{"title":"► Klein Tools | Differential Manometers","description":"\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003ePrecise Airflow Testing, Tough Field Durability \u0026amp; HVAC Performance You Can Trust\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePressure readings set the tone for every HVAC diagnostic job, so technicians choose Klein Tools differential manometers when they want crisp sensor response, reliable calibration \u0026amp; a housing that doesn’t flinch under commercial site punishment\u003c\/strong\u003e\u003cspan\u003e. HVAC crews checking static pressure before commissioning routinely organize their hoses on \u003c\/span\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/roof-sealants-adhesives\" rel=\"noopener\" target=\"_blank\"\u003e\u003cem\u003e\u003cstrong\u003eRoof Sealants \u0026amp; Adhesives\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/roof-sealants-adhesives\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003ecases to stop debris from contaminating ports before attaching to their digital differential manometer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eService teams evaluating blower performance often place fittings on \u003c\/span\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/lag-screws\" rel=\"noopener\" target=\"_blank\"\u003e\u003cem\u003e\u003cstrong\u003eLag Screws\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e\u003cspan\u003e trays to keep lines sorted during multi-point testing. Mechanical contractors balancing large air-handler systems rely on \u003c\/span\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/slip-resistant-footwear\" rel=\"noopener\" target=\"_blank\"\u003e\u003cem\u003e\u003cstrong\u003eSlip-Resistant Footwear\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e\u003cspan\u003e for steady footing when accessing overhead duct branches for precise pressure readings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eRefrigeration techs confirming coil drop often stage their tools on \u003c\/span\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/tool-roll-wrap-sets\" rel=\"noopener\" target=\"_blank\"\u003e\u003cem\u003e\u003cstrong\u003eTool Roll | Wrap Sets\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e\u003cspan\u003e so the manometer stays clean during rapid port changes. Industrial maintenance workers measuring equipment plenum pressures rest tubing on \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/shock-absorbing-lanyards\" rel=\"noopener\" target=\"_blank\"\u003eShock-Absorbing Lanyards\u003c\/a\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/shock-absorbing-lanyards\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e\u003cem\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/em\u003eto avoid kinks that can distort airflow readings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eTelecom facility teams assess cooling infrastructure position hoses on \u003c\/span\u003e\u003ca href=\"https:\/\/www.industrialshed.net.au\/collections\/pressed-metal-housings\" rel=\"noopener\" target=\"_blank\"\u003e\u003cem\u003e\u003cstrong\u003ePressed Metal Housings\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e\u003cspan\u003e while capturing supply-to-return pressure differences that influence thermal loads. Each scenario highlights the same point: HVAC decisions fall apart without accurate, trustworthy pressure measurement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat’s in This Collection:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► Klein Tools Digital Differential Manometers\u003cbr\u003e‣ Designed for static pressure, duct airflow testing \u0026amp; system tuning accuracy.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► Klein Tools Multi-Function HVAC Manometers\u003cbr\u003e‣ Engineered to measure pressure, temperature \u0026amp; other key HVAC performance metrics.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► Klein Tools Industrial-Grade Differential Manometers\u003cbr\u003e‣ Made for harsh mechanical rooms, rooftop units \u0026amp; long-term field reliability.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► Klein Tools Precision Low-Pressure Manometers\u003cbr\u003e‣ Shaped for VAV systems, airflow dampers \u0026amp; sensitive testing environments.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e► Klein Tools Dual-Port Differential Manometers\u003cbr\u003e‣ Meant for direct A\/B comparison across filters, coils, blowers \u0026amp; static zones.