{"product_id":"testo-no2-retrofit-sensor-0554-2200","title":"Testo NO2 Retrofit Sensor for Flue Gas Analysers","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThis Testo NO\u003csub\u003e2\u003c\/sub\u003e retrofit sensor lets you add nitrogen dioxide measurement to your compatible Testo flue gas analyser. It's a solid upgrade for any tech needing to track NO\u003csub\u003e2\u003c\/sub\u003e levels in commercial or industrial exhaust, helping you meet environmental compliance or fine-tune combustion efficiency. Being precalibrated means less fuss on-site and more accurate readings from the get-go, especially when you're on a busy rooftop job and need reliable data fast.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eBest For\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eExpanding measurement capabilities of Testo flue gas analysers.\u003c\/li\u003e\n\u003cli\u003eCommercial and industrial combustion analysis.\u003c\/li\u003e\n\u003cli\u003eEnvironmental compliance checks for NO\u003csub\u003e2\u003c\/sub\u003e emissions.\u003c\/li\u003e\n\u003cli\u003eHVAC\/R technicians and industrial maintenance teams.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThis NO\u003csub\u003e2\u003c\/sub\u003e sensor is designed for direct integration with specific Testo flue gas analysers. It’s a perfect fit for:\u003c\/p\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eTesto 340 - Combustion Analyzer for Commercial and Industrial Applications (SKU: 0632 3340)\u003c\/li\u003e\n\u003cli\u003eTesto 350 - Portable emission analyzer (SKU: 0632 3510)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eIf you're running a different model, check fittings and specs before ordering.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eFeatures\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eNO\u003csub\u003e2\u003c\/sub\u003e Measurement:\u003c\/strong\u003e Enables accurate nitrogen dioxide readings in flue gas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecalibrated:\u003c\/strong\u003e Ready to use straight out of the box, saving on field calibration time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffortless Installation:\u003c\/strong\u003e Designed for easy self-insertion into compatible Testo analysers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParameter Activation:\u003c\/strong\u003e Automatically activates the NO\u003csub\u003e2\u003c\/sub\u003e measurement function in the analyser.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 16px; margin-bottom: 20px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eMeasuring Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0 to 500 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0.1 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e18 g (0.64 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eDimensions (LxWxH)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e40 x 30 x 30 mm (2 x 1 x 1 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eHousing Material\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eProduct Colour\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eBlack; grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003e1 x Testo NO\u003csub\u003e2\u003c\/sub\u003e retrofit sensor (SKU: 0554 2200)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eUsing It on the Job\u003c\/h2\u003e\n\u003col style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eEnsure your Testo flue gas analyser (e.g., Testo 340 or 350) is powered off and disconnected from any probes or power sources.\u003c\/li\u003e\n\u003cli\u003eFollowing your analyser's manual, carefully access the sensor bay for replacement.\u003c\/li\u003e\n\u003cli\u003eGently insert the precalibrated NO\u003csub\u003e2\u003c\/sub\u003e sensor into its designated slot until it’s fully seated.\u003c\/li\u003e\n\u003cli\u003eClose the sensor bay and power on your analyser. The instrument should automatically detect and activate the NO\u003csub\u003e2\u003c\/sub\u003e measurement parameter.\u003c\/li\u003e\n\u003cli\u003ePerform a zeroing or fresh air calibration sequence according to your analyser’s instructions before starting any flue gas measurements.\u003c\/li\u003e\n\u003cli\u003eOnce measurement is complete, power down the analyser and store it in its case to protect the sensors.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eLimitations \u0026amp; Safety Notes\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eThis sensor is specifically for compatible Testo flue gas analysers (Testo 340, 350). It will not function as a standalone NO\u003csub\u003e2\u003c\/sub\u003e measurement device.\u003c\/li\u003e\n\u003cli\u003eAlways consult your analyser's operating manual for precise sensor replacement procedures and safety guidelines.\u003c\/li\u003e\n\u003cli\u003eEnsure the analyser is powered off before installing or removing any sensors to prevent damage or incorrect readings.\u003c\/li\u003e\n\u003cli\u003eHandle sensors carefully; while robust, they are precision instruments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eTradie Pro Tip\u003c\/h2\u003e\n\u003cblockquote style=\"border-left: 4px solid #007acc; background-color: #f9f9f9; font-style: italic; padding: 15px; margin: 20px 0;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eAlways keep spare, precalibrated sensors like this NO\u003csub\u003e2\u003c\/sub\u003e module on hand. When you're out on a critical job and a sensor reaches end-of-life, being able to swap it quickly means less downtime and accurate measurements when they count most.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003ePair With\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThis sensor is designed to work seamlessly with the Testo 340 and Testo 350 flue gas analysers. Consider pairing it with a range of Testo flue gas probes and filters to ensure your analyser is fully equipped for any industrial combustion task.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Automated FAQ Schema --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What Testo analysers is this NO2 sensor compatible with?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This NO\u003csub\u003e2\u003c\/sub\u003e retrofit sensor is specifically designed for use with the Testo 340 and Testo 350 combustion analysers. It ensures activation of the NO\u003csub\u003e2\u003c\/sub\u003e measurement parameter within these instruments.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the measuring range for NO2 with this sensor?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The sensor measures NO\u003csub\u003e2\u003c\/sub\u003e in flue gas with a range of 0 to 500 ppm, offering a resolution of 0.1 ppm for detailed readings.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the sensor precalibrated, and can I install it myself?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the sensor comes precalibrated, making installation straightforward. You can effortlessly insert it into your compatible Testo measuring instrument yourself, saving on service calls.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Testo","offers":[{"title":"Default Title","offer_id":43761016045627,"sku":"0554 2200","price":5044.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0316\/7787\/4235\/files\/0393-0200.jpg?v=1783575342","url":"https:\/\/www.hvacshop.com.au\/products\/testo-no2-retrofit-sensor-0554-2200","provider":"HVAC Supply Shop","version":"1.0","type":"link"}