{"product_id":"testo-300-longlife-combustion-analyzer-0633-3004-74","title":"Testo 300 LongLife Combustion Analyzer","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThe Testo 300 LongLife Combustion Analyzer is your go-to tool for reliable diagnostics and compliance checks on heating systems. Designed for tradies who are on and off multiple jobs daily, it combines robust build quality with modern Smart-Touch operation for quick, accurate readings.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eHaving to re-do a flue gas test because the old gear dropped out mid-job is a waste of daylight, especially during a busy Australian winter. This analyser streamlines your workflow, letting you focus on the fix, not fiddling with your tools.\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\u003eHeating engineers and gasfitters\u003c\/li\u003e\n\u003cli\u003eHVAC installation and commissioning teams\u003c\/li\u003e\n\u003cli\u003eMaintenance and service technicians\u003c\/li\u003e\n\u003cli\u003eApprentices learning combustion analysis\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 Testo 300 model includes factory-fitted O\u003csub\u003e2\u003c\/sub\u003e, CO (up to 4,000 ppm), and NO sensors, making it suitable for a wide range of gas and oil-fired heating systems. It's designed to work with Testo's ecosystem of quick-change flue gas probes, temperature probes, and differential pressure accessories, which are available separately.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eIf you're running a different model or need specific measurements, always check fittings and specs before ordering additional probes.\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\u003eSmart-Touch Display:\u003c\/strong\u003e Intuitive 5-inch HD display responds quickly, similar to a smartphone, for easy navigation and clear data visibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLongLife Sensors:\u003c\/strong\u003e Equipped with O\u003csub\u003e2\u003c\/sub\u003e and CO sensors designed for a service life of up to 6 years, reducing replacement frequency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Micro-Pressure Measurement:\u003c\/strong\u003e Quickly test draft and differential pressure without additional modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-Site Documentation \u0026amp; Reporting:\u003c\/strong\u003e Create, save, and e-mail PDF measurement reports directly from the instrument via WiFi (hotspot function).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Probe System:\u003c\/strong\u003e Quick-change click system allows for fast swapping between various probe shafts (sold separately) for different applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Holder:\u003c\/strong\u003e Integrated, extra-strong magnets securely fix the analyser to metal surfaces, leaving your hands free for the job.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Start Standby:\u003c\/strong\u003e Ready to measure at the touch of a button from standby, eliminating waiting time for zeroing.\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;\"\u003eMeasurement Range\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\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eTemperature - Type K TC\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e-40 to +1200 °C (-40 to 2192 °F)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e±0.5 °C (0.0 to +100.0 °C)\u003cbr\u003e±0.5 % of mv (Remaining Range)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0.1 °C (-40 to +999.9 °C)\u003cbr\u003e1 °C (Remaining Range)\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 (-40 to +80 InH₂O)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e±0.5 hPa (0 to +50.0 hPa)\u003cbr\u003e±1 % of mv (+50.1 to +100.0 hPa)\u003cbr\u003e±1.5 % of mv (+100.1 to +200 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\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\u003eTesto 300 LongLife Combustion Analyzer with O\u003csub\u003e2\u003c\/sub\u003e, CO (up to 4,000 ppm) and NO sensors\u003c\/li\u003e\n\u003cli\u003eUSB mains unit\u003c\/li\u003e\n\u003cli\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\u003e\n\u003cstrong\u003ePower Up \u0026amp; Zero:\u003c\/strong\u003e Turn on the analyser and allow it to perform its automatic zeroing cycle, ensuring a fresh calibration for accurate readings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttach Probe:\u003c\/strong\u003e Select and attach the appropriate flue gas probe (sold separately) for the system you're testing. Ensure it's securely connected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition Probe:\u003c\/strong\u003e Insert the probe into the flue gas duct according to manufacturer guidelines, ensuring correct depth for representative sampling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun Tests:\u003c\/strong\u003e Navigate through the Smart-Touch menu to perform flue gas analysis (O\u003csub\u003e2\u003c\/sub\u003e, CO, NO), differential pressure, and draft measurements as required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReview \u0026amp; Adjust:\u003c\/strong\u003e Monitor live readings on the large HD display. Make any necessary adjustments to the heating system based on the data.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument \u0026amp; Report:\u003c\/strong\u003e Utilise the on-board documentation features to create a report, get customer signatures directly on the screen, and email the PDF to your office or client.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost-Use Care:\u003c\/strong\u003e Remove and properly clean your probe. Store the analyser in its case to protect the display and sensors from damage between jobs.\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\u003eFlue gas probes, temperature probes, and other accessories are sold separately and are essential for most measurements.\u003c\/li\u003e\n\u003cli\u003eAny work on gas appliances requires appropriate licensing, such as an ARCtick licence for refrigerant components or specific gasfitting licences for natural gas\/LPG systems.\u003c\/li\u003e\n\u003cli\u003eAlways follow the manufacturer's guidelines for sensor protection, especially when exposing to high CO concentrations.\u003c\/li\u003e\n\u003cli\u003eEnsure the chosen probe is rated for the expected flue gas temperatures to prevent damage.\u003c\/li\u003e\n\u003cli\u003eAdhere to all relevant Australian safety standards and Safe Work guidance when operating heating systems and test equipment.\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;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\u003cstrong\u003eTradie Pro Tip:\u003c\/strong\u003e Those LongLife sensors are a real time and money saver. To get the full 6 years out of them, always let the analyser run its fresh air purge after each job. It clears out any residual flue gas and keeps the sensors happy.\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;\"\u003eComplement your Testo 300 LongLife Combustion Analyzer with additional Testo flue gas probes, a Testo differential pressure measuring instrument, or the Testo EasyHeat PC software for advanced data management and analysis.\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 is the expected lifespan of the sensors?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Testo 300 LongLife model features O\\u2082 and CO sensors with an advertised service life of up to 6 years. With product registration, Testo offers a warranty of up to 5 years on these specific sensors, excluding a maintenance contract.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What types of measurements can this analyser perform?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This analyser can measure flue gas O\\u2082, CO (up to 4,000 ppm), NO, draft, integrated micro-pressure, ambient CO (with optional probe), and differential temperature (with optional probes). It's a comprehensive tool for heating system diagnostics.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are the necessary probes included with the Testo 300 LongLife?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No, the Testo 300 LongLife Combustion Analyzer (0633 3004 74) includes the main unit with O\\u2082, CO, and NO sensors, a USB mains unit, and a Bluetooth Connector. Flue gas probes, temperature probes, and other accessories required for specific measurements must be ordered separately.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Testo","offers":[{"title":"Default Title","offer_id":43754108125243,"sku":"0633 3004 74","price":7742.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0316\/7787\/4235\/files\/gda-2020-2000x1500-testo-300-us-v2_281a4cb0-931b-418c-be44-9953d272c4ef.jpg?v=1783396054","url":"https:\/\/www.hvacshop.com.au\/products\/testo-300-longlife-combustion-analyzer-0633-3004-74","provider":"HVAC Supply Shop","version":"1.0","type":"link"}