{"product_id":"ohler-a-450-flue-gas-analyzer-combustion-emissions-tester-o-co-co-temp-draft","title":"Wöhler A 450 Flue Gas Analyzer – Combustion \u0026 Emissions Tester (O₂, CO, CO₂, Temp, Draft)","description":"\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 170, 255);\"\u003e\u003cstrong\u003eUSED. GOOD WORKING CONDITION. INCLUDES EVERYTHING IN THE PHOTO.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"616\" data-end=\"970\"\u003eThe \u003cstrong data-start=\"620\" data-end=\"654\"\u003eWöhler A 450 Flue Gas Analyzer\u003c\/strong\u003e is a portable professional combustion analyzer used for inspection, adjustment, and efficiency measurement of gas-fired boilers and burners. Based on the displayed measurement screens and device labeling, the analyzer supports standard combustion analysis functions required for HVAC and heating system diagnostics.\u003c\/p\u003e\n\u003cp data-start=\"972\" data-end=\"1106\"\u003eThe device features a rugged handheld design, color display, internal data logging, and compliance with European combustion standards.\u003c\/p\u003e\n\u003chr data-start=\"1108\" data-end=\"1111\"\u003e\n\u003ch3 data-start=\"1113\" data-end=\"1146\"\u003eMeasured Gases \u0026amp; Parameters\u003c\/h3\u003e\n\u003cp data-start=\"1147\" data-end=\"1215\"\u003e\u003cstrong data-start=\"1147\" data-end=\"1215\"\u003eDetermined from the photos of the measurement screens and menus:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4 data-start=\"1217\" data-end=\"1227\"\u003eGases\u003c\/h4\u003e\n\u003cul data-start=\"1228\" data-end=\"1383\"\u003e\n\u003cli data-start=\"1228\" data-end=\"1251\"\u003e\n\u003cp data-start=\"1230\" data-end=\"1251\"\u003e\u003cstrong data-start=\"1230\" data-end=\"1245\"\u003eO₂ (Oxygen)\u003c\/strong\u003e – %\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1252\" data-end=\"1333\"\u003e\n\u003cp data-start=\"1254\" data-end=\"1333\"\u003e\u003cstrong data-start=\"1254\" data-end=\"1278\"\u003eCO (Carbon Monoxide)\u003c\/strong\u003e – ppm (with H₂ compensation, typical for this class)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1334\" data-end=\"1383\"\u003e\n\u003cp data-start=\"1336\" data-end=\"1383\"\u003e\u003cstrong data-start=\"1336\" data-end=\"1360\"\u003eCO₂ (Carbon Dioxide)\u003c\/strong\u003e – calculated value (%)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Proelectronica","offers":[{"title":"Default Title","offer_id":44815473475618,"sku":null,"price":710.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/0014\/1346\/files\/s-l1600_395f142b-e1b2-4e3a-8731-3d830977bbc2.webp?v=1770483267","url":"https:\/\/proelectronica.net\/products\/ohler-a-450-flue-gas-analyzer-combustion-emissions-tester-o-co-co-temp-draft","provider":"Proelectronica","version":"1.0","type":"link"}