【HIGH-ACCURACY INDUSTRIAL GAUGE】 - This liquid-filled pressure gauge is calibrated to ±2-1.5-2% accuracy, engineered with a 304 stainless steel case and brass internals for stable and precise readings in air, water, oil, and gas systems 【GLYCERIN-FILLED FOR STABILITY】 - The glycerin filling dampens pointer fluctuations caused by pressure pulses or system vibrations, ensuring smoother operation and more accurate tracking of pressure changes, especially in dynamic environments 【EASY TO READ 2.5'' DIAL WITH DUAL SCALE】 - The 2.5-inch dial displays pressure in both PSI and BAR, with 0–200 PSI range. Designed for fast, accurate monitoring in systems operating up to 160 PSI, helping maintain accuracy and prevent overload 【IP67 WATERPROOF & DUST-TIGHT】 - Fully sealed to withstand harsh environments, this IP67-rated water pressure gauge resists moisture, debris, and fogging—well-suited for outdoor or industrial use in HVAC, plumbing, and well systems 【UNIVERSAL LOWER MOUNT + INSTALL KIT】 - Equipped with a 1/4" NPT lower mount, compatible with air compressors, pool filters, pressure regulators, RV regulators. Includes Teflon tape and wrench for quick, leak-free installation The NexSphere 2-1/2" Liquid-Filled Pressure Gauge is designed for industrial, automotive, and HVAC applications, delivering high-precision pressure readings in air, water, oil, and hydraulic systems. Built with a rugged 304 stainless steel case, this corrosion-resistant gauge ensures long-term durability, while the glycerin-filled design effectively dampens vibrations for stable and accurate measurements. Featuring a dual-scale dial with 0-200 PSI and 0-14 Bar readings, this pressure gauge offers ±2-1.5-2% accuracy, making it ideal for compressors, pumps, hydraulic systems, fuel lines, and irrigation setups. The IP67 waterproof and dustproof rating guarantees reliable operation in harsh environments, ensuring resistance to moisture, debris, and extreme weather conditions. Equipped with a 1/4" NPT lower mount, this air pressure gauge is compatible with a wide range of industrial and home water pressure systems, including well pumps, plumbing systems, boilers, and fire suppression setups. The brass connection and movement provide resistance against corrosion and leaks, ensuring consistent, long-lasting performance. Each NexSphere pressure gauge comes with a wrench and Teflon tape, allowing for hassle-free installation and a secure, leak-proof fit. Whether you're monitoring air pressure, water pressure for home systems, hydraulic pressure, or oil pressure in machinery, this high-performance manometer ensures accurate and dependable pressure readings under the most demanding conditions.