{"id":5605,"date":"2026-08-13T18:14:26","date_gmt":"2026-08-13T10:14:26","guid":{"rendered":"https:\/\/www.sj-gauge.com\/?p=5605"},"modified":"2026-08-13T20:53:31","modified_gmt":"2026-08-13T12:53:31","slug":"industrial-thermometer-inaccurate-reading","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/ja\/industrial-thermometer-inaccurate-reading\/","title":{"rendered":"\u5de5\u696d\u7528\u6e29\u5ea6\u8a08\u306e\u6e2c\u5b9a\u5024\u304c\u4e0d\u6b63\u78ba\u3067\u3059\u304b\uff1f\u633f\u5165\u6df1\u5ea6\u3068\u8a2d\u7f6e\u4f4d\u7f6e\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002"},"content":{"rendered":"<p>\u5de5\u696d\u7528\u6e29\u5ea6\u8a08\u3068PLC\u3001\u6e29\u5ea6\u30c8\u30e9\u30f3\u30b9\u30df\u30c3\u30bf\u30fc\u3001\u307e\u305f\u306f\u643a\u5e2f\u578b\u6e2c\u5b9a\u5668\u3068\u306e\u9593\u3067\u6e2c\u5b9a\u5024\u306b\u5dee\u304c\u751f\u3058\u305f\u3068\u3057\u3066\u3082\u3001\u5fc5\u305a\u3057\u3082\u6e29\u5ea6\u8a08\u304c\u6545\u969c\u3057\u3066\u3044\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u306e\u6e2c\u5b9a\u5668\u306f\u6e2c\u5b9a\u7b87\u6240\u304c\u7570\u306a\u3063\u305f\u308a\u3001\u691c\u51fa\u539f\u7406\u304c\u7570\u306a\u3063\u305f\u308a\u3001\u5fdc\u7b54\u901f\u5ea6\u304c\u7570\u306a\u3063\u305f\u308a\u3059\u308b\u305f\u3081\u3001\u4e00\u6642\u7684\u306a\u5dee\u7570\u304c\u751f\u3058\u308b\u306e\u306f\u6b63\u5e38\u306a\u3053\u3068\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u6e2c\u5b9a\u5024\u304c\u5e38\u306b\u9ad8\u3044\u304b\u4f4e\u3044\u5834\u5408\u306f\u3001\u307e\u305a\u633f\u5165\u6df1\u5ea6\u3001\u8a2d\u7f6e\u4f4d\u7f6e\u3001\u304a\u3088\u3073\u6821\u6b63\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-hero.jpg\" alt=\"4-inch adjustable-angle industrial thermometer with dial and long stem\" class=\"wp-image-5606\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-hero.jpg 1280w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-hero-300x169.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-hero-1024x576.jpg 1024w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-hero-768x432.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-hero-18x10.jpg 18w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-hero-600x338.jpg 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">\u56f31\uff5c4\u30a4\u30f3\u30c1\u306e\u89d2\u5ea6\u8abf\u6574\u53ef\u80fd\u306a\u5de5\u696d\u7528\u6e29\u5ea6\u8a08\u3002\u53d6\u308a\u4ed8\u3051\u89d2\u5ea6\u3068\u30b9\u30c6\u30e0\u306e\u4f4d\u7f6e\u306e\u4e21\u65b9\u304c\u3001\u73fe\u5834\u3067\u306e\u6e2c\u5b9a\u5024\u306e\u89e3\u91c8\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/figcaption><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u76ee\u6b21\u306e\u8868\u793a\/\u975e\u8868\u793a\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u30c8\u30b0\u30eb<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #7b1e1c;color:#7b1e1c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #7b1e1c;color:#7b1e1c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.sj-gauge.com\/ja\/industrial-thermometer-inaccurate-reading\/#why-can-an-industrial-thermometer-give-an-inaccurate-reading\" >\u5de5\u696d\u7528\u6e29\u5ea6\u8a08\u304c\u4e0d\u6b63\u78ba\u306a\u6e2c\u5b9a\u5024\u3092\u793a\u3059\u3053\u3068\u304c\u3042\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