{"product_id":"testovent-417-flow-straightener-set-0554-4173","title":"Testovent 417 Flow Straightener Set","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThe Testo Testovent 417 flow straightener set is your go-to for getting accurate volume flow readings, especially at those tricky swirl outlets. It's designed to help HVAC technicians, commissioning engineers, and anyone balancing ventilation systems get reliable data where turbulence usually makes it tough.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eAnyone who's tried to measure airflow at a swirl diffuser knows it's a pain with just a vane anemometer. This kit sorts that out, delivering consistent readings even in highly turbulent air streams, which is key for optimising system performance.\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\u003eHVAC commissioning and balancing teams\u003c\/li\u003e\n\u003cli\u003eService and maintenance technicians\u003c\/li\u003e\n\u003cli\u003eVentilation system installers\u003c\/li\u003e\n\u003cli\u003eAuditing airflow in commercial buildings\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 Testovent 417 set is designed specifically for use with compatible Testo vane anemometers (sold separately) to measure volume flow at:\u003c\/p\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eSwirl outlets and diffusers\u003c\/li\u003e\n\u003cli\u003eRound plate outlets (up to Ø 200 mm)\u003c\/li\u003e\n\u003cli\u003eSquare ventilation grilles (up to 330 x 330 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eIt works by converting turbulent airflow into a more uniform stream, allowing for accurate readings from your connected anemometer. If 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\u003ePatented Testovent 417 Flow Straightener:\u003c\/strong\u003e Uniquely designed to transform turbulent airflow from swirl outlets into a uniform flow, ensuring reliable measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate Measurement:\u003c\/strong\u003e Enables precise volume flow readings even in highly turbulent air conditions, preventing errors caused by variable flow directions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Dedicated Funnels:\u003c\/strong\u003e Includes a round funnel (Ø 200 mm) for plate outlets and a square funnel (330 x 330 mm) for ventilation grilles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient Transport:\u003c\/strong\u003e Supplied with a practical case to keep the straightener and funnels organised and protected on site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Workflow:\u003c\/strong\u003e Simplifies the process of balancing ventilation systems by providing consistent and repeatable data at challenging measurement points.\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;\"\u003eComponent\u003c\/th\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eDetails\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;\"\u003eFlow Straightener\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eTestovent 417 (patented design)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eRound Funnel\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eFor plate outlets (Ø 200 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eSquare Funnel\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eFor ventilation grilles (330 x 330 mm)\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\u003eTestovent 417 volume flow straightener\u003c\/li\u003e\n\u003cli\u003eRound funnel for plate outlets (Ø 200 mm)\u003c\/li\u003e\n\u003cli\u003eSquare funnel for ventilation grilles (330 x 330 mm)\u003c\/li\u003e\n\u003cli\u003ePractical case\u003c\/li\u003e\n\u003cli\u003eInstructions for use for measuring with funnels\u003c\/li\u003e\n\u003cli\u003eAssembly instructions\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\u003ePrepare Equipment:\u003c\/strong\u003e Ensure your compatible Testo vane anemometer (not included) is ready for use and calibrated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssemble Funnel:\u003c\/strong\u003e Attach the appropriate funnel (round for plate outlets, square for grilles) to the Testovent 417 flow straightener.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect Anemometer:\u003c\/strong\u003e Securely connect your vane anemometer to the flow straightener setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition at Outlet:\u003c\/strong\u003e Place the assembled straightener and funnel firmly over the swirl outlet or grille where you need to measure volume flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTake Readings:\u003c\/strong\u003e Follow your anemometer's instructions to take consistent volume flow measurements. The straightener will ensure accurate readings despite turbulence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Away:\u003c\/strong\u003e After use, disassemble the components and store them safely in the practical case to protect them from damage.\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 set requires a compatible Testo vane anemometer for operation, which is sold separately.\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for volume flow measurement at swirl outlets, ventilation grilles, and plate outlets within the specified dimensions.\u003c\/li\u003e\n\u003cli\u003eAlways follow the safety guidelines and operating instructions provided with your Testo anemometer and the flow straightener.\u003c\/li\u003e\n\u003cli\u003eEnsure the straightener and funnels are clean and free from obstructions for optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #333; border-left: 4px solid #007acc; padding-left: 12px; margin-top: 25px;\"\u003eTradie Pro Tip\u003c\/h3\u003e\n\u003cblockquote style=\"border-left: 4px solid #007acc; background-color: #f9f9f9; font-style: italic; padding: 15px; margin: 20px 0;\"\u003eEven with a good flow straightener, always double-check your vane anemometer's zero point and calibration. Small errors in setup can throw out your whole system balance, especially when dealing with critical ventilation rates.\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 Testo 417 Vane Anemometer, other Testo airflow measurement tools, or a multi-function instrument for comprehensive HVAC system diagnostics and balancing work.\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 type of outlets is this flow straightener set compatible with?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Testovent 417 flow straightener set is designed for measuring volume flow at swirl outlets, round plate outlets (up to \\u00d8 200 mm), and square ventilation grilles (up to 330 x 330 mm). It requires a separate, compatible Testo vane anemometer for operation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What items are included in the Testovent 417 set?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The set includes the patented Testovent 417 volume flow straightener, one round funnel for plate outlets (\\u00d8 200 mm), one square funnel for ventilation grilles (330 x 330 mm), a practical transport case, and instructions for use and assembly.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does the Testovent 417 improve measurement accuracy at swirl outlets?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Testovent 417's patented design effectively converts the turbulent airflow typically found at swirl outlets into an almost uniform flow. This allows a connected vane anemometer to take reliable and accurate volume flow measurements, which would otherwise be highly inconsistent.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Testo","offers":[{"title":"Default Title","offer_id":43799308927035,"sku":"0554 4173","price":1105.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0316\/7787\/4235\/files\/testovent-417-volume-flow-straightener-set.jpg?v=1784272701","url":"https:\/\/www.hvacshop.com.au\/products\/testovent-417-flow-straightener-set-0554-4173","provider":"HVAC Supply Shop","version":"1.0","type":"link"}