{"id":2975,"date":"2018-11-18T18:45:32","date_gmt":"2018-11-18T16:45:32","guid":{"rendered":"http:\/\/www.inst-sim.com\/1\/?p=2975"},"modified":"2018-11-20T06:23:00","modified_gmt":"2018-11-20T04:23:00","slug":"gas-detectors","status":"publish","type":"post","link":"https:\/\/www.inst-sim.com\/1\/fg\/gas-detectors\/","title":{"rendered":"\u0643\u0627\u0634\u0641\u0627\u062a \u0627\u0644\u063a\u0627\u0632 Gas Detectors"},"content":{"rendered":"<p>.<\/p>\n<h2><span style=\"color: #ff6600;\">\u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u063a\u0627\u0632\u0627\u062a Types of gas<\/span><\/h2>\n<ul style=\"list-style-type: square;\">\n<li>\u063a\u0627\u0632\u0627\u062a \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0625\u0634\u062a\u0639\u0627\u0644 \u0623\u0648 \u0627\u0644\u0625\u0646\u0641\u062c\u0627\u0631\u00a0 <span style=\"color: #0000ff;\">Flammable\/Combustible Gases<\/span> .<\/li>\n<li>\u063a\u0627\u0632\u0627\u062a \u0633\u0627\u0645\u0629\u00a0<span style=\"color: #0000ff;\">Toxic Gases<\/span> .<\/li>\n<li>\u0627\u0644\u0623\u0643\u0633\u062c\u064a\u0646\u00a0<span style=\"color: #0000ff;\">Oxygen<\/span> .<\/li>\n<li>\u0623\u0648\u0644 \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u00a0<span style=\"color: #0000ff;\">Carbon Monoxide<\/span> .<\/li>\n<li>\u062b\u0627\u0646\u064a \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0628\u0631\u064a\u062a\u00a0<span style=\"color: #0000ff;\">Sulfur Dioxide<\/span> .<\/li>\n<li>\u062b\u0627\u0646\u064a\u00a0\u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0646\u064a\u062a\u0631\u0648\u062c\u064a\u0646 <span style=\"color: #0000ff;\">Nitrogen Dioxide<\/span> .<\/li>\n<li>\u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646 <span style=\"color: #0000ff;\">Hydrogen<\/span> .<\/li>\n<li>\u0643\u0628\u0631\u064a\u062a\u064a\u062f \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646\u00a0<span style=\"color: #0000ff;\">Hydrogen Sulfide<\/span> .<\/li>\n<\/ul>\n<p>*<\/p>\n<h2><span style=\"color: #ff6600;\">\u0623\u0646\u0648\u0627\u0639 \u062a\u0642\u0646\u064a\u0627\u062a \u062d\u0633\u0627\u0633\u0627\u062a \u0643\u0634\u0641 \u0627\u0644\u063a\u0627\u0632\u0627\u062a Gas Sensing Technologies<\/span><\/h2>\n<ul style=\"list-style-type: square;\">\n<li>\u062d\u0633\u0627\u0633\u0627\u062a \u0627\u0644\u063a\u0627\u0632\u0627\u062a \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0625\u0634\u062a\u0639\u0627\u0644\u00a0<span style=\"color: #0000ff;\">Combustible Gas Sensors<\/span> : \u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u0639\u0627\u0645\u0644 \u0627\u0644\u062d\u0641\u0627\u0632 <span style=\"color: #0000ff;\">Catalytic<\/span> &#8211; \u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621\u00a0<span style=\"color: #0000ff;\">Infrared<\/span> .<\/li>\n<li>\u062d\u0633\u0627\u0633\u0627\u062a \u0643\u0628\u0631\u064a\u062a\u064a\u062f \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646\u00a0 <span style=\"color: #0000ff;\">Hydrogen Sulfide\u00a0Sensors<\/span> : \u062a\u0642\u0646\u064a\u0629 \u0643\u0647\u0631\u0648\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629\u00a0<span style=\"color: #0000ff;\">Electrochemical<\/span> \u0648\u062a\u0642\u0646\u064a\u0629\u00a0<span style=\"color: #0000ff;\">MOS<\/span> .<\/li>\n<li>\u062d\u0633\u0627\u0633\u0627\u062a \u0627\u0644\u0623\u0643\u0633\u062c\u064a\u0646\u00a0<span style=\"color: #0000ff;\">Oxygen\u00a0Sensors<\/span> : \u062a\u0642\u0646\u064a\u0629 \u0643\u0647\u0631\u0648\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629\u00a0<span style=\"color: #0000ff;\">Electrochemical<\/span> .<\/li>\n<li>\u062d\u0633\u0627\u0633\u0627\u062a \u0623\u0648\u0644 \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0631\u0628\u0648\u0646 <span style=\"color: #0000ff;\">Carbon Monoxide<\/span> : \u062a\u0642\u0646\u064a\u0629 \u0643\u0647\u0631\u0648\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629\u00a0<span style=\"color: #0000ff;\">Electrochemical<\/span> .<\/li>\n<li>\u062d\u0633\u0627\u0633\u0627\u062a \u063a\u0627\u0632 \u0627\u0644\u0643\u0644\u0648\u0631 <span style=\"color: #0000ff;\">Chlorine<\/span> : \u062a\u0642\u0646\u064a\u0629 \u0643\u0647\u0631\u0648\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629\u00a0<span style=\"color: #0000ff;\">Electrochemical<\/span> .