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","products":[{"product_id":"klein-tools-digital-differential-manometer-a-et180","title":"Klein Tools - Digital Differential Manometer | A-ET180","description":"\u003ch2\u003eDIGITAL DIFFERENTIAL MANOMETER | A-ET180\u003c\/h2\u003e\r\n\r\n\u003cp\u003eThe Klein Tools ET180 Digital Differential Manometer is a professional HVAC diagnostic instrument designed to measure gas pressure, static pressure, differential pressure and airflow system performance. Featuring dual input ports and a large backlit display, the ET180 delivers accurate pressure measurements in multiple units while helping technicians diagnose furnaces, boilers, ventilation systems and ductwork. Its compact handheld design and included tubing kit make it ideal for HVAC installation, commissioning and maintenance applications. ([kleintools.com](https:\/\/www.kleintools.com\/catalog\/hvac-testing\/digital-differential-manometer?utm_source=chatgpt.com))\u003c\/p\u003e\r\n\r\n\u003ch3\u003e► Key Features\u003c\/h3\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003eMeasures differential, positive and negative pressure\u003c\/li\u003e\r\n  \u003cli\u003eDual pressure ports for comparative measurements\u003c\/li\u003e\r\n  \u003cli\u003eLarge backlit LCD display for easy viewing\u003c\/li\u003e\r\n  \u003cli\u003eMultiple selectable pressure units\u003c\/li\u003e\r\n  \u003cli\u003eData Hold, Min\/Max and Zero functions\u003c\/li\u003e\r\n  \u003cli\u003eIdeal for gas pressure, static pressure and airflow testing\u003c\/li\u003e\r\n  \u003cli\u003eCompact handheld design for field use\u003c\/li\u003e\r\n  \u003cli\u003eSuitable for HVAC installation, servicing and commissioning\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003e► Technical Specifications\u003c\/h3\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003eType: Digital Differential Manometer\u003c\/li\u003e\r\n  \u003cli\u003ePressure Range: ±60 inH₂O\u003c\/li\u003e\r\n  \u003cli\u003eResolution: 0.01 inH₂O\u003c\/li\u003e\r\n  \u003cli\u003eAccuracy: ±1.5% Full Scale\u003c\/li\u003e\r\n  \u003cli\u003ePressure Units: inH₂O, psi, mbar, kPa, Pa, mmH₂O and others\u003c\/li\u003e\r\n  \u003cli\u003eDisplay: Backlit LCD\u003c\/li\u003e\r\n  \u003cli\u003eFunctions: Data Hold, Min\/Max, Zero\u003c\/li\u003e\r\n  \u003cli\u003eInput Ports: Dual Pressure Ports\u003c\/li\u003e\r\n  \u003cli\u003ePower Source: 4 x AAA Batteries\u003c\/li\u003e\r\n  \u003cli\u003eAuto Power-Off: Yes\u003c\/li\u003e\r\n  \u003cli\u003eIncluded Accessories: Tubing, Batteries \u0026amp; Carrying Case\u003c\/li\u003e\r\n  \u003cli\u003eApplication: HVAC, Gas Pressure \u0026amp; Airflow Testing\u003c\/li\u003e\r\n  \u003cli\u003eBrand: Klein Tools\u003c\/li\u003e\r\n  \u003cli\u003ePart No.: A-ET180\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003e► Why Tradies Grab This\u003c\/h3\u003e\r\n\u003cp\u003eThe ET180 provides HVAC technicians with accurate pressure measurements needed for diagnosing airflow restrictions, checking gas supply pressures and commissioning heating and ventilation systems. Its dual-port differential measurement capability makes it particularly useful for balancing systems and troubleshooting performance issues.\u003c\/p\u003e\r\n\r\n\u003ch3\u003e► Industrial Shed’s Trade Guarantee – Shop with Confidence\u003c\/h3\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003eWe Stand By Our Gear:\u003c\/strong\u003e Professional-grade diagnostic equipment built for demanding trade environments.\u003c\/li\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003eLoyalty Matters:\u003c\/strong\u003e Trade account benefits available for repeat customers.\u003c\/li\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003eReal Support, No Runaround:\u003c\/strong\u003e Backed by a team that understands HVAC testing and maintenance applications.\u003c\/li\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003eFast Delivery, Every Time:\u003c\/strong\u003e Get the gear you need without unnecessary delays.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003e► Stock won’t last — get yours now at Industrial Shed!\u003c\/h3\u003e","brand":"Klein Tools","offers":[{"title":"Default Title","offer_id":51545127289121,"sku":"A-ET180","price":271.82,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/4562\/8449\/files\/et180_b_dd0a16f4-f364-47cc-b244-21bebdbdaab7.jpg?v=1757168254"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/4562\/8449\/collections\/kleintoolsaustralia-logo_f4db37a3-757b-4b6c-b1b2-f5ebb1202725.jpg?v=1757769862","url":"https:\/\/www.industrialshed.net.au\/collections\/klein-tools-differential-manometers.oembed","provider":"Industrial Shed","version":"1.0","type":"link"}