.sj-gauge.com\/ja\/industrial-thermometer-inaccurate-reading\/#why-does-insertion-depth-affect-the-reading\" >\u633f\u5165\u6df1\u5ea6\u304c\u8aad\u307f\u53d6\u308a\u7d50\u679c\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.sj-gauge.com\/ja\/industrial-thermometer-inaccurate-reading\/#how-can-you-tell-whether-the-problem-is-installation-or-the-instrument\" >\u554f\u984c\u304c\u8a2d\u7f6e\u4e0d\u826f\u306a\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u6a5f\u5668\u81ea\u4f53\u306b\u3042\u308b\u306e\u304b\u3092\u3069\u3046\u3084\u3063\u3066\u5224\u65ad\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.sj-gauge.com\/ja\/industrial-thermometer-inaccurate-reading\/#international-standards-references\" >\u56fd\u969b\u898f\u683c\u306e\u53c2\u7167<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.sj-gauge.com\/ja\/industrial-thermometer-inaccurate-reading\/#frequently-asked-questions\" >\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.sj-gauge.com\/ja\/industrial-thermometer-inaccurate-reading\/#conclusion\" >\u307e\u3068\u3081<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-why-can-an-industrial-thermometer-give-an-inaccurate-reading\"><span class=\"ez-toc-section\" id=\"why-can-an-industrial-thermometer-give-an-inaccurate-reading\"><\/span>\u5de5\u696d\u7528\u6e29\u5ea6\u8a08\u304c\u4e0d\u6b63\u78ba\u306a\u6e2c\u5b9a\u5024\u3092\u793a\u3059\u3053\u3068\u304c\u3042\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4e3b\u306a\u539f\u56e0\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6e29\u5ea6\u8a08\u306e\u30b9\u30c6\u30e0\u306e\u306d\u3058\u308c\u6df1\u3055\u304c\u4e0d\u5341\u5206\u3067\u3059<\/li>\n\n\n\n<li>\u611f\u77e5\u30c1\u30c3\u30d7\u304c\u30d1\u30a4\u30d7\u58c1\u307e\u305f\u306f\u5bb9\u5668\u30b7\u30a7\u30eb\u306b\u8fd1\u3059\u304e\u308b\u4f4d\u7f6e\u306b\u3042\u308b<\/li>\n\n\n\n<li>\u505c\u6ede\u6c34\u57df\u307e\u305f\u306f\u6d41\u6b62\u6c34\u57df\u3078\u306e\u8a2d\u7f6e<\/li>\n\n\n\n<li>\u30d7\u30ed\u30bb\u30b9\u6e29\u5ea6\u304c\u5909\u5316\u3057\u3001\u8a08\u6e2c\u6a5f\u5668\u306e\u53cd\u5fdc\u901f\u5ea6\u3082\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u3002<\/li>\n\n\n\n<li>\u6e2c\u5b9a\u7bc4\u56f2\u304c\u5e83\u3059\u304e\u308b\u305f\u3081\u3001\u76ee\u76db\u308a\u304c\u8aad\u307f\u306b\u304f\u3044\u3002<\/li>\n\n\n\n<li>\u9577\u671f\u4f7f\u7528\u5f8c\u306e\u6821\u6b63\u30c9\u30ea\u30d5\u30c8<\/li>\n\n\n\n<li>\u30b5\u30fc\u30e2\u30a6\u30a7\u30eb\u3001\u65ad\u71b1\u6750\u3001\u307e\u305f\u306f\u5468\u56f2\u74b0\u5883\u6761\u4ef6\u306b\u3088\u308a\u71b1\u4f1d\u5c0e\u8aa4\u5dee\u304c\u751f\u3058\u308b<\/li>\n<\/ul>\n\n\n\n<p>2\u3064\u306e\u6e29\u5ea6\u8a08\u3092\u6bd4\u8f03\u3059\u308b\u524d\u306b\u3001\u305d\u308c\u3089\u304c\u540c\u3058\u5834\u6240\u3001\u540c\u3058\u5a92\u4f53\u3001\u540c\u3058\u6642\u70b9\u3092\u6e2c\u5b9a\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-does-insertion-depth-affect-the-reading\"><span