<\/li>\n<li>\u062d\u0633\u0627\u0633\u0627\u062a \u062b\u0627\u0646\u064a \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0628\u0631\u064a\u062a <span style=\"color: #0000ff;\">Sulfur Dioxide<\/span> : \u062a\u0642\u0646\u064a\u0629 \u0643\u0647\u0631\u0648\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629\u00a0<span style=\"color: #0000ff;\">Electrochemical<\/span> .<\/li>\n<li>\u062d\u0633\u0627\u0633\u0627\u062a \u062b\u0627\u0646\u064a\u00a0\u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0646\u064a\u062a\u0631\u0648\u062c\u064a\u0646 <span style=\"color: #0000ff;\">Nitrogen Dioxide<\/span> : \u062a\u0642\u0646\u064a\u0629 \u0643\u0647\u0631\u0648\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629\u00a0<span style=\"color: #0000ff;\">Electrochemical<\/span> .<\/li>\n<\/ul>\n<p>*<\/p>\n<h2><span style=\"color: #ff6600;\">\u062d\u0633\u0627\u0633\u0627\u062a \u0627\u0644\u063a\u0627\u0632\u0627\u062a \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0625\u0634\u062a\u0639\u0627\u0644 \u0623\u0648 \u0627\u0644\u0625\u0646\u0641\u062c\u0627\u0631\u00a0 Flammable Gases<\/span><\/h2>\n<p style=\"text-align: justify;\">\u0644\u0643\u064a \u064a\u062d\u062f\u062b \u062d\u0631\u064a\u0642 \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u0648\u0641\u0631 \u062b\u0644\u0627\u062b \u0639\u0648\u0627\u0645\u0644 \u0648\u0647\u064a \u0627\u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0645\u0630\u0643\u0648\u0631\u0629 \u0641\u064a \u0645\u062b\u0644\u062b \u0627\u0644\u062d\u0631\u064a\u0642\u00a0<span class=\"ILfuVd\"><span dir=\"ltr\">Fire Triangle<\/span><\/span> \u0627\u0644\u0645\u0648\u0636\u062d \u0641\u064a \u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u062a\u0627\u0644\u064a. \u0648\u0644\u0645\u0646\u0639 \u062d\u062f\u0648\u062b \u0627\u0644\u062d\u0631\u064a\u0642 \u0623\u0648 \u0627\u0644\u0625\u0646\u0641\u062c\u0627\u0631 \u064a\u062c\u0628 \u0625\u0632\u0627\u0644\u0629 \u0623\u062d\u062f \u0623\u0636\u0644\u0627\u0639 \u0627\u0644\u0645\u062b\u0644\u062b. \u0648\u0647\u0630\u0627 \u0645\u0627 \u062a\u0647\u062f\u0641 \u0625\u0644\u064a\u0647 \u0643\u0644 \u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0625\u0646\u0641\u062c\u0627\u0631 \u0648\u0647\u0648 \u0625\u0632\u0627\u0644\u0629 \u0623\u062d\u062f \u0623\u0636\u0644\u0627\u0639 \u0627\u0644\u0645\u062b\u0644\u062b \u0639\u0644\u064a \u0627\u0644\u0623\u0642\u0644.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-2984 size-full\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/11\/Fire-Triangle-Ani2.gif\" alt=\"\" width=\"300\" height=\"293\" \/><\/p>\n<p>.<\/p>\n<p style=\"text-align: justify;\"><strong><u>\u062e\u0644\u064a\u0637 \u0627\u0644\u0623\u0643\u0633\u062c\u064a\u0646 \u0648\u0627\u0644\u0648\u0642\u0648\u062f<\/u><\/strong><\/p>\n<p style=\"text-align: justify;\">\u064a\u0648\u062c\u062f \u0634\u0631\u0637 \u062e\u0627\u0635 \u0628\u0643\u0644 \u0645\u0646 \u0627\u0644\u0623\u0643\u0633\u062c\u064a\u0646 \u0648\u0627\u0644\u0648\u0642\u0648\u062f \u062d\u064a\u062b \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0627\u0644\u062e\u0644\u064a\u0637 \u0628\u0646\u0633\u0628\u0629 \u0635\u062d\u064a\u062d\u0629 \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0625\u0646\u0641\u062c\u0627\u0631 \u062d\u064a\u062b \u0623\u0646\u0647 \u0644\u0627 \u064a\u0639\u0646\u064a \u0648\u062c\u0648\u062f \u0627\u0644\u0648\u0642\u0648\u062f \u0648\u0627\u0644\u0623\u0643\u0633\u062c\u064a\u0646 \u0648\u0627\u0644\u0644\u0647\u0628 \u062d\u062f\u0648\u062b \u0627\u0644\u0625\u0646\u0641\u062c\u0627\u0631.<\/p>\n<ul style=\"text-align: justify;\">\n<li>\u0625\u0630\u0627 \u0642\u0644\u062a \u0627\u0644\u0646\u0633\u0628\u0629 \u0639\u0646 \u062d\u062f \u0645\u0639\u064a\u0646 \u0644\u0646 \u064a\u062d\u062f\u062b \u0625\u0646\u0641\u062c\u0627\u0631 \u0631\u063a\u0645 \u062a\u0648\u0627\u0641\u0631 \u0627\u0644\u0623\u0636\u0644\u0627\u0639 \u0627\u0644\u062b\u0644\u0627\u062b\u0629 \u0644\u0645\u062b\u0644\u062b \u0627\u0644\u062d\u0631\u064a\u0642.<\/li>\n<li>\u0625\u0630\u0627 \u0632\u0627\u062f\u062a \u0627\u0644\u0646\u0633\u0628\u0629 \u0639\u0646 \u062d\u062f \u0645\u0639\u064a\u0646 \u0644\u0646 \u064a\u062d\u062f\u062b \u0625\u0646\u0641\u062c\u0627\u0631 \u0631\u063a\u0645 \u062a\u0648\u0627\u0641\u0631 \u0627\u0644\u0623\u0636\u0644\u0627\u0639 \u0627\u0644\u062b\u0644\u0627\u062b\u0629 \u0644\u0645\u062b\u0644\u062b \u0627\u0644\u062d\u0631\u064a\u0642.