{"product_id":"testo-300-longlife-flue-gas-analyser-0633-3004-73","title":"Testo 300 Longlife Flue Gas Analyser with O2, H2-Compensated CO Sensor","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThe Testo 300 Longlife flue gas analyser is your go-to tool for staying on top of heating system performance, helping tradies efficiently diagnose issues and ensure safe operation.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003ePerfect for busy heating engineers and maintenance teams in Australia, this unit makes routine checks and compliance reporting quicker with its robust design and smart-touch display. After a long day of crawling through roof spaces or tight plant rooms, a quick, reliable tool like this really makes a difference.\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 style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eHeating engineers\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eHVAC service technicians\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eBoiler maintenance crews\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eCommercial gas fitters\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;\"\u003eDesigned for comprehensive analysis of heating systems, the Testo 300 Longlife measures O2, H2-compensated CO up to 8,000 ppm, draught, pressure, ambient CO, and differential temperature. An NO sensor can be retrofitted later if your job scope expands.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eIt's TÜV-tested according to first German Federal Immission Control Ordinance (BImSchV) and EN 50379, Parts 1-3, ensuring it meets strict European standards applicable to many Australian installations.\u003c\/p\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 style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eLonglife O2 and H2-compensated CO sensors with up to 6 years service life, saving on sensor replacements.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eSmart-touch HD display (5-inch) for intuitive, smartphone-like operation and quick access to measurement menus.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eIntegrated documentation and e-mailing of reports via WLAN (hotspot), allowing on-site customer signatures.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eAutomatic sensor protection extends sensor life, crucial for daily intensive use.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eIntegrated fine pressure measurement and modular probe system for versatile application.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e10-hour rechargeable battery life and strong integrated magnets for hands-free operation.\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\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;\"\u003eRange\u003c\/th\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eAccuracy\u003c\/th\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eResolution\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eTemperature (TC Type K)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e-40 to +1200 °C\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e±0.5 °C (0 to +100 °C)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0.1 °C (-40 to +999.9 °C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eDifferential Pressure\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e-100 to +200 hPa\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e±0.5 hPa (0 to +50 hPa)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0.01 hPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eFlue Gas O₂\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0 to 21 Vol.%\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e±0.2 Vol.%\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0.1 Vol.%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eFlue Gas CO (H₂-compensated)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eUp to 8,000 ppm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\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 style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eTesto 300 Longlife flue gas analyser (O2, H2-compensated CO sensor up to 8,000 ppm)\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eUSB mains unit\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eTesto Bluetooth Connector\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 style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003ePerform a visual inspection of the heating system and flue, noting any obvious damage or blockages.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eSwitch on the Testo 300 and allow it to perform its zeroing phase. The standby mode feature means it's ready almost instantly.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eInsert the appropriate modular flue gas probe (ordered separately) into the flue at the correct measurement point, ensuring a tight seal.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eNavigate the smart-touch display to the relevant measurement menu (e.g., flue gas analysis, draught, pressure).\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eRecord readings, including O2, CO (H2-compensated), temperature, and pressure. Document findings directly on the instrument, including customer details and location.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eIf required, use the signature function for on-site customer sign-off and e-mail the report via WLAN to the office.\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 style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eOnly use for intended flue gas and heating system analysis; not for other applications without suitable, separately purchased probes.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eRefrigerant work (e.g., R32, R410A) requires an ARCtick licence; this analyser is for combustion analysis, not refrigerant circuits.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eAlways follow Australian safety standards and manufacturer guidelines when working on heating systems.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eEnsure probes are correctly inserted and sealed to prevent false readings or gas leakage during measurement.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThe NO sensor requires retrofitting and is not included in this configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote style=\"border-left: 4px solid #007acc; background-color: #f9f9f9; font-style: italic; padding: 15px; margin: 20px 0;\"\u003eKeep an eye on the automatic sensor protection function, especially during high CO readings. It's designed to extend the life of your O2 and CO sensors, so don't bypass it. Sensor replacement is a killer on the wallet and downtime.\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;\"\u003ePair with a range of modular flue gas probes for various applications, a Testo thermal printer for instant printouts, and digital clamp meters for electrical diagnostics.\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 measurements can the Testo 300 Longlife perform out of the box?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Testo 300 Longlife measures O2, H2-compensated CO up to 8,000 ppm, draught, pressure, ambient CO, and differential temperature. An NO sensor can be retrofitted later if your job scope expands, but isn't included as standard.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the expected service life of the sensors in this analyser?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This model comes with Longlife O2 and H2-compensated CO sensors, designed for a service life of up to 6 years. With product registration, Testo offers up to 5 years warranty on these sensors, without needing a maintenance contract.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the Testo 300 Longlife support on-site report generation and sharing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the analyser allows you to create detailed PDF measurement reports directly on site, complete with customer data and a signature function. You can then e-mail these reports to your office or customers using the integrated WLAN (hotspot) functionality.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Testo","offers":[{"title":"Default Title","offer_id":43754108092475,"sku":"0633 3004 73","price":6803.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0316\/7787\/4235\/files\/gda-2020-2000x1500-testo-300-en_95027646-d228-4097-a393-49a8e5b9459f.jpg?v=1783396053","url":"https:\/\/www.hvacshop.com.au\/products\/testo-300-longlife-flue-gas-analyser-0633-3004-73","provider":"HVAC Supply Shop","version":"1.0","type":"link"}