{"id":6331,"date":"2024-02-09T09:49:58","date_gmt":"2024-02-09T00:49:58","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=6331"},"modified":"2026-10-04T09:02:16","modified_gmt":"2026-10-04T00:02:16","slug":"%ec%b8%a1%ec%98%a8%ec%a0%80%ed%95%ad%ec%b2%b4","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/%ec%b8%a1%ec%98%a8%ec%a0%80%ed%95%ad%ec%b2%b4\/","title":{"rendered":"\uce21\uc628 \uc800\ud56d\uacc4 \uc628\ub3c4 \uce21\uc815"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1244\" height=\"189\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-20.png\" alt=\"\" class=\"wp-image-6335\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-20.png 1244w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-20-768x117.png 768w\" sizes=\"auto, (max-width: 1244px) 100vw, 1244px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1498\" height=\"2048\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-18.png\" alt=\"\" class=\"wp-image-6333\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-18.png 1498w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-18-768x1050.png 768w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-18-1124x1536.png 1124w\" sizes=\"auto, (max-width: 1498px) 100vw, 1498px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1498\" height=\"2048\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-19.png\" alt=\"\" class=\"wp-image-6334\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-19.png 1498w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-19-768x1050.png 768w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-19-1124x1536.png 1124w\" sizes=\"auto, (max-width: 1498px) 100vw, 1498px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">3\uc120\uc2dd\uc744 \ucc45\uc5d0\uc11c \uc81c\ub300\ub85c \uc124\uba85\ud558\uc9c0 \ubabb\ud558\uace0 \uc788\ub294\ub370, Wheatstone Bridge\uc5d0 \uc5f0\uacb0\ud568\uc744 \uc0dd\uac01\ud558\uba74 \uc544\ub798 \uadf8\ub9bc\uc73c\ub85c \uad6c\uc131\ud55c\ub2e4\uace0 \ud55c\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"1201\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-60.png\" alt=\"\" class=\"wp-image-9143\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-60.png 1280w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/02\/image-60-768x721.png 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udcd8 3\uc120\uc2dd \uc800\ud56d \uce21\uc815 (Wheatstone Bridge \uc5f0\uacb0)<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">1\ufe0f\u20e3 \uac1c\uc694<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc800\ud56d \uce21\uc815\uc5d0\uc11c \ub9ac\ub4dc\uc120 \uc800\ud56d\uc774 \ubb38\uc81c\ub97c \uc77c\uc73c\ud0b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>3\uc120\uc2dd\uc740 Wheatstone Bridge \uad6c\uc870\ub97c \ud65c\uc6a9\ud574 \ub9ac\ub4dc\uc120 \uc800\ud56d\uc758 \uc601\ud5a5\uc744 \uc904\uc774\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2\ufe0f\u20e3 \ud68c\ub85c \uad6c\uc131<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>R1, R3<\/strong>: \uae30\uc900 \uc800\ud56d<\/li>\n\n\n\n<li><strong>R2(t)<\/strong>: \uce21\uc815 \ub300\uc0c1 \uc800\ud56d (\uc608: \uc13c\uc11c)<\/li>\n\n\n\n<li><strong>RL1, RL2<\/strong>: \ub9ac\ub4dc\uc120 \uc800\ud56d<\/li>\n\n\n\n<li><strong>Vs<\/strong>: \uacf5\uae09 \uc804\uc555<\/li>\n\n\n\n<li><strong>V1, V2<\/strong>: \ube0c\ub9ac\uc9c0 \ucd9c\ub825 \uc804\uc555<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3\ufe0f\u20e3 \uc804\uc555 \ubd84\ubc30<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ube0c\ub9ac\uc9c0\uc758 \ub450 \ucd9c\ub825 \uc804\uc555\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">$$[ V_1 = \\frac{R_3}{R_1 + R_3} \\cdot V_s ]$$<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">$$[ V_2 = \\frac{R_2(t) + R_{L2}}{R_2 + R_{L1} + R_2(t) + R_{L2}} \\cdot V_s ]$$<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4\ufe0f\u20e3 \ube0c\ub9ac\uc9c0 \ucd9c\ub825<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ube0c\ub9ac\uc9c0 \ucd9c\ub825\uc740 \ub450 \uc804\uc555\uc758 \ucc28\ub85c \uc815\uc758\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">$$[ V_o = V_1 &#8211; V_2 ]$$<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub54c \ub9ac\ub4dc\uc120 \uc800\ud56d\uc774 \ud3ec\ud568\ub418\uc9c0\ub9cc, \uad6c\uc870\uc801\uc73c\ub85c \uc77c\ubd80\uac00 \uc0c1\uc1c4\ub418\uc5b4 \uce21\uc815 \uc624\ucc28\uac00 \uc904\uc5b4\ub4ed\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2728 \ube14\ub85c\uadf8\uc6a9 \uc694\uc57d \ubb38\uad6c<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">3\uc120\uc2dd \uc800\ud56d \uce21\uc815\uc740 Wheatstone Bridge \uad6c\uc870\ub97c \ud65c\uc6a9\ud574 \ub9ac\ub4dc\uc120 \uc800\ud56d\uc758 \uc601\ud5a5\uc744 \ucd5c\uc18c\ud654\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<br>\ube0c\ub9ac\uc9c0 \ucd9c\ub825 \uc804\uc555 $$(V_o = V_1 &#8211; V_2)$$\ub97c \ud1b5\ud574 \ub9ac\ub4dc\uc120 \uc800\ud56d\uc758 \uc601\ud5a5\uc744 \uc904\uc774\uace0, \ubcf4\ub2e4 \uc815\ud655\ud55c \uc800\ud56d \uce21\uc815\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub807\uac8c \uc815\ub9ac\ud558\uba74 \uadf8\ub9bc\uacfc \uc218\uc2dd\uc774 \uc77c\uad00\ub418\uac8c \ub9de\uc544\ub5a8\uc5b4\uc9d1\ub2c8\ub2e4.<br>\ud83d\udc49 \uc6d0\ud558\uc2dc\uba74 \uc81c\uac00 \ube14\ub85c\uadf8\uc6a9\uc73c\ub85c <strong>\uae54\ub054\ud55c \ud68c\ub85c\ub3c4 \uc774\ubbf8\uc9c0<\/strong>\ub97c \ub2e4\uc2dc \uc81c\uc791\ud574\ub4dc\ub824\uc11c \uc190\uae00\uc528 \ub300\uc2e0 \uc804\ubb38\uc801\uc778 \ub290\ub08c\uc744 \uc904 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/m.blog.naver.com\/newrains\/222377613864\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>RTD (Resistance Temperature Detector) PT-100\u03a9<\/strong>\ub294 \uc628\ub3c4\uc5d0 \ub530\ub978 \uc800\ud56d\uc758 \ubcc0\ud654\ub97c \uce21\uc815\ud558\uc5ec \uc628\ub3c4\ub97c \uacb0\uc815\ud558\ub294 \uc13c\uc11c\uc785\ub2c8\ub2e4<sup>1<\/sup><\/a>. PT-100\u03a9\uc5d0\uc11c PT\ub294 Platinum (\ubc31\uae08)\uc744 \ub73b\ud558\uace0, 100\uc740 \uc800\ud56d (\uc634)\uc744 \ub73b\ud569\ub2c8\ub2e4<sup>1<\/sup>. \uc774\ub294 \uc12d\uc528 0\ub3c4\ub97c \ub098\ud0c0\ub0bc \ub54c 100\uc634\uc758 \uc800\ud56d\uc744 \uac16\ub294\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4<sup>1<\/sup>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RTD \uc13c\uc11c\uc758 \uc791\ub3d9 \uc6d0\ub9ac\ub294 \uc13c\uc11c\uc5d0 \uc5f4\uc774 \uac00\ud574\uc9c0\uba74 \uc13c\uc11c \ubb3c\uc9c8\uc740 \ub208\uc5d0 \ubcf4\uc774\uc9c0 \uc54a\uc744 \uc815\ub3c4\uc758 \uc9c4\ub3d9\uc774 \ubc1c\uc0dd\ud558\ub294\ub370 \uc774 \uc9c4\ub3d9\uc73c\ub85c \uc778\ud574 \uc800\ud56d\uac12\uc774 \ucee4\uc9c0\uac8c \ub418\uace0 \uc774 \ubcc0\ud654\ud558\ub294 \uc800\ud56d\uac12\uc740 \uc77c\uc815\ud55c \uacc4\uc218\uc758 \ud2b9\uc9d5\uc744 \ub098\ud0c0\ub0b4\uac8c \ub429\ub2c8\ub2e4<sup>1<\/sup>. RTD\ub294 \uc774 \uc77c\uc815\ud558\uac8c \ubcc0\ud654\ud558\ub294 \uc800\ud56d\uac12\uc744 \uc628\ub3c4\uc5d0 \ub300\ube44\ud574\uc11c \uce21\uc815\ud558\ub294 \uc13c\uc11c\uc785\ub2c8\ub2e4<sup>1<\/sup>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RTD \uc13c\uc11c\ub294 2\uc120\uc2dd, 3\uc120\uc2dd, 4\uc120\uc2dd\uc758 \uacb0\uc120 \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<sup>2<\/sup>. \uac01 \uacb0\uc120 \ubc29\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc9d5\uc744 \uac00\uc9d1\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>2\uc120\uc2dd<\/strong>: \uc774 \ubc29\uc2dd\uc740 \uac00\uc7a5 \uac04\ub2e8\ud558\uc9c0\ub9cc, \uc120\ub85c\uc758 \uc800\ud56d\uc5d0 \uc758\ud55c \uc624\ucc28\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<sup>2<\/sup>. \uc774 \uc624\ucc28\ub294 \uc120\ub85c\uc758 \uae38\uc774\uc640 \uc7ac\uc9c8\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4<sup>3<\/sup>. \ub530\ub77c\uc11c, \uc774 \ubc29\uc2dd\uc740 \uc800\ud56d\uc774 \ud06c\uc9c0 \uc54a\uac70\ub098 \uc120\ub85c\uc758 \uae38\uc774\uac00 \uc9e7\uc740 \uacbd\uc6b0\uc5d0 \uc8fc\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4<sup>2<\/sup>.<\/li>\n\n\n\n<li><strong>3\uc120\uc2dd<\/strong>: \uc774 \ubc29\uc2dd\uc740 2\uc120\uc2dd\uc758 \uc120\ub85c \uc800\ud56d\uc5d0 \uc758\ud55c \uc624\ucc28\ub97c \uc904\uc774\uae30 \uc704\ud574 \uac1c\ubc1c\ub418\uc5c8\uc2b5\ub2c8\ub2e4<sup>2<\/sup>. \uc138 \ubc88\uc9f8 \uc120\uc740 \uc120\ub85c \uc800\ud56d\uc744 \uce21\uc815\ud558\uace0 \uc774\ub97c \ubcf4\uc815\uc5d0 \uc0ac\uc6a9\ud569\ub2c8\ub2e4<sup>2<\/sup>. \uadf8\ub7ec\ub098 \uc644\uc804\ud788 \uc624\ucc28\ub97c \uc81c\uac70\ud558\uc9c0\ub294 \ubabb\ud558\uba70, \uc120\ub85c \uc800\ud56d\uc774 \ub3d9\uc77c\ud574\uc57c \ud569\ub2c8\ub2e4<sup>2<\/sup>.<\/li>\n\n\n\n<li><strong>4\uc120\uc2dd<\/strong>: \uc774 \ubc29\uc2dd\uc740 \uc120\ub85c \uc800\ud56d\uc5d0 \uc758\ud55c \uc624\ucc28\ub97c \uc644\uc804\ud788 \uc81c\uac70\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<sup>2<\/sup>. \ub450 \uc120\uc740 \uc804\ub958\ub97c \uacf5\uae09\ud558\uace0, \ub2e4\ub978 \ub450 \uc120\uc740 \uc804\uc555\uc744 \uce21\uc815\ud558\uc5ec \uc800\ud56d\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4<sup>2<\/sup>. \uc774 \ubc29\uc2dd\uc740 \uac00\uc7a5 \uc815\ud655\ud55c \uce21\uc815\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc, 4\uac1c\uc758 \uc120\uc744 `\ud544\uc694\ub85c \ud558\ubbc0\ub85c \uc124\uce58 \ube44\uc6a9\uc774 \ub354 \ub192\uc2b5\ub2c8\ub2e4<sup>2<\/sup>.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\uac01 \uacb0\uc120 \ubc29\uc2dd\uc758 \uc120\ud0dd\uc740 \uce21\uc815\uc758 \uc815\ud655\ub3c4, \uc124\uce58 \ube44\uc6a9, \ud658\uacbd \ub4f1 \uc5ec\ub7ec \uc694\uc778\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4<a href=\"https:\/\/m.blog.naver.com\/sohnet\/223086422028\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>2<\/sup><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/analog-circuit-design.tistory.com\/entry\/4-Differential-to-Single-Amplifier\">https:\/\/analog-circuit-design.tistory.com\/entry\/4-Differential-to-Single-Amplifier<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.dxmht.com\/ko\/article\/what-are-rtd-sensors.html\"><s>https:\/\/www.dxmht.com\/ko\/article\/what-are-rtd-sensors.html<\/s><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/famtech.tistory.com\/154\">https:\/\/famtech.tistory.com\/154<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/jkpower.tistory.com\/14\">https:\/\/jkpower.tistory.com\/14<\/a><\/p>\n\n\n\n&#8220;`html\n<div class=\"chapter19-wide\">\n\n  <h1>\uce21\uc628\uc800\ud56d\uccb4 \uc628\ub3c4 \uce21\uc815<\/h1>\n\n  <div class=\"subtitle\">\n    RTD \u00b7 PT100 \u00b7 2-Wire \u00b7 3-Wire \u00b7 4-Wire \u00b7 Lead Wire Compensation \u00b7 Wheatstone Bridge\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>1. \ubb38\uc81c<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc0b0\uc5c5\uc6a9\uc73c\ub85c \uc8fc\ub85c \uc0ac\uc6a9\ub418\ub294 \uc628\ub3c4 \uce21\uc815\uc18c\uc790\ub85c\n      \uce21\uc628\uc800\ud56d\uccb4(RTD, Resistance Temperature Detector)\n      PT-100\u03a9\uc758 \uce21\uc815\uc6d0\ub9ac\uc640\n      2\uc120\uc2dd, 3\uc120\uc2dd \ubc0f 4\uc120\uc2dd \uacb0\uc120\uc758 \uce21\uc815\uc624\ucc28\ub97c\n      \ud68c\ub85c\ub97c \uc774\uc6a9\ud558\uc5ec \uc124\uba85\ud55c\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>2. RTD \uae30\ubcf8 \uce21\uc815<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ud544\uae30\uc5d0\uc11c\ub294 RTD\uc5d0 \uc77c\uc815\ud55c \uc804\ub958\n      I<sub>s<\/sub>\ub97c \ud758\ub9ac\uace0\n      RTD \uc591\ub2e8\uc758 \uc804\uc555\uc744 \uce21\uc815\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n             Is\n             \u2193\n             \u2502\n           [ RPT ]\n             \u2502\n             \u2502\u2500\u2500\u2500\u2500\u2500\u2500 V1 \u2500\u2500\u2500\u2500\u2500\u25ba Buffer\n             \u2502\n            GND\n    <\/pre>\n\n    <div class=\"formula\">\n      V<sub>1<\/sub>\n      =\n      I<sub>s<\/sub>R<sub>PT<\/sub>\n    <\/div>\n\n    <p>\n      \uc774\uc0c1\uc801\uc778 Buffer\uc5d0\uc11c\ub294 \uc785\ub825\uc804\ub958\uac00 \uac70\uc758 \ud750\ub974\uc9c0 \uc54a\uc73c\ubbc0\ub85c\n    <\/p>\n\n    <div class=\"formula\">\n      V<sub>o<\/sub>\n      =\n      V<sub>1<\/sub>\n    <\/div>\n\n    <div class=\"formula\">\n      V<sub>o<\/sub>\n      =\n      I<sub>s<\/sub>R<sub>PT<\/sub>\n    <\/div>\n\n    <div class=\"memory\">\n      <strong>\n        \uc77c\uc815\ud55c \uc804\ub958\ub97c RTD\uc5d0 \ud758\ub9ac\uace0\n        \uc804\uc555\uc744 \uce21\uc815\ud558\uba74 \uc800\ud56d\uac12\uc744 \uc54c \uc218 \uc788\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>3. 2\uc120\uc2dd<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      2\uc120\uc2dd\uc5d0\uc11c\ub294 RTD\uc640 \uce21\uc815\ud68c\ub85c \uc0ac\uc774\uc5d0\n      \ub450 \uac1c\uc758 \ub9ac\ub4dc\uc120 \uc800\ud56d\uc774 \uc9c1\ub82c\ub85c \ud3ec\ud568\ub41c\ub2e4.\n    <\/p>\n\n    <pre>\n                   Is\n                   \u2193\n             \u250c\u2500\u2500[ RW ]\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n             \u2502                     \u2502\n           [ RPT ]                 \u25cf V1 \u2500\u2500\u2500\u25ba Buffer \u2500\u2500\u2500\u25ba Vo\n             \u2502                     \u2502\n             \u2514\u2500\u2500[ RW ]\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                                   \u2502\n                                  GND\n    <\/pre>\n\n    <p>\n      \ub9ac\ub4dc\uc120 \ub450 \uac00\ub2e5\uc758 \uc800\ud56d\uc774 \ub3d9\uc77c\ud558\uac8c\n      R<sub>W<\/sub>\ub77c\uace0 \ud558\uba74\n    <\/p>\n\n    <div class=\"formula\">\n      V<sub>1<\/sub>\n      =\n      I<sub>s<\/sub>\n      (\n      R<sub>PT<\/sub>\n      +\n      2R<sub>W<\/sub>\n      )\n    <\/div>\n\n    <p>\n      \ub530\ub77c\uc11c \uce21\uc815\uac12\uc5d0\ub294\n      RTD\ubfd0 \uc544\ub2c8\ub77c \ub9ac\ub4dc\uc120 \uc800\ud56d\ub3c4 \ud3ec\ud568\ub41c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      R<sub>meas<\/sub>\n      =\n      R<sub>PT<\/sub>\n      +\n      2R<sub>W<\/sub>\n    <\/div>\n\n    <div class=\"warning\">\n      <strong>\n        2\uc120\uc2dd\uc740 \ub9ac\ub4dc\uc120 \uc800\ud56d 2R<sub>W<\/sub>\uac00\n        \uadf8\ub300\ub85c \uce21\uc815\uc624\ucc28\uc5d0 \ud3ec\ud568\ub41c\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>4. 