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">\u0648\u0645\u0646 \u0647\u0646\u0627 \u062a\u0638\u0647\u0631 \u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0627\u0644\u062e\u0627\u0635 \u0628\u0640 &#8220;\u0627\u0644\u062e\u0644\u064a\u0637 \u0627\u0644\u0625\u0646\u0641\u062c\u0627\u0631\u064a&#8221; <span style=\"color: #0000ff;\">Explosive Mixture<\/span> \u0648\u0647\u0648 \u0627\u0644\u062e\u0644\u064a\u0637 \u0627\u0644\u0630\u064a \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u064a \u0646\u0633\u0628\u0629 \u0645\u0639\u064a\u0646\u0629 \u0645\u0646 \u0627\u0644\u0648\u0642\u0648\u062f \u0625\u0644\u064a \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u062c\u0648\u064a \u062a\u0642\u0639 \u0636\u0645\u0646 \u0627\u0644\u062d\u062f\u0648\u062f \u0627\u0644\u0625\u0646\u0641\u062c\u0627\u0631\u064a\u0629 <span style=\"color: #0000ff;\">Explosive Limits<\/span> .<\/p>\n<ul>\n<li style=\"text-align: justify;\">\u0627\u0644\u062d\u062f \u0627\u0644\u0625\u0646\u0641\u062c\u0627\u0631\u064a \u0627\u0644\u0623\u062f\u0646\u064a <span style=\"color: #0000ff;\">Lower Explosive Limit LEL<\/span> : \u0647\u0648 \u0623\u0642\u0644 \u0646\u0633\u0628\u0629 \u062e\u0644\u064a\u0637 \u0644\u0644\u0648\u0642\u0648\u062f (\u063a\u0627\u0632 \u2013 \u0628\u062e\u0627\u0631) \u0625\u0644\u064a \u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062d\u062f\u062b \u0639\u0646\u062f\u0647\u0627 \u0625\u0646\u0641\u062c\u0627\u0631.<\/li>\n<li style=\"text-align: justify;\">\u0627\u0644\u062d\u062f \u0627\u0644\u0625\u0646\u0641\u062c\u0627\u0631\u064a \u0627\u0644\u0623\u0639\u0644\u064a <span style=\"color: #0000ff;\">Upper Explosive Limit UEL<\/span> : \u0647\u0648 \u0623\u0639\u0644\u064a \u0646\u0633\u0628\u0629 \u062e\u0644\u064a\u0637 \u0644\u0644\u0648\u0642\u0648\u062f (\u063a\u0627\u0632 \u2013 \u0628\u062e\u0627\u0631) \u0625\u0644\u064a \u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062d\u062f\u062b \u0639\u0646\u062f\u0647\u0627 \u0625\u0646\u0641\u062c\u0627\u0631 .<\/li>\n<\/ul>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-2977 size-full\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/11\/Gas-Detector.jpg\" alt=\"\" width=\"678\" height=\"312\" srcset=\"https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/11\/Gas-Detector.jpg 678w, https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/11\/Gas-Detector-300x138.jpg 300w\" sizes=\"(max-width: 678px) 100vw, 678px\" \/><\/p>\n<p>*<\/p>\n<p>\u0639\u0644\u064a \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644:<\/p>\n<table dir=\"ltr\" style=\"border-color: #000000;\" border=\"1\" cellspacing=\"1\">\n<tbody>\n<tr>\n<td width=\"138\"><strong>Flammable Gas<\/strong><\/td>\n<td width=\"84\"><strong>LEL%<\/strong><\/td>\n<td width=\"92\"><strong>UEL%<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"138\">Hexane (C6H14)<\/td>\n<td width=\"84\">1.2% Vol<\/td>\n<td width=\"92\">7.7% Vol<\/td>\n<\/tr>\n<tr>\n<td width=\"138\">Hydrogen (H2)<\/td>\n<td width=\"84\">4.0% Vol<\/td>\n<td width=\"92\">75.0% Vol<\/td>\n<\/tr>\n<tr>\n<td width=\"138\">Mathane (CH4)<\/td>\n<td width=\"84\">5.0% Vol<\/td>\n<td width=\"92\">15.0% Vol<\/td>\n<\/tr>\n<tr>\n<td width=\"138\">Pentane (C5H12)<\/td>\n<td width=\"84\">1.5% Vol<\/td>\n<td width=\"92\">8.0% Vol<\/td>\n<\/tr>\n<tr>\n<td width=\"138\">Propane (C3H8)<\/td>\n<td width=\"84\">2.1% Vol<\/td>\n<td width=\"92\">9.5% Vol<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>*<\/p>\n<h2><span style=\"color: #ff6600;\">\u0641\u0643\u0631\u0629 \u0639\u0645\u0644 \u062d\u0633\u0627\u0633 \u0627\u0644\u0639\u0627\u0645\u0644 \u0627\u0644\u062d\u0641\u0627\u0632 Catalytic Sensor Operation<\/span><\/h2>\n<ul>\n<li>\u064a\u0639\u062a\u0645\u062f \u0639\u0644\u064a \u0627\u0644\u062a\u0644\u0627\u0645\u0633 <span style=\"color: #0000ff;\">Contact-Based<\/span> \u0645\u0639 \u0627\u0644\u063a\u0627\u0632 .<\/li>\n<li>\u0642\u064a\u0627\u0633 \u062a\u062f\u0645\u064a\u0631\u064a <span style=\"color: #0000ff;\">Destructive Measurement<\/span> .<\/li>\n<li>\u0637\u0631\u064a\u0642\u0629 \u062a\u0642\u0644\u064a\u062f\u064a\u0629 <span style=\"color: #0000ff;\">Traditional Method<\/span> .<\/li>\n<li>\u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0648\u062d\u064a\u062f \u0644\u0643\u0634\u0641 \u063a\u0627\u0632 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646 <span style=\"color: #0000ff;\">Hydrogen<\/span> .