class=\"ez-toc-section\" id=\"why-does-insertion-depth-affect-the-reading\"><\/span>\u633f\u5165\u6df1\u5ea6\u304c\u8aad\u307f\u53d6\u308a\u7d50\u679c\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u691c\u77e5\u90e8\u304c\u5a92\u4f53\u5185\u90e8\u306b\u5341\u5206\u306b\u6d78\u900f\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u6e2c\u5b9a\u5024\u306f\u914d\u7ba1\u58c1\u3084\u5468\u56f2\u306e\u7a7a\u6c17\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9ad8\u6e29\u914d\u7ba1\u3067\u306f\u4f4e\u3044\u6e2c\u5b9a\u5024\u304c\u5f97\u3089\u308c\u3001\u4f4e\u6e29\u914d\u7ba1\u3067\u306f\u5468\u56f2\u304b\u3089\u306e\u71b1\u306b\u3088\u3063\u3066\u9ad8\u3044\u6e2c\u5b9a\u5024\u304c\u5f97\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u633f\u5165\u9577\u3055\u306f\u3001\u30d1\u30a4\u30d7\u5f84\u3001\u30b9\u30c6\u30e0\u306e\u6709\u52b9\u691c\u77e5\u30be\u30fc\u30f3\u3001\u304a\u3088\u3073\u6d41\u4f53\u6761\u4ef6\u306b\u9069\u5408\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u306d\u3058\u8fbc\u307f\u5f0f\u306e\u63a5\u7d9a\u90e8\u3067\u3042\u3063\u3066\u3082\u3001\u305d\u308c\u81ea\u4f53\u304c\u6b63\u3057\u304f\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-depth.jpg\" alt=\"Long-stem industrial thermometer illustrating adequate insertion depth\" class=\"wp-image-5607\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-depth.jpg 1280w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-depth-300x169.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-depth-1024x576.jpg 1024w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-depth-768x432.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-depth-18x10.jpg 18w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-depth-600x338.jpg 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">\u56f32\uff5c\u9577\u67c4\u6e29\u5ea6\u8a08\u3002\u633f\u5165\u6df1\u5ea6\u304c\u4e0d\u5341\u5206\u306a\u305f\u3081\u3001\u6e2c\u5b9a\u5024\u304c\u7ba1\u58c1\u3084\u5468\u56f2\u74b0\u5883\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u304f\u306a\u308b\u3002.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-can-you-tell-whether-the-problem-is-installation-or-the-instrument\"><span class=\"ez-toc-section\" id=\"how-can-you-tell-whether-the-problem-is-installation-or-the-instrument\"><\/span>\u554f\u984c\u304c\u8a2d\u7f6e\u4e0d\u826f\u306a\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u6a5f\u5668\u81ea\u4f53\u306b\u3042\u308b\u306e\u304b\u3092\u3069\u3046\u3084\u3063\u3066\u5224\u65ad\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u9806\u5e8f\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d7\u30ed\u30bb\u30b9\u6e29\u5ea6\u304c\u5b89\u5b9a\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u6e2c\u5b9a\u7b87\u6240\u3068\u633f\u5165\u6df1\u5ea6\u3092\u6bd4\u8f03\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u30b5\u30fc\u30e2\u30a6\u30a7\u30eb\u3068\u30b9\u30c6\u30e0\u306e\u5bf8\u6cd5\u304c\u4e92\u63db\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u6587\u5b57\u76e4\u3001\u91dd\u3001\u8ef8\u306b\u640d\u50b7\u304c\u306a\u3044\u304b\u70b9\u691c\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u30c8\u30ec\u30fc\u30b5\u30d6\u30eb\u306a\u57fa\u6e96\u5668\u3092\u7528\u3044\u3066\u6821\u6b63\u3092\u884c\u3046\u3002.<\/li>\n<\/ol>\n\n\n\n<p>\u8d64\u5916\u7dda\u6e29\u5ea6\u8a08\u306b\u3088\u308b\u8868\u9762\u6e29\u5ea6\u306e\u6e2c\u5b9a\u5024\u3060\u3051\u3067\u306f\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u6e29\u5ea6\u8a08\u306e\u6e2c\u5b9a\u5024\u304c\u4e0d\u6b63\u78ba\u3067\u3042\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u306a\u305c\u306a\u3089\u3001\u3053\u308c\u30892\u3064\u306e\u6a5f\u5668\u306f\u7570\u306a\u308b\u5834\u6240\u3092\u6e2c\u5b9a\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-connector.jpg\" alt=\"Industrial thermometer with connector and thermowell components\" class=\"wp-image-5608\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-connector.jpg 1280w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-connector-300x169.