3\uc120\uc2dd<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      3\uc120\uc2dd\uc5d0\uc11c\ub294 \ub9ac\ub4dc\uc120\uc744 \ud558\ub098 \ucd94\uac00\ud558\uc5ec\n      \ub9ac\ub4dc\uc120 \uc800\ud56d\uc5d0 \uc758\ud55c \uc601\ud5a5\uc744 \uc904\uc778\ub2e4.\n    <\/p>\n\n    <pre>\n                         Is\n                         \u2193\n                 \u250c\u2500\u2500\u2500\u2500[ RW ]\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n                 \u2502                     \u2502\n                 \u2502                   [ Rs ]\n                 \u2502                     \u2502\n               [ RPT ]\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500[ RW ]\u2500\u2500\u2500\u25cf V1 \u2500\u2500\u2500\u25ba Buffer\n                 \u2502\n                 \u2502\n               [ RW ]\n                 \u2502\n                GND\n    <\/pre>\n\n    <p>\n      \ud544\uae30\uc5d0\uc11c\ub294 \uc138 \ub9ac\ub4dc\uc120\uc758 \uc800\ud56d\uc744\n      \ub3d9\uc77c\ud55c R<sub>W<\/sub>\ub85c \uac00\uc815\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      R<sub>W1<\/sub>\n      =\n      R<sub>W2<\/sub>\n      =\n      R<sub>W3<\/sub>\n      =\n      R<sub>W<\/sub>\n    <\/div>\n\n    <p>\n      \uce21\uc815\uc810\uc758 \uc804\uc555\uc740\n    <\/p>\n\n    <div class=\"formula\">\n      V<sub>1<\/sub>\n      =\n      I<sub>s<\/sub>\n      (\n      R<sub>PT<\/sub>\n      +\n      R<sub>W<\/sub>\n      )\n    <\/div>\n\n    <p>\n      \ub85c \ud544\uae30\uc5d0 \uc815\ub9ac\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <div class=\"memory\">\n      <strong>\n        3\uc120\uc2dd\uc5d0\uc11c\ub294 \ub9ac\ub4dc\uc120 \uc800\ud56d\uc774 \uc11c\ub85c \uac19\ub2e4\ub294 \uc870\uac74\uc744 \uc774\uc6a9\ud558\uc5ec\n        \ub9ac\ub4dc\uc120 \uc800\ud56d\uc758 \uc601\ud5a5\uc744 \ubcf4\uc0c1\ud55c\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>5. 4\uc120\uc2dd<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      4\uc120\uc2dd\uc740 \uc804\ub958 \uacf5\uae09\uc120\uacfc \uc804\uc555 \uce21\uc815\uc120\uc744 \ubd84\ub9ac\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n                       Is\n                       \u2193\n                \u250c\u2500\u2500\u2500\u2500[ RW ]\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n                \u2502                    \u2502\n                \u2502                  Current\n              [ RPT ]\n                \u2502\n                \u2502\u2500\u2500\u2500\u2500[ RW ]\u2500\u2500\u2500\u2500\u2500\u2500 VPT \u2500\u2500\u2500\u25ba Differential Amp\n                \u2502\n                \u2502\u2500\u2500\u2500\u2500[ RW ]\u2500\u2500\u2500\u2500\u2500\u2500 0 V  \u2500\u2500\u2500\u25ba\n                \u2502\n                \u2514\u2500\u2500\u2500\u2500[ RW ]\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n    <\/pre>\n\n    <p>\n      \uc804\uc555 \uce21\uc815\uc120\uc5d0\ub294 \uc774\uc0c1\uc801\uc73c\ub85c \uc804\ub958\uac00 \uac70\uc758 \ud750\ub974\uc9c0 \uc54a\ub294\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      I<sub>sense<\/sub>\n      \u2248\n      0\n    <\/div>\n\n    <p>\n      \ub530\ub77c\uc11c