{"product_id":"astroai-digital-tire-pressure-gauge-inflator-3-250-psi-range-swivel-brass-chuck-backlit-lcd","title":"AstroAI Digital Tire Pressure Gauge Inflator 3–250 PSI Range, Swivel Brass Chuck \u0026 Backlit LCD","description":"\u003cp\u003e\u003cstrong\u003eThe AstroAI 3-250 PSI Digital Tire Pressure Gauge Inflator is a professional-grade air tool that measures and adjusts tire pressure precisely, with an ANSI B40.7 Grade 2A calibration, a swivel brass chuck, and an easy-to-use trigger for inflate\/deflate control.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, heavy-duty inflator combines an accurate digital gauge and a durable inflator body to simplify routine tire care for cars, SUVs, trucks, RVs, motorcycles, and bicycles with Schrader valves. Designed for garage use, roadside adjustments, and travel preparation, it reads pressures in four units and gives clear, backlit results while resisting wear from regular shop use.\u003c\/p\u003e\n\n\u003ch3\u003eHow accurate is the pressure reading and which units does it show?\u003c\/h3\u003e\n\u003cp\u003eThe unit is professionally calibrated to ANSI B40.7 Grade 2A accuracy with ±0.5% full-scale tolerance and 0.1 PSI resolution, providing finer detail than most consumer gauges. A stable LCD displays pressure in multiple selectable units so you can match vehicle specifications without conversion guesswork.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCalibration: ANSI B40.7 Grade 2A (±0.5% full scale)\u003c\/li\u003e\n  \u003cli\u003eResolution: 0.1 PSI for precise adjustments\u003c\/li\u003e\n  \u003cli\u003eSelectable units: PSI, BAR, kPa, kg\/cm²\u003c\/li\u003e\n  \u003cli\u003eRange: 3–250 PSI to cover light vehicles through heavy-duty tires\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat controls let me inflate and deflate with one tool?\u003c\/h3\u003e\n\u003cp\u003eThe AstroAI inflator integrates a palm-grip trigger to add air and a push button to vent pressure, so you don’t need separate tools to fine-tune pressure. The handle is shaped to reduce hand fatigue during longer sessions and the 360° swivel chuck reaches awkward valve stems without twisting your wrist.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3-in-1 operation: inflate, hold, and release from the same unit\u003c\/li\u003e\n  \u003cli\u003ePalm-grip trigger for comfortable pumping\u003c\/li\u003e\n  \u003cli\u003eDeflate button for quick pressure reductions\u003c\/li\u003e\n  \u003cli\u003e360° swivel brass chuck to access angled valves easily\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this inflator rugged enough for garage and roadside use?\u003c\/h3\u003e\n\u003cp\u003eBuilt for frequent use, the tool pairs solid brass fittings with a crush-resistant rubber hose and a protective chuck cover to prevent valve damage. The backlit LCD and built-in LED flashlight help with visibility in dim garages or nighttime roadside checks, while the automatic idle shutoff conserves batteries between uses.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable brass chuck and brass compressor fitting for leak resistance\u003c\/li\u003e\n  \u003cli\u003e19.7\" rubber hose resists kinks and crushing\u003c\/li\u003e\n  \u003cli\u003eBacklit LCD plus integrated LED flashlight for low-light work\u003c\/li\u003e\n  \u003cli\u003eAuto power-on with airflow and auto-shutoff after inactivity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and valves are compatible with this inflator?\u003c\/h3\u003e\n\u003cp\u003eThe tool connects to standard 1\/4\" NPT compressors and works directly with Schrader valves on cars, light trucks, SUVs, RVs, and most motorcycle and bicycle inner tubes. It does not include adapters for Presta valves, ball needles, or mattress nozzles, so you’ll need compatible adapters for those applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with: cars, SUVs, trucks, RVs, motorcycles, bicycles (Schrader)\u003c\/li\u003e\n  \u003cli\u003eCompressor interface: 1\/4\" NPT fitting\u003c\/li\u003e\n  \u003cli\u003eAdapters not included: Presta, ball needles, air mattress nozzles\u003c\/li\u003e\n  \u003cli\u003eBest for Schrader-valve maintenance and shop inflating tasks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The AstroAI 3-250 PSI Digital Tire Inflator is aimed at drivers, home mechanics, and professional technicians who want a single, accurate, and durable inflator for routine tire maintenance and roadside troubleshooting. If you need precise pressure control, a rugged build for repeated use, and easy visibility in low light, this tool covers those needs—just add any specialty adapters required for non-Schrader valves.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this inflator work with Presta valves?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. It fits Schrader valves only; Presta adapters are not included and must be bought separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What compressor fitting does it use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The inflator uses a standard 1\/4\" NPT compressor fitting compatible with most shop compressors.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AstroAI","offers":[{"title":"Default Title","offer_id":48079889399966,"sku":"B0DD3VMB86","price":79.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/astroai-inflator-front-view.jpg?v=1785774571","url":"https:\/\/northtrailauto.ca\/products\/astroai-digital-tire-pressure-gauge-inflator-3-250-psi-range-swivel-brass-chuck-backlit-lcd","provider":"North Trail Auto","version":"1.0","type":"link"}