47 kilo Ohm (47k\u03a9).<\/span> <span class=\"notranslate\"> The second, called the Positive Temperature Coefficient Resistor (PTCR), if it gets hot, the unit value of its growing Ohm.<\/span><\/p>\n<p><span class=\"notranslate\">Ohm unit measuring the value of a thermistor using the Multimeter is as shown in Figure 14.<\/span><br \/>\n<a href=\"https:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2017\/01\/image-13.png\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"https:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2017\/01\/image_thumb-13.png\" alt=\"image\" width=\"318\" height=\"208\" border=\"0\" \/><\/a><br \/>\n<span class=\"notranslate\"> Figure 14. Measuring Thermistor<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The variable resistor is a resistor that can change the value of the unit Ohm his manner twirling players lever<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[2232],"tags":[3063,3064,3070,3066,3068,3067,3065,3069],"class_list":["post-2508","post","type-post","status-publish","format-standard","hentry","category-english","tag-variable-resistors","tag-variable-resistors-for-sale","tag-variable-resistors-in-everyday-life","tag-variable-resistors-in-the-home","tag-variable-resistors-pdf","tag-variable-resistors-symbol","tag-variable-resistors-types","tag-variable-resistors-wikipedia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Measuring Variable Resistors - 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