<\/li>\n<li>\u064a\u0645\u0643\u0646 \u062f\u0645\u062c\u0647 \u0645\u0639 \u0645\u0631\u0633\u0644 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u064a \u0625\u0634\u0627\u0631\u0629 \u062e\u0631\u062c <span style=\"color: #0000ff;\">Output Signal<\/span> \u0639\u0628\u0627\u0631\u0629 \u062a\u064a\u0627\u0631 \u0643\u0647\u0631\u0628\u064a \u0645\u0646 4 \u2013 20 \u0645\u0644\u064a \u0623\u0645\u0628\u064a\u0631 .<\/li>\n<li>\u0639\u0645\u0631 \u062a\u0634\u063a\u064a\u0644\u064a \u0645\u0646 3- 6 \u0633\u0646\u0648\u0627\u062a .<\/li>\n<\/ul>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-2986 size-full\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/11\/Catalytic-Sensor-Operation-Ani-Large.gif\" alt=\"\" width=\"409\" height=\"521\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\">\u0645\u062d\u0627\u0643\u0627\u0629 \u0645\u062a\u062d\u0631\u0643\u0629 \u062a\u0628\u064a\u0646 \u0641\u0643\u0631\u0629 \u0639\u0645\u0644 \u062d\u0633\u0627\u0633 \u0627\u0644\u0639\u0627\u0645\u0644 \u0627\u0644\u062d\u0641\u0627\u0632 Catalytic Sensor Operation<\/span><\/p>\n<p>.<\/p>\n<p dir=\"ltr\">* Contact-based.<\/p>\n<p dir=\"ltr\">* Destructive measurement.<\/p>\n<p dir=\"ltr\">* Traditional method.<\/p>\n<p dir=\"ltr\">* Only option for hydrogen gas detection.<\/p>\n<p dir=\"ltr\">* Used w\/ transmitter module to provide 4-20 ma signal output.<\/p>\n<p dir=\"ltr\">* Typical life of 3-6 years<\/p>\n<p>*<\/p>\n<ul>\n<li style=\"text-align: justify;\">\u0627\u0644\u0639\u0646\u0635\u0631 \u0627\u0644\u0641\u0639\u0627\u0644 <span style=\"color: #0000ff;\">Active Element<\/span> : \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u0645\u0642\u0627\u0648\u0645\u0629 \u0633\u0644\u0643 \u0633\u0627\u062e\u0646 \u0645\u063a\u0644\u0641\u0629 \u0628\u0645\u0648\u0627\u062f \u062d\u0641\u0627\u0632\u0629 <span style=\"color: #0000ff;\">Catalytic Material<\/span> .<\/li>\n<li style=\"text-align: justify;\">\u0627\u0644\u0639\u0646\u0635\u0631 \u0627\u0644\u0645\u0631\u062c\u0639\u064a <span style=\"color: #0000ff;\">Reference Element<\/span> : \u0646\u0641\u0633 \u0646\u0648\u0639 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0639\u0646\u0635\u0631 \u0627\u0644\u0641\u0639\u0627\u0644 <span style=\"color: #0000ff;\">Active Element<\/span> \u0644\u0643\u0646\u0647\u0627 \u063a\u064a\u0631 \u0645\u063a\u0644\u0641\u0629 \u0628\u0645\u0627\u062f\u0629 \u062d\u0641\u0627\u0632\u0629 <span style=\"color: #0000ff;\">Catalyst<\/span> .<\/li>\n<li style=\"text-align: justify;\">\u0627\u0644\u0623\u0643\u0633\u062f\u0629 \u0627\u0644\u062a\u062d\u0641\u064a\u0632\u064a\u0629 <span style=\"color: #0000ff;\">Catalytic Oxidation<\/span> \u0644\u0644\u063a\u0627\u0632 \u0627\u0644\u0642\u0627\u0628\u0644 \u0644\u0644\u0625\u0634\u062a\u0639\u0627\u0644 <span style=\"color: #0000ff;\">Flammable Gas<\/span> \u064a\u0648\u0644\u062f \u062d\u0631\u0627\u0631\u0629 \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a \u062a\u062a\u063a\u064a\u0631 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0639\u0646\u0635\u0631 \u0627\u0644\u0641\u0639\u0627\u0644 <span style=\"color: #0000ff;\">Active Element<\/span> .<\/li>\n<li style=\"text-align: justify;\">\u064a\u062a\u0645 \u0645\u0646\u0639 \u0627\u0644\u0627\u0646\u0641\u062c\u0627\u0631 \u0628\u0648\u0636\u0639 \u062e\u0627\u0645\u062f \u0627\u0644\u0644\u0647\u0628 <span style=\"color: #0000ff;\">Flame Arrestor<\/span> .<\/li>\n<li style=\"text-align: justify;\">\u062a\u062d\u062a\u0627\u062c \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0644\u0645\u0635\u062f\u0631 \u062a\u063a\u0630\u064a\u0629 \u062b\u0627\u0628\u062a \u0644\u0644\u062c\u0647\u062f \u0648\u0627\u0644\u062a\u064a\u0627\u0631 .<\/li>\n<li style=\"text-align: justify;\">\u064a\u062c\u0628 \u0645\u0639\u0627\u064a\u0631\u0629 \u0627\u0644\u062c\u0647\u0627\u0632 \u0639\u0646\u062f \u0627\u0644\u0628\u062f\u0621 \u0648 \u0643\u0644 \u0641\u062a\u0631\u0629 \u0628\u0634\u0643\u0644 \u0631\u0648\u062a\u064a\u0646\u064a \u0644\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u062f\u0642\u0629 \u0627\u0644\u0642\u064a\u0627\u0633 .<\/li>\n<\/ul>\n<p>.