{"id":1973,"date":"2024-03-08T02:02:45","date_gmt":"2024-03-07T19:02:45","guid":{"rendered":"https:\/\/www.tneutron.net\/industri\/?p=1973"},"modified":"2024-03-05T12:48:57","modified_gmt":"2024-03-05T05:48:57","slug":"strain-gauge-position-sensor","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/industri\/strain-gauge-position-sensor\/","title":{"rendered":"Strain Gauge Position Sensor"},"content":{"rendered":"

Position measurement can be done by analog and digital.<\/span> For a shift that is not too far away measurements can be done using analog means, while for longer shift distance it is better to use digital way.<\/span> Position or displacement sensor results can be used to measure linear or angular displacement.<\/span> Technical treatment of the sensor can be done by directly connected (contact) and not connected directly (without contact).<\/span><\/p>\n

Strain gauge can be used as a position sensor.<\/span> SG in its operation exploits a change of resistance so that it can be used to measure the very small displacement due to tensile strains<\/i> .<\/span> The definition of elasticity ( \u03b5<\/i> ) strain gauge is the ratio of the length change (\u0394L) to the original length ( L<\/i> ), namely:<\/span>
\n\"clip_image001\"<\/a><\/p>\n

or the ratio of resistance change ( R<\/i> ) to the original resistance ( R<\/i> ) is equal to the gage factor ( G<\/i> f<\/sub><\/i> ) times the elasticity of starin gage ( \u03b5<\/i> ):<\/span>
\n\"clip_image006\"<\/a><\/p>\n

SG construction is made of thin metal material (foil) placed on paper.<\/span> For SG detection process attached with the specimen in two ways:<\/span>
\n 1. Direction of stretching \/ stretching made as long as possible (axial)<\/span>
\n 2. The direction of perpendicular density \/ stretching is made as short as possible (lateral)<\/span>
\n\"clip_image008\"<\/a>
\n Figure 3.24 Physical form of strain gauge<\/span><\/p>\n

The gauge factor ( G<\/i> f<\/sub><\/i> ) represents the elasticity level of the metal material of the SG.<\/span>
\n \u2022 incompressible metal Gf = 2<\/span>
\n \u2022 piezoresistive Gf = 30 \/<\/span>
\n \u2022 piezoresistive sensors are used on pressure sensor ICs<\/span><\/p>\n

To perform the sensor on the specimen the circuit and placement of SG is<\/span>
\n \u2022 arranged in a series of bridges<\/span>
\n \u2022 two strain gauges are used adjacent, one for stretching \/ density, one for temperature compensation at positions not affected by stretching \/ density<\/span>
\n \u2022 frequency response is determined where the strain gauge is located<\/span>
\n\"clip_image011\"<\/a>
\n Figure 3.25 Installation of strain gauge: (a) bridge circuit<\/span>
\n (b) gage1 and gage 2 positions 90 (c) gage 1 and gage 2 parallel positions<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Position measurement can be done by analog and digital. For a shift that is not too far away measurements can<\/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":[1830],"tags":[3537,3538,3539,3540,3541,3542,3543,3544,3545,3546,3547,3548,3549,3550,3551,3552,3553,3554,3555,3556,3557,3558,3559],"class_list":["post-1973","post","type-post","status-publish","format-standard","hentry","category-english","tag-bracket-positioning-gauge","tag-bracket-positioning-gauge-orthodontic","tag-fsx-gauge-position","tag-fuel-gauge-position","tag-g-scale-positions","tag-g-scale-positions-trombone","tag-gauge-position","tag-gauge-position-indicator","tag-gauge-position-tolerance","tag-highcharts-gauge-label-position","tag-highcharts-gauge-position","tag-highcharts-gauge-title-position","tag-hole-position-gauge-design","tag-position-checking-gauge","tag-position-gauge-design","tag-position-gauge-design-calculation","tag-position-gauge-meaning","tag-position-gauge-plane","tag-position-of-gauge-plane","tag-positional-gauge-adapter","tag-positioner-gauge","tag-pressure-gauge-installation-position","tag-pressure-gauge-position"],"yoast_head":"\nStrain Gauge Position Sensor - TN Industri<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tneutron.net\/industri\/strain-gauge-position-sensor\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Strain Gauge Position Sensor - TN Industri\" \/>\n<meta name=\"twitter:description\" content=\"Position measurement can be done by analog and digital. 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