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-connector-1024x576.jpg 1024w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-connector-768x432.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-connector-18x10.jpg 18w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-connector-600x338.jpg 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">\u56f33\uff5c\u6e29\u5ea6\u8a08\u3001\u63a5\u7d9a\u90e8\u3001\u304a\u3088\u3073\u30b5\u30fc\u30e2\u30a6\u30a7\u30eb\u90e8\u54c1\u3002\u53d6\u308a\u4ed8\u3051\u524d\u306b\u5bf8\u6cd5\u3068\u30b9\u30c6\u30e0\u306e\u4e92\u63db\u6027\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-international-standards-references\"><span class=\"ez-toc-section\" id=\"international-standards-references\"><\/span>\u56fd\u969b\u898f\u683c\u306e\u53c2\u7167<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u3053\u306e\u30c8\u30d4\u30c3\u30af\u306b\u95a2\u3059\u308b\u9078\u5b9a\u3001\u8a2d\u7f6e\u3001\u691c\u8a3c\u3092\u652f\u63f4\u3059\u308b\u898f\u683c\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/knowledge.bsigroup.com\/products\/dial-thermometers\">EN 13190:2001:<\/a><\/strong> \u5de5\u696d\u7528\u30c0\u30a4\u30e4\u30eb\u6e29\u5ea6\u8a08\u306e\u8981\u4ef6\u3068\u8a66\u9a13\u65b9\u6cd5\u3092\u898f\u5b9a\u3057\u3001\u9078\u5b9a\u3068\u8a2d\u7f6e\u306b\u95a2\u3059\u308b\u30ac\u30a4\u30c0\u30f3\u30b9\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/63753\">IEC 60751:2022:<\/a><\/strong> \u6bd4\u8f03\u5bfe\u8c61\u304c\u5de5\u696d\u7528\u767d\u91d1\u62b5\u6297\u6e29\u5ea6\u8a08\u307e\u305f\u306fPt100\u30bb\u30f3\u30b5\u30fc\u3067\u3042\u308b\u5834\u5408\u306f\u3001\u305d\u306e\u62b5\u6297\u5024\u3068\u6e29\u5ea6\u306e\u95a2\u4fc2\u304a\u3088\u3073\u8a31\u5bb9\u8aa4\u5dee\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/2521\">IEC 60584-1:2013:<\/a><\/strong> \u6bd4\u8f03\u5bfe\u8c61\u304c\u71b1\u96fb\u5bfe\u306e\u5834\u5408\u306f\u3001\u30c0\u30a4\u30e4\u30eb\u5f0f\u6e29\u5ea6\u8a08\u306e\u8a31\u5bb9\u8aa4\u5dee\u3092\u76f4\u63a5\u9069\u7528\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u71b1\u96fb\u5bfe\u306e\u71b1\u96fb\u96fb\u5727\u4ed5\u69d8\u3068\u8a31\u5bb9\u8aa4\u5dee\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.iso.org\/standard\/66912.html\">ISO\/IEC 17025:2017:<\/a><\/strong> \u6b63\u5f0f\u306a\u8aa4\u5dee\u5224\u5b9a\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u9069\u5207\u306a\u80fd\u529b\u3092\u6709\u3059\u308b\u6821\u6b63\u6a5f\u95a2\u306b\u30c8\u30ec\u30fc\u30b5\u30d6\u30eb\u306a\u7d50\u679c\u3092\u4f9d\u983c\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u898f\u683c\u306b\u95a2\u3059\u308b\u6ce8\u8a18\uff1a<\/strong> \u6a5f\u5668\u306e\u8a2d\u7f6e\u5834\u6240\u3001\u30d7\u30ed\u30bb\u30b9\u30ea\u30b9\u30af\u3001\u304a\u3088\u3073\u8cfc\u5165\u4ed5\u69d8\u306b\u3064\u3044\u3066\u3001\u9069\u7528\u3055\u308c\u308b\u7bc4\u56f2\u3001\u7248\u3001\u304a\u3088\u3073\u8a8d\u8a3c\u6587\u66f8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u898f\u683c\u3092\u5f15\u7528\u3057\u305f\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u88fd\u54c1\u304c\u81ea\u52d5\u7684\u306b\u8a8d\u8a3c\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u88fd\u9020\u696d\u8005\u306b\u3088\u308b\u578b\u5f0f\u691c\u8a3c\u306b\u4ee3\u308f\u308b\u3082\u306e\u3067\u3082\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\"><span