<\/p>\n<p dir=\"ltr\">* Active Element &#8211; Hot wire resistor coated with catalytic material<\/p>\n<p dir=\"ltr\">* Reference Element &#8211; Same as active but without catalyst<\/p>\n<p dir=\"ltr\">* Catalytic Oxidation of flammable gas generates heat &amp; changes resistance of Active Element<\/p>\n<p dir=\"ltr\">* Explosion is prevented by Flame Arrestor<\/p>\n<p dir=\"ltr\">* Constant U or I power source required<\/p>\n<p dir=\"ltr\">* Must calibrate on start-up &amp; routinely for accuracy<\/p>\n<p>*<\/p>\n<h3><span style=\"color: #993366;\">\u0627\u0644\u0642\u064a\u0648\u062f \u0627\u0644\u062e\u0627\u0635\u0629 \u062d\u0633\u0627\u0633 \u0627\u0644\u0639\u0627\u0645\u0644 \u0627\u0644\u062d\u0641\u0627\u0632 Catalytic Sensor Limitations<\/span><\/h3>\n<p>\u0642\u062f \u064a\u0641\u0634\u0644 \u0641\u064a \u0627\u0644\u062a\u062d\u0630\u064a\u0631 \u0646\u062a\u064a\u062c\u0629 :<\/p>\n<ul style=\"list-style-type: square;\">\n<li>\u062a\u0633\u0645\u0645 \u0627\u0644\u0639\u0627\u0645\u0644 \u0627\u0644\u062d\u0641\u0627\u0632 <span style=\"color: #0000ff;\">Poisoning of Catalyst<\/span> .<\/li>\n<li>\u0627\u0646\u0633\u062f\u0627\u062f \u062e\u0627\u0645\u062f \u0627\u0644\u0644\u0647\u0628 <span style=\"color: #0000ff;\">Flame Arrestor<\/span> .<\/li>\n<li>\u0639\u0646\u062f \u0627\u0639\u0637\u0627\u0621 \u0642\u0631\u0627\u0621\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0639\u0646\u062f \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0644\u0644\u063a\u0627\u0632 .<\/li>\n<\/ul>\n<p>.<\/p>\n<p dir=\"ltr\">Fail To Danger:<\/p>\n<p dir=\"ltr\">* Poisoning of Catalyst.<\/p>\n<p dir=\"ltr\">* Plugging of Flame Arrestor.<\/p>\n<p dir=\"ltr\">* Read Low @ High Gas Levels.<\/p>\n<p>*<\/p>\n<h2><span style=\"color: #ff6600;\">\u0643\u0627\u0634\u0641\u0627\u062a \u0627\u0644\u063a\u0627\u0632\u0627\u062a \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0625\u0634\u062a\u0639\u0627\u0644 \u0628\u0627\u0644\u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621 Infrared Combustible Detectors<\/span><\/h2>\n<p>&nbsp;<\/p>\n<h3><span style=\"color: #993366;\">\u0641\u0643\u0631\u0629 \u0627\u0644\u0639\u0645\u0644 Principal of Operation<\/span><\/h3>\n<p>\u0627\u0644\u063a\u0627\u0632\u0627\u062a \u0634\u0641\u0627\u0641\u0629 \u0623\u0645\u0627\u0645 \u0627\u0644\u0636\u0648\u0621 \u0627\u0644\u0645\u0631\u0626\u064a <span style=\"color: #0000ff;\">Visible Light<\/span> \u0644\u0643\u0646\u0647\u0627 \u063a\u064a\u0631 \u0634\u0641\u0627\u0641\u0629 \u0648\u0645\u0639\u062a\u0645\u0629 \u062c\u062f\u0627 \u0623\u0645\u0627\u0645 \u0628\u0639\u0636 \u0627\u0644\u0623\u0637\u0648\u0627\u0644 \u0627\u0644\u0645\u0648\u062c\u064a\u0629 \u0644\u0644\u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621 .<\/p>\n<p>.<\/p>\n<p dir=\"ltr\">Gases are Transparent to Visible Light But Gases are Strongly Opaque to Infrared Light at Some Wavelengths.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-2990 size-full\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/11\/IR-Gas-Detector-Operation-Ani.gif\" alt=\"\" width=\"349\" height=\"501\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\">\u0627\u0644\u063a\u0627\u0632\u0627\u062a \u063a\u064a\u0631 \u0634\u0641\u0627\u0641\u0629 \u0648\u0645\u0639\u062a\u0645\u0629 \u062c\u062f\u0627 \u0623\u0645\u0627\u0645 \u0628\u0639\u0636 \u0627\u0644\u0623\u0637\u0648\u0627\u0644 \u0627\u0644\u0645\u0648\u062c\u064a\u0629 \u0644\u0644\u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621<\/span><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-2991 size-full\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/11\/IR-Gas-Detector-Operation.png\" alt=\"\" width=\"608\" height=\"408\" srcset=\"https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/11\/IR-Gas-Detector-Operation.png 608w, https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/11\/IR-Gas-Detector-Operation-300x201.png 300w\" sizes=\"(max-width: 608px) 100vw, 608px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\">\u0645\u0643\u0648\u0646\u0627\u062a \u062c\u0647\u0627\u0632 \u0643\u0634\u0641 \u0627\u0644\u063a\u0627\u0632\u0627\u062a \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0625\u0634\u062a\u0639\u0627\u0644 \u0628\u0627\u0644\u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621 Infrared Combustible Detectors<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\">(\u0637\u0631\u064a\u0642\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0635\u062f\u0631 \u0623\u0634\u0639\u0629 \u0648\u0627\u062d\u062f \u0648\u0643\u0627\u0634\u0641\u064a\u0646 \u0644\u0644\u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621)<\/span><\/p>\n<p>*<\/p>\n<p>\u0637\u0631\u064a\u0642\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0635\u062f\u0631\u064a\u0646 \u0648\u0643\u0627\u0634\u0641 \u0648\u0627\u062d\u062f \u0644\u0644\u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" class=\"alignnone wp-image-2993 size-full\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/11\/IR-Gas-Detector-Operation2.png\" alt=\"\" width=\"681\" height=\"352\" srcset=\"https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/11\/IR-Gas-Detector-Operation2.png 681w, https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/11\/IR-Gas-Detector-Operation2-300x155.png 300w\" sizes=\"(max-width: 681px) 100vw, 681px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\">\u0637\u0631\u064a\u0642\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0635\u062f\u0631\u064a\u0646 \u0648\u0643\u0627\u0634\u0641 \u0648\u0627\u062d\u062f \u0644\u0644\u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621<\/span><\/p>\n<p>.<\/p>\n<p style=\"text-align: justify;\">\u062a\u0639\u062a\u0645\u062f \u0641\u0643\u0631\u0629 \u0639\u0645\u0644 \u0647\u0630\u0627 \u0627\u0644\u0646\u0648\u0639 \u0639\u0644\u064a \u0642\u064a\u0627\u0633 \u0645\u0642\u062f\u0627\u0631 \u0627\u0644\u0625\u0645\u062a\u0635\u0627\u0635 \u0641\u064a \u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621 <span style=\"color: #0000ff;\">Infrared<\/span> \u0645\u0627\u0631\u0629 \u0639\u0628\u0631 \u0643\u0645\u064a\u0629 \u0645\u0646 \u0627\u0644\u063a\u0627\u0632 .<\/p>\n<p style=\"text-align: justify;\">\u0645\u0642\u062f\u0627\u0631 \u0627\u0644\u0625\u0645\u062a\u0635\u0627\u0635 \u064a\u062a\u0628\u0639 \u0642\u0627\u0646\u0648\u0646 <span style=\"color: #0000ff;\">Beer &#8211; La mbert<\/span> \u060c \u0648\u0627\u0644\u0630\u064a \u064a\u0646\u0635 \u0639\u0644\u064a \u0623\u0646 &#8220;\u0627\u0644\u0646\u0641\u0627\u0630\u064a\u0629 <span style=\"color: #0000ff;\">Transmittance T<\/span> \u0644\u0644\u0625\u0634\u0639\u0627\u0639 \u0627\u0644\u0645\u0627\u0631 \u062e\u0644\u0627\u0644 \u0648\u0633\u0637 \u0645\u0627\u0635 \u064a\u0646\u062e\u0641\u0636 \u200b\u200b\u0628\u0634\u0643\u0644 \u0623\u0633\u064a \u0644\u062d\u0627\u0635\u0644 \u0636\u0631\u0628 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0625\u062e\u0645\u0627\u062f <span style=\"color: #0000ff;\">Extinction Coefficient A<\/span> \u060c \u0648\u0627\u0644\u062a\u0631\u0643\u064a\u0632 <span style=\"color: #0000ff;\">Concentration C<\/span> \u0648\u0637\u0648\u0644 \u0627\u0644\u0645\u0633\u0627\u0631 <span style=\"color: #0000ff;\">Path<\/span> <span style=\"color: #0000ff;\">Length L<\/span>&#8220;:<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\">T = exp(-ACL)<\/span><\/p>\n<p style=\"text-align: justify;\">\u064a\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0627 \u0627\u0644\u0646\u0648\u0639 \u0645\u0635\u062f\u0631\u064a\u0646 \u0644\u0644\u0623\u0634\u0639\u0629 <span style=\"color: #0000ff;\">Dual IR Source<\/span> \u060c \u0648\u0643\u0627\u0634\u0641 \u0648\u0627\u062d\u062f <span style=\"color: #0000ff;\">Single IR Detector<\/span> \u0644\u0644\u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621 . \u062d\u064a\u062b \u064a\u0639\u0645\u0644 \u0623\u062d\u062f \u0627\u0644\u0645\u0635\u062f\u0631\u064a\u0646 \u0639\u0646\u062f \u0637\u0648\u0644 \u0645\u0648\u062c\u0629 <span style=\"color: #0000ff;\">Wavelength<\/span> \u064a\u062d\u062f\u062b \u0644\u0647 \u0627\u0645\u062a\u0635\u0627\u0635 \u0645\u0646 \u063a\u0627\u0632 \u0645\u0639\u064a\u0646 (\u0623\u0648 \u063a\u0627\u0632\u0627\u062a) (\u064a\u0633\u0645\u064a \u0628\u0637\u0648\u0644 \u0627\u0644\u0645\u0648\u062c\u0629 \u0627\u0644\u0646\u0634\u0637 <span style=\"color: #0000ff;\">Active Wavelength).<\/span> \u064a\u0639\u0645\u0644 \u0627\u0644\u0645\u0635\u062f\u0631 \u0627\u0644\u0645\u0631\u062c\u0639\u064a <span style=\"color: #0000ff;\">Reference\u00a0 Source<\/span> \u0639\u0646\u062f \u0637\u0648\u0644 \u0645\u0648\u062c\u0629 \u0645\u062c\u0627\u0648\u0631 \u0644\u0637\u0648\u0644 \u0627\u0644\u0645\u0648\u062c\u0629 \u0627\u0644\u0646\u0634\u0637 <span style=\"color: #0000ff;\">Active Wavelength<\/span> \u0648\u0644\u0643\u0646 \u0644\u0627 \u064a\u0645\u062a\u0635\u0647 \u0627\u0644\u063a\u0627\u0632 (\u0623\u0648 \u0627\u0644\u063a\u0627\u0632\u0627\u062a). \u0648\u0628\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0645\u0646 \u0647\u0630\u064a\u0646 \u0627\u0644\u0645\u0635\u062f\u0631\u064a\u0646 \u064a\u0645\u0643\u0646 \u0642\u064a\u0627\u0633 \u062a\u0631\u0643\u064a\u0632 \u0627\u0644\u063a\u0627\u0632 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u0627\u0645\u062a\u0635\u0627\u0635 \u0627\u0644\u062a\u0641\u0627\u0636\u0644\u064a <span style=\"color: #0000ff;\">Differential\u00a0 Absorption Technique<\/span> .