sense lead\uc758 \uc804\uc555\uac15\ud558\ub294 \uac70\uc758 \uc5c6\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      V<sub>PT<\/sub>\n      =\n      I<sub>s<\/sub>R<sub>PT<\/sub>\n    <\/div>\n\n    <div class=\"memory\">\n      <strong>\n        4\uc120\uc2dd\uc5d0\uc11c\ub294 \uc804\ub958\uc120\uacfc \uc804\uc555 \uce21\uc815\uc120\uc744 \ubd84\ub9ac\ud558\uc5ec\n        \ub9ac\ub4dc\uc120 \uc800\ud56d\uc758 \uc601\ud5a5\uc744 \uac70\uc758 \uc81c\uac70\ud55c\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>6. 4\uc120\uc2dd \ucc28\ub3d9\uc99d\ud3ed\uae30<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ud544\uae30\uc5d0\uc11c\ub294 RTD \uc591\ub2e8\uc758 \uc804\uc555\uc744\n      \ucc28\ub3d9\uc99d\ud3ed\uae30\ub85c \uce21\uc815\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n      V1 \u2500\u2500[ R1 ]\u2500\u2500\u2500\u2500\u2510\n                     \u251c\u2500\u2500\u2500\u2500(-)\n                  [ OP AMP ]\u2500\u2500\u2500\u2500\u2500\u2500 Vo\n                     \u251c\u2500\u2500\u2500\u2500(+)\n      V2 \u2500\u2500[ R1 ]\u2500\u2500\u2500\u2500\u2518\n                     \u2502\n                    Vref\n    <\/pre>\n\n    <p>\n      \uc800\ud56d\ube44\uac00 \ub3d9\uc77c\ud558\uac8c \uad6c\uc131\ub418\uba74\n      \ucd9c\ub825\uc740 \ub450 \uc785\ub825\uc804\uc555\uc758 \ucc28\uc5d0 \ube44\ub840\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      V<sub>o<\/sub>\n      =\n      (\n      R<sub>2<\/sub>\/R<sub>1<\/sub>\n      )\n      (\n      V<sub>2<\/sub>-V<sub>1<\/sub>\n      )\n    <\/div>\n\n    <p>\n      RTD \uc591\ub2e8 \uc804\uc555\ucc28\uac00\n      \uc800\ud56d\uac12\uc5d0 \ud574\ub2f9\ud55c\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>7. 2\uc120\uc2dd\u00b73\uc120\uc2dd\u00b74\uc120\uc2dd \ube44\uad50<\/h2>\n\n  <div class=\"table-wrap\">\n\n    <table>\n\n      <thead>\n        <tr>\n          <th>\uacb0\uc120<\/th>\n          <th>\uc774\ubbf8\uc9c0 \ub0b4\uc6a9<\/th>\n          <th>\ub9ac\ub4dc\uc120 \uc601\ud5a5<\/th>\n        <\/tr>\n      <\/thead>\n\n      <tbody>\n\n        <tr>\n          <td><strong>2\uc120\uc2dd<\/strong><\/td>\n          <td>\n            V = I<sub>s<\/sub>(R<sub>PT<\/sub>+2R<sub>W<\/sub>)\n          <\/td>\n          <td>\n            \ub9ac\ub4dc\uc120 \uc800\ud56d\uc774 \uadf8\ub300\ub85c \ud3ec\ud568\n          <\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>3\uc120\uc2dd<\/strong><\/td>\n          <td>\n            \ub3d9\uc77c\ud55c R<sub>W<\/sub>\ub97c \uac00\uc815\ud558\uc5ec \ubcf4\uc0c1\n          <\/td>\n          <td>\n            \ub9ac\ub4dc\uc120 \uc800\ud56d \uc601\ud5a5 \uac10\uc18c\n          <\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>4\uc120\uc2dd<\/strong><\/td>\n          <td>\n            \uc804\ub958 \uacf5\uae09\uc120\uacfc \uc804\uc555 \uce21\uc815\uc120 \ubd84\ub9ac\n          <\/td>\n          <td>\n            \ub9ac\ub4dc\uc120 \uc601\ud5a5 \uac70\uc758 \uc81c\uac70\n          <\/td>\n        <\/tr>\n\n      <\/tbody>\n\n    <\/table>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>8. Wheatstone Bridge\ub97c \uc774\uc6a9\ud55c 3\uc120\uc2dd<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ub9c8\uc9c0\ub9c9 \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294\n      3\uc120\uc2dd RTD\ub97c Wheatstone Bridge\uc5d0 \uc5f0\uacb0\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n                         Vs\n                         +\n                         \u2502\n                \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n                \u2502                 \u2502\n              [ R1 ]            [ R2 ]\n                \u2502                 \u2502\n               V1                \u2502\n                \u2502                \u2502\n              [ R3 ]          [ RL1 ]\n                \u2502                \u2502\n                \u2502               V2\n                \u2502                \u2502\n                \u2502             [ R(t) ]\n                \u2502                \u2502\n                \u2502             [ RL2 ]\n                \u2502                \u2502\n                \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                         \u2502\n                        GND\n    <\/pre>\n\n    <p>\n      \uc67c\ucabd Bridge \uc804\uc555\uc740\n    <\/p>\n\n    <div class=\"formula\">\n      V<sub>1<\/sub>\n      =\n      R<sub>3<\/sub>\n      \/\n      (\n      R<sub>1<\/sub>+R<sub>3<\/sub>\n      )\n      \u00b7\n      V<sub>s<\/sub>\n    <\/div>\n\n    <p>\n      \uc774\ub2e4.\n    <\/p>\n\n    <p>\n      \uc624\ub978\ucabd Bridge \uc804\uc555\uc740\n    <\/p>\n\n    <div class=\"formula\">\n      V<sub>2<\/sub>\n      =\n      [\n      R(t)+R<sub>L2<\/sub>\n      ]\n      \/\n      [\n      R<sub>2<\/sub>\n      +\n      R<sub>L1<\/sub>\n      +\n      R(t)\n      +\n      R<sub>L2<\/sub>\n      ]\n      \u00b7\n      V<sub>s<\/sub>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>9. 3\uc120\uc2dd\uc758 \ub9ac\ub4dc\uc120 \ubcf4\uc0c1<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ud544\uae30\uc5d0\uc11c\ub294\n      \ub450 \ub9ac\ub4dc\uc120\uc758 \uc800\ud56d\uc774 \ub3d9\uc77c\ud558\ub2e4\uace0 \uac00\uc815\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      R<sub>L1<\/sub>\n      =\n      R<sub>L2<\/sub>\n    <\/div>\n\n    <p>\n      Bridge \ucd9c\ub825\uc740\n    <\/p>\n\n    <div class=\"formula\">\n      V<sub>o<\/sub>\n      =\n      V<sub>1<\/sub>\n      &#8211;\n      V<sub>2<\/sub>\n    <\/div>\n\n    <p>\n      \uc774\ub2e4.\n    <\/p>\n\n    <p>\n      \ub9ac\ub4dc\uc120 \uc800\ud56d\uc774 Bridge\uc758 \uc11c\ub85c \ub2e4\ub978 \uc704\uce58\uc5d0 \ud3ec\ud568\ub418\uba74\uc11c\n      \uadf8 \uc601\ud5a5\uc774 \uc11c\ub85c \uc0c1\uc1c4\ub418\ub3c4\ub85d \uad6c\uc131\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"memory\">\n      <strong>\n        3\uc120\uc2dd\uc740 \ub9ac\ub4dc\uc120 \uc800\ud56d\uc774 \ub3d9\uc77c\ud558\ub2e4\ub294 \uc870\uac74\uc744 \uc774\uc6a9\ud574\n        Wheatstone Bridge\uc5d0\uc11c \ub9ac\ub4dc\uc120 \uc624\ucc28\ub97c \uc0c1\uc1c4\ud55c\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>10. Wheatstone Bridge ASCII<\/h2>\n\n  <div class=\"card\">\n\n    <pre>\n                            +Vs\n                             \u2502\n                 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n                 \u2502                       \u2502\n                R1                      R2\n                 \u2502                       \u2502\n              V1 \u25cf                       \u2502\n                 \u2502                      RL1\n                R3                       \u2502\n                 \u2502                    V2 \u25cf\u2500\u2500\u2500\u2500\u2500 Sense Wire\n                 \u2502                       \u2502\n                 \u2502                     RPT(t)\n                 \u2502                       \u2502\n                 \u2502                      RL2\n                 \u2502                       \u2502\n                 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                             \u2502\n                            GND\n\n\n                 Bridge Output\n\n                    Vo = V1 - V2\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>11. \uc774\ubbf8\uc9c0 \ud575\uc2ec \uad00\uacc4<\/h2>\n\n  <div class=\"table-wrap\">\n\n    <table>\n\n      <thead>\n        <tr>\n          <th>\ud56d\ubaa9<\/th>\n          <th>\uc774\ubbf8\uc9c0 \ub0b4\uc6a9<\/th>\n        <\/tr>\n      <\/thead>\n\n      <tbody>\n\n        <tr>\n          <td><strong>\uae30\ubcf8 RTD<\/strong><\/td>\n          <td>\n            V = I<sub>s<\/sub>R<sub>PT<\/sub>\n          <\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>2\uc120\uc2dd<\/strong><\/td>\n          <td>\n            V = I<sub>s<\/sub>(R<sub>PT<\/sub>+2R<sub>W<\/sub>)\n          <\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>3\uc120\uc2dd \uc870\uac74<\/strong><\/td>\n          <td>\n            R<sub>W1<\/sub>\n            =\n            R<sub>W2<\/sub>\n            =\n            R<sub>W3<\/sub>\n          <\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>4\uc120\uc2dd<\/strong><\/td>\n          <td>\n            V<sub>PT<\/sub>\n            =\n            I<sub>s<\/sub>R<sub>PT<\/sub>\n          <\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Bridge Output<\/strong><\/td>\n          <td>\n            V<sub>o<\/sub>\n            =\n            V<sub>1<\/sub>-V<sub>2<\/sub>\n          <\/td>\n        <\/tr>\n\n      <\/tbody>\n\n    <\/table>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <div class=\"keywords\">\n    RTD, PT100, Resistance Temperature Detector,\n    2-Wire, 3-Wire, 4-Wire,\n    Lead Wire Resistance, Wheatstone Bridge,\n    Differential Amplifier, Constant Current\n  <\/div>\n\n<\/div>\n&#8220;`\n","protected":false},"excerpt":{"rendered":"<p>3\uc120\uc2dd\uc744 \ucc45\uc5d0\uc11c \uc81c\ub300\ub85c \uc124\uba85\ud558\uc9c0 \ubabb\ud558\uace0 \uc788\ub294\ub370, Wheatstone Bridge\uc5d0 \uc5f0\uacb0\ud568\uc744 \uc0dd\uac01\ud558\uba74 \uc544\ub798 \uadf8\ub9bc\uc73c\ub85c \uad6c\uc131\ud55c\ub2e4\uace0 \ud55c\ub2e4. \ud83d\udcd8 3\uc120\uc2dd \uc800\ud56d \uce21\uc815 (Wheatstone Bridge \uc5f0\uacb0) 1\ufe0f\u20e3 \uac1c\uc694 2\ufe0f\u20e3 \ud68c\ub85c \uad6c\uc131 3\ufe0f\u20e3 \uc804\uc555 \ubd84\ubc30 \ube0c\ub9ac\uc9c0\uc758 \ub450 \ucd9c\ub825 \uc804\uc555\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ub429\ub2c8\ub2e4: $$[ V_1 = \\frac{R_3}{R_1 + R_3} \\cdot V_s ]$$ $$[ V_2 = \\frac{R_2(t) + R_{L2}}{R_2 + R_{L1} + R_2(t) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1185],"tags":[1998,1997,1999,1272,1271,1707,1268],"class_list":["post-6331","post","type-post","status-publish","format-standard","hentry","category-1185","tag-1998","tag-1997","tag-1999","tag-pt-100","tag-rtd","tag-wheatstone-bridge","tag-1268"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/6331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/comments?post=6331"}],"version-history":[{"count":10,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/6331\/revisions"}],"predecessor-version":[{"id":9568,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/6331\/revisions\/9568"}],"wp:attachment":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=6331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=6331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=6331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}