class=\"ez-toc-section\" id=\"frequently-asked-questions\"><\/span>\u3088\u304f\u3042\u308b\u8cea\u554f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-is-a-difference-of-a-few-degrees-between-a-new-and-an-old-thermometer-normal\">\u65b0\u3057\u3044\u6e29\u5ea6\u8a08\u3068\u53e4\u3044\u6e29\u5ea6\u8a08\u3067\u6570\u5ea6\u306e\u5dee\u304c\u3042\u308b\u306e\u306f\u6b63\u5e38\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>\u7cbe\u5ea6\u7b49\u7d1a\u3001\u6e2c\u5b9a\u7bc4\u56f2\u3001\u6e2c\u5b9a\u4f4d\u7f6e\u3001\u304a\u3088\u3073\u30d7\u30ed\u30bb\u30b9\u306e\u5b89\u5b9a\u6027\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u89d2\u5ea6\u306e\u6570\u3060\u3051\u3067\u5224\u65ad\u305b\u305a\u3001\u5404\u6a5f\u5668\u306e\u8a31\u5bb9\u8aa4\u5dee\u3092\u6bd4\u8f03\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-can-i-solve-the-problem-by-adjusting-the-pointer\">\u30dd\u30a4\u30f3\u30bf\u30fc\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>\u633f\u5165\u6df1\u5ea6\u3084\u8a2d\u7f6e\u4f4d\u7f6e\u304c\u539f\u56e0\u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30dd\u30a4\u30f3\u30bf\u30fc\u3092\u8abf\u6574\u3057\u3066\u3082\u554f\u984c\u306f\u4e00\u6642\u7684\u306b\u96a0\u853d\u3055\u308c\u308b\u3060\u3051\u3067\u3059\u3002\u6821\u6b63\u3084\u8abf\u6574\u3092\u884c\u3046\u524d\u306b\u3001\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3092\u7279\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\"><span class=\"ez-toc-section\" id=\"conclusion\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5de5\u696d\u7528\u6e29\u5ea6\u8a08\u306e\u6e2c\u5b9a\u5024\u304c\u4e0d\u6b63\u78ba\u306b\u898b\u3048\u308b\u5834\u5408\u3067\u3082\u3001\u307e\u305a\u6a5f\u5668\u306e\u6545\u969c\u3060\u3068\u6c7a\u3081\u3064\u3051\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u633f\u5165\u6df1\u5ea6\u3001\u6e2c\u5b9a\u4f4d\u7f6e\u3001\u5fdc\u7b54\u901f\u5ea6\u3001\u30b5\u30fc\u30e2\u30a6\u30a7\u30eb\u306e\u8a2d\u8a08\u3001\u6821\u6b63\u72b6\u614b\u306a\u3069\u3001\u69d8\u3005\u306a\u8981\u56e0\u304c\u8aa4\u5dee\u306e\u539f\u56e0\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.sj-gauge.com\/ja\/contact\/\">\u73fe\u5834\u306b\u3042\u308b\u8907\u6570\u306e\u6e29\u5ea6\u8a08\u3067\u6e2c\u5b9a\u5024\u306b\u3070\u3089\u3064\u304d\u304c\u3042\u308b\u5834\u5408\u306f\u3001SJ Gauge\u307e\u3067\u30d1\u30a4\u30d7\u306e\u76f4\u5f84\u3001\u633f\u5165\u9577\u3055\u3001\u6e2c\u5b9a\u7bc4\u56f2\u3001\u8a2d\u7f6e\u72b6\u6cc1\u306e\u5199\u771f\u3092\u304a\u9001\u308a\u304f\u3060\u3055\u3044\u3002\u5f0a\u793e\u306e\u30c1\u30fc\u30e0\u304c\u539f\u56e0\u7a76\u660e\u306e\u304a\u624b\u4f1d\u3044\u3092\u3044\u305f\u3057\u307e\u3059\u3002.