<\/p>\n<p style=\"text-align: justify;\">\u062a\u0623\u062a\u064a \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0644\u0643\u0634\u0641 \u0627\u0644\u063a\u0627\u0632 \u062a\u062d\u062a \u0645\u0627 \u064a\u0639\u0631\u0641 \u0628\u0627\u0633\u0645 \u0645\u0628\u062f\u0623 \u0627\u0645\u062a\u0635\u0627\u0635 \u0627\u0644\u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621 \u063a\u064a\u0631 \u0627\u0644\u0645\u0634\u062a\u062a\u0629 <span style=\"color: #0000ff;\">Non-Dispersive Infrared\u00a0\u00a0 (NDIR)\u00a0\u00a0 Absorption\u00a0\u00a0 Principle<\/span> . \u064a\u062a\u0645 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0637\u0648\u0644 \u0627\u0644\u0645\u0648\u062c\u064a \u0627\u0644\u0645\u0631\u062c\u0639\u064a \u0648\u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0644\u0644\u062a\u0639\u0648\u064a\u0636 \u0639\u0646 \u0623\u064a \u062a\u062f\u0627\u062e\u0644 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062d\u062f\u062b \u0645\u0646 \u062e\u0644\u0627\u0644 \u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u062c\u0648\u064a \u0627\u0644\u0645\u062d\u064a\u0637 (\u0645\u062b\u0644 \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0648\u0627\u0644\u063a\u0628\u0627\u0631 \u0648\u0627\u0644\u062b\u0644\u062c \u0648\u0627\u0644\u0636\u0628\u0627\u0628 \u0648\u0627\u0644\u0628\u062e\u0627\u0631 \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0645\u0627 \u0625\u0644\u0649 \u0630\u0644\u0643).<\/p>\n<p>.<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">This type is based on measuring absorption of infrared radiation passing through a volume of gas.<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">Absorption of the radiation follows the Beer \u2013 La mbert Law, which states \u201cthe transmittance T of radiation\u00a0 through\u00a0 an\u00a0 absorbing\u00a0 medium\u00a0 decreases\u00a0 exponentially\u00a0 by\u00a0 the\u00a0 product\u00a0 of\u00a0 the\u00a0 \u00a0extinction coefficient A, the concentration C and the path length L\u201d:<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">T = exp(-ACL)<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">This type uses a dual\u00a0 source,\u00a0 single\u00a0 detector\u00a0 measurement\u00a0 method.\u00a0 One\u00a0 source operates\u00a0 at\u00a0 a\u00a0 wavelength\u00a0 where\u00a0 absorption\u00a0 of\u00a0 a specific\u00a0 gas\u00a0 (or\u00a0 gases)\u00a0 occurs\u00a0 (the\u00a0 active wavelength).\u00a0 The\u00a0 reference\u00a0 source\u00a0 operates\u00a0 at\u00a0 a\u00a0 wavelength\u00a0 that\u00a0 is\u00a0 adjacent\u00a0 to\u00a0 the\u00a0 active wavelength but not absorbed by the gas (or gases). By comparing the signals from these two sources\u00a0 the\u00a0 concentration\u00a0 of\u00a0 the\u00a0 gas\u00a0 can be\u00a0 measured\u00a0 using\u00a0 the\u00a0 differential\u00a0 absorption technique.<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">This\u00a0 method\u00a0 of\u00a0 gas\u00a0 detection\u00a0 comes\u00a0 under\u00a0 what \u00a0\u00a0is\u00a0 commonly\u00a0 known\u00a0 as\u00a0 the\u00a0 non-dispersive infrared\u00a0\u00a0 (NDIR)\u00a0\u00a0 absorption\u00a0\u00a0 principle.\u00a0\u00a0 The\u00a0\u00a0 reference\u00a0\u00a0 wavelength\u00a0\u00a0 is\u00a0\u00a0 chosen\u00a0\u00a0 suitable\u00a0\u00a0 to compensate\u00a0 for\u00a0 any\u00a0 interference\u00a0 that\u00a0 can\u00a0 otherwise\u00a0 occur\u00a0 from atmospheric\u00a0 variation\u00a0 (e.g. humidity, dust, snow, fog, steam, temperature, etc.).<\/p>\n<p>*<\/p>\n<p><strong>\u0644\u0645 \u064a\u0643\u062a\u0645\u0644 \u0627\u0644\u0645\u0642\u0627\u0644 \u0628\u0639\u062f &#8230;&#8230;..