{"product_id":"klein-tools-et180-digital-differential-manometer-hvac-gas-pressure-tester-measures-p1-p2-differential-static-pressure-60-inh2o-backlit-lcd-magnet","title":"Klein Tools Manometer ET180 Digital Differential HVAC Gas Pressure Tester (Dual Port Stainless Steel 60 inH2O Backlit LCD Rear Mounting Magnet Pouch)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333333; line-height: 1.6;\"\u003e\n\u003ch2 style=\"color: #004b87;\"\u003e\u003ca title=\"Link to Klein Tools homepage\" href=\"https:\/\/www.1toptools.com\/pages\/klein-tools\"\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"Klein promotional logo logout\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/KleinStacked-Black.png?v=1774018194\"\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003cdiv style=\"font-family: sans-serif; color: #333; line-height: 1.6;\"\u003e\n\u003ch2 style=\"color: #004b87;\"\u003eTrack Static Air Distribution Losses and Balance Furnace Manifold Pressures Instantly with Hands Free Magnetic Dual Port Transduction\u003c\/h2\u003e\n\u003cp\u003eShop the Klein Tools ET180 digital differential manometer engineered to audit air and gas pressure gradients across commercial ventilation networks. This dual-port diagnostic tester tracks differential variables between Port 1 and Port 2 within an operational boundary up to 60 inH2O and a maximum safety limit of 2.16 PSI. Integrating 11 selectable engineering scales, a heavy-duty rear mounting rare-earth magnet, and an advanced calculation chip, it isolates structural static pressure leaks and valve tracking errors inside tight sheet metal furnace enclosures.\u003c\/p\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eBest Used For:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Manifold Calibration:\u003c\/strong\u003e Interfacing the tapered stainless steel inputs with furnace valves to adjust operating metrics between 0 and 2.16 PSI.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct Static Surveys:\u003c\/strong\u003e Running structural air distribution checks across supply and return branches to trace airflow resistance trends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilation Balancing:\u003c\/strong\u003e Monitoring micro-pressure differentials in commercial air handlers to balance structural indoor climate distribution logs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eKey Performance \u0026amp; Safety Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Port Transduction:\u003c\/strong\u003e Dual inputs capture separate localized static pressure lines concurrently to deliver real-time differential values.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11 Engineering Scales:\u003c\/strong\u003e Toggles manually between inH2O, bar, oz\/in2, psi, mbar, kPa, inHg, mmHg, kg\/cm2, ftH2O, and cmH2O metric benchmarks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Mounting Magnet:\u003c\/strong\u003e Rare-earth magnetic backing plate anchors the chassis safely onto iron furnace cabinets for clear hands-free adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-Time Data Logs:\u003c\/strong\u003e Onboard logic modules aggregate maximum, minimum, and moving average baseline values to streamline troubleshooting sweeps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIlluminated Digital Monitor:\u003c\/strong\u003e High-definition liquid crystal interface populates illuminated character fields to conquer visibility barriers inside dark attics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eET180 Digital Differential Manometer\u003c\/li\u003e\n\u003cli\u003e6.56-Foot (2 m) Silicon Tubing (1\/8-inch ID)\u003c\/li\u003e\n\u003cli\u003eThree AAA Alkaline Batteries\u003c\/li\u003e\n\u003cli\u003eProtective Storage Pouch\u003c\/li\u003e\n\u003cli\u003eInstruction Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe width=\"872\" height=\"490\" src=\"https:\/\/www.youtube.com\/embed\/vYz_ZuLkhkQ\" title=\"Digital Differential Manometer, ET180\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable height=\"510\" style=\"width: 57.1429%; border-collapse: collapse; border: 1px solid rgb(224, 224, 224); border-radius: 8px; overflow: hidden;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 49.0161%;\"\u003e\u003cstrong\u003eMonitored Pressure Span:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 50.9839%;\"\u003e±60 inH2O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 49.0161%;\"\u003e\u003cstrong\u003eMaximum Safe Pressure:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 50.9839%;\"\u003e2.16 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 49.0161%;\"\u003e\u003cstrong\u003eFull Scale Accuracy:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 50.9839%;\"\u003e±1.5% Full Scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 49.0161%;\"\u003e\u003cstrong\u003eInput Port Quantity:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 50.9839%;\"\u003e2 (Tapered Stainless Steel Ports)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 49.0161%;\"\u003e\u003cstrong\u003eConnector Fitting Scale:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 50.9839%;\"\u003e1\/8-inch to 5\/16-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 49.0161%;\"\u003e\u003cstrong\u003eThermal Operational Band:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 50.9839%;\"\u003e32° to 122°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 49.0161%;\"\u003e\u003cstrong\u003eDisplay Interface Profile:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 50.9839%;\"\u003eBacklit LCD Digital Screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 49.0161%;\"\u003e\u003cstrong\u003ePower Source Requirements:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 50.9839%;\"\u003e3 x AAA Batteries (Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 49.0161%;\"\u003e\u003cstrong\u003eChassis Compound Material:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 50.9839%;\"\u003eABS Plastic and Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 49.0161%;\"\u003e\u003cstrong\u003eTester Chassis Length:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 50.9839%;\"\u003e6.19 Inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 49.0161%;\"\u003e\u003cstrong\u003eTester Chassis Width:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border-bottom: 1px solid rgb(224, 224, 224); width: 50.9839%;\"\u003e2.47 Inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; width: 49.0161%;\"\u003e\u003cstrong\u003eNet Operating Weight:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; width: 50.9839%;\"\u003e7.2 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cblockquote style=\"border-left: 5px solid #004b87; margin: 20px 0; padding: 15px; background-color: #f0f7ff; color: #004b87;\"\u003e\n\u003cstrong\u003ePro-Tip:\u003c\/strong\u003e Before opening gas valves to verify furnace manifolds, disconnect the lines and push the zero button with your inputs open to air; this steps calibrates local atmospheric references to guarantee absolute transducer precision.\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KLEIN TOOLS","offers":[{"title":"Default Title","offer_id":51944809529655,"sku":"ET180","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/Klein_Tools_ET180_Digital_Differential_Manometer_HVAC_Gas_Pressure_Tester_Measures_P1_P2_Differential_Static_Pressure_-_60_inH2O_Backlit_LCD_Magnet.jpg?v=1775853703","url":"https:\/\/www.1toptools.com\/products\/klein-tools-et180-digital-differential-manometer-hvac-gas-pressure-tester-measures-p1-p2-differential-static-pressure-60-inh2o-backlit-lcd-magnet","provider":"1 Top Tools","version":"1.0","type":"link"}