<\/a><\/strong><\/p>\n\n\n\n<p>(<strong>\u3055\u3089\u306b\u8aad\u3080\uff1a<\/strong> <a href=\"https:\/\/www.sj-gauge.com\/ja\/industrial-thermometers-types\/\">\u5de5\u696d\u7528\u6e29\u5ea6\u8a08\u306e\u7a2e\u985e\u3068\u9069\u5207\u306a\u9078\u3073\u65b9<\/a>)<\/p>","protected":false},"excerpt":{"rendered":"<p>A reading difference between an industrial thermometer and a PLC, temperature transmitter, or handheld instrument does not necessarily mean the thermometer has failed. The instruments may measure at different points, use different sensing principles, and respond at different speeds, so temporary discrepancies are normal. If the reading remains consistently high or low, first check the insertion depth, installation position, and calibration status. Why Can an Industrial Thermometer Give an Inaccurate Reading? Common causes include: Before comparing two thermometers, confirm that they measure the same location, medium, and point in time. Why Does Insertion Depth Affect the Reading? If the sensing portion does not extend far enough into the medium, the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5616,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[72],"class_list":["post-5605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-temperature"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Inaccurate Industrial Thermometer Readings\u306b\u3064\u3044\u3066\uff5cSJ Gauge<\/title>\n<meta name=\"description\" content=\"Industrial thermometer readings can vary because of insertion depth, installation position, response time, thermowell effects, or calibration drift.\u306b\u3064\u3044\u3066\u3001S\u3002\" \/>\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.sj-gauge.com\/ja\/industrial-thermometer-inaccurate-reading\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Industrial Thermometer Reading Inaccurate?\u3002\u306b\u3064\u3044\u3066\uff5cSJ Gauge\" \/>\n<meta property=\"og:description\" content=\"Industrial thermometer readings can vary because of insertion depth, installation position, response time, thermowell effects, or calibration drift.\u306b\u3064\u3044\u3066\u3001S\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sj-gauge.com\/ja\/industrial-thermometer-inaccurate-reading\/\" \/>\n<meta property=\"og:site_name\" content=\"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-13T10:14:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-13T12:53:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/sj-thermometer-featured-cropped.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"960\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"SJ Gauge\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"SJ Gauge\u306e\u88fd\u54c1\u30fb\u6280\u8853\u60c5\u5831\u306b\u3064\u3044\u3066\uff5cSJ Gauge\" \/>\n<meta name=\"twitter:description\" content=\"\u3053\u306e\u30da\u30fc\u30b8\u306b\u3064\u3044\u3066\u3001SJ Gauge\u306e\u88fd\u54c1\u30fb\u6280\u8853\u60c5\u5831\u3092\u3054\u6848\u5185\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"SJ Gauge\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/ar\\\/industrial-thermometer-inaccurate-reading\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/ar\\\/industrial-thermometer-inaccurate-reading\\\/\"},\"author\":{\"name\":\"SJ Gauge\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/#\\\/schema\\\/person\\\/cbc9e642e49a53b18b3eb832486bd52c\"},\"headline\":\"Industrial Thermometer Reading Inaccurate? 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