<\/strong><\/p>\n<p>*<\/p>\n<h2><span style=\"color: #ff6600;\">\u0645\u0635\u0637\u0644\u062d\u0627\u062a<\/span><\/h2>\n<p style=\"text-align: center;\">\u0643\u0627\u0634\u0641 \u0627\u0644\u063a\u0627\u0632 &#8211; \u0643\u0627\u0634\u0641 \u0627\u0644\u063a\u0627\u0632 \u0628\u0627\u0644\u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621 &#8211; \u062d\u0633\u0627\u0633 \u0627\u0644\u0639\u0627\u0645\u0644 \u0627\u0644\u062d\u0641\u0627\u0632 \u0644\u0643\u0634\u0641 \u0627\u0644\u063a\u0627\u0632<\/p>\n<p dir=\"ltr\" style=\"text-align: center;\">Gas Detector &#8211; Point IR Gas Detector &#8211; Catalytic Gas Sensor<\/p>\n<p>*<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #ff0000;\">\u0627\u0636\u063a\u0637 \u0647\u0646\u0627 \u0644\u062a\u062a\u0627\u0628\u0639 \u0635\u0641\u062d\u062a\u0646\u0627 \u0639\u0644\u064a \u0627\u0644\u0641\u064a\u0633 \u0628\u0648\u0643\u00a0<a style=\"color: #ff0000;\" href=\"https:\/\/www.facebook.com\/Instruments-Simulation-987927711244444\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-2022\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2018\/04\/Inst-Sim-Face-ani-small2.gif\" alt=\"\" width=\"270\" height=\"72\" \/><\/a><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #ff0000;\"><strong>***************************************************************<\/strong><\/span><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-559\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/11\/handwave-Yellow.gif\" alt=\"handwave-yellow\" width=\"125\" height=\"70\" \/><\/p>\n<h3><span style=\"color: #ff6600;\"><strong>\u0645\u0648\u0627\u0636\u064a\u0639 \u0630\u0627\u062a \u0635\u0644\u0629<\/strong><\/span><\/h3>\n<h3>\u00a0.<\/h3>\n<h3><a href=\"http:\/\/www.inst-sim.com\/1\/fg\/fg-detection-devices\/\">\u0623\u0646\u0648\u0627\u0639 \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0643\u0634\u0641 \u0639\u0646 \u0627\u0644\u062d\u0631\u064a\u0642 \u0648\u0627\u0644\u063a\u0627\u0632 Types of F&amp;G Detection Devices<\/a><\/h3>\n<p>.<\/p>\n<h3><a href=\"http:\/\/www.inst-sim.com\/1\/fg\/stand-alone-smoke-detector\/\">\u0643\u0627\u0634\u0641\u0627\u062a \u0627\u0644\u062f\u062e\u0627\u0646 \u0627\u0644\u0645\u0641\u0631\u062f\u0629 Stand Alone Smoke Detectors<\/a><\/h3>\n<p>.<\/p>\n<h3><a href=\"http:\/\/www.inst-sim.com\/1\/mix_boks\/stand-alone-smoke-detector3\/\">\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u062d\u0648\u0644 \u0643\u0627\u0634\u0641 \u0627\u0644\u062f\u062e\u0627\u0646 \u0627\u0644\u0645\u0646\u0632\u0644\u064a<\/a><\/h3>\n<p>.<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-559 alignleft\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/11\/handwave-Yellow.gif\" alt=\"handwave-yellow\" width=\"125\" height=\"70\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>. \u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u063a\u0627\u0632\u0627\u062a Types of gas \u063a\u0627\u0632\u0627\u062a \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0625\u0634\u062a\u0639\u0627\u0644 \u0623\u0648 \u0627\u0644\u0625\u0646\u0641\u062c\u0627\u0631\u00a0 Flammable\/Combustible Gases . \u063a\u0627\u0632\u0627\u062a \u0633\u0627\u0645\u0629\u00a0Toxic Gases . \u0627\u0644\u0623\u0643\u0633\u062c\u064a\u0646\u00a0Oxygen . \u0623\u0648\u0644 \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u00a0Carbon Monoxide . \u062b\u0627\u0646\u064a \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0628\u0631\u064a\u062a\u00a0Sulfur Dioxide . \u062b\u0627\u0646\u064a\u00a0\u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0646\u064a\u062a\u0631\u0648\u062c\u064a\u0646 Nitrogen Dioxide . \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646 Hydrogen . \u0643\u0628\u0631\u064a\u062a\u064a\u062f \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646\u00a0Hydrogen Sulfide . * \u0623\u0646\u0648\u0627\u0639 \u062a\u0642\u0646\u064a\u0627\u062a \u062d\u0633\u0627\u0633\u0627\u062a \u0643\u0634\u0641 \u0627\u0644\u063a\u0627\u0632\u0627\u062a Gas Sensing Technologies \u062d\u0633\u0627\u0633\u0627\u062a \u0627\u0644\u063a\u0627\u0632\u0627\u062a \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0625\u0634\u062a\u0639\u0627\u0644\u00a0Combustible [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2977,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[216],"_links":{"self":[{"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/posts\/2975"}],"collection":[{"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/comments?post=2975"}],"version-history":[{"count":8,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/posts\/2975\/revisions"}],"predecessor-version":[{"id":2995,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/posts\/2975\/revisions\/2995"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/media\/2977"}],"wp:attachment":[{"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/media?parent=2975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/categories?post=2975"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/tags?post=2975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}