{"product_id":"compound-pressure-gauge-30-inhg-to-30-psi-liquid-filled-4-dial-1-4-npt-lower-mount-304-stainless-steel-case-brass-wetted-parts-psi-inhg-asme-b40-1-grade-a-size-30inhg-0-30psi-style-standard","title":"Compound Pressure Gauge -30 inHg to 30 PSI, Liquid Filled, 4\" Dial, 1\/4 NPT Lower Mount, 304 Stainless Steel Case, Brass Wetted Parts, PSI\/inHg - ASME B40.1 Grade A - size: -30inHg \/ 0 \/ +30Psi, style: STANDARD","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eASME B40.1 Grade A Accuracy (+\/-2-1-2%): Professionally manufactured for reliable performance; large 4\" (100mm) dial with high-contrast markings ensures easy pressure reading.\u003c\/li\u003e\n\u003cli\u003eLiquid Filled for Stable Reading: Glycerin filling stabilizes pointer movement and dampens vibration and pulsation to prevent needle flutter and pressure spikes, ensuring accurate dual-scale PSI\/Bar readings.\u003c\/li\u003e\n\u003cli\u003eIndustrial \u0026amp; Commercial Use: Ideal for air, oil, water, and gas systems including pumps, compressors, hydraulic presses, pneumatic equipment, irrigation, HVAC, pool filtration, and general machinery.\u003c\/li\u003e\n\u003cli\u003eHeavy Duty Construction: Rust-resistant 304 stainless steel case with durable brass wetted parts and copper alloy internals; chrome-plated brass connection and polycarbonate lens for impact resistance.\u003c\/li\u003e\n\u003cli\u003eStandard 1\/4\" NPT Lower Connection: Ensures compatibility with most regulators, tanks, manifolds, and fittings. Please verify your connection size before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e CARBO INSTRUMENTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass and Copper alloy Wetted Parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Items:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Npt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Count:\u003c\/strong\u003e 1 Count\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CARBO INSTRUMENTS","offers":[{"title":"Default Title","offer_id":47176106508342,"sku":"B087LNBQT1-size-30inhg-0-30psi-style-standard","price":56.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/2428\/2166\/files\/413jxb5RWHL_6f3037ad-b50a-4668-b6a0-31a229fca088.jpg?v=1786368397","url":"https:\/\/herdlume.com\/products\/compound-pressure-gauge-30-inhg-to-30-psi-liquid-filled-4-dial-1-4-npt-lower-mount-304-stainless-steel-case-brass-wetted-parts-psi-inhg-asme-b40-1-grade-a-size-30inhg-0-30psi-style-standard","provider":"Herdlume","version":"1.0","type":"link"}