Tru-Flate 24-804 Polycarbonate Air Line Gauge 1/4'' in. NPT 300 psi Accurately monitor fluid pressure in a variety of industrial and automotive applications with the Tru-Flate 24-804 0?300 PSI back mount air line pressure gauge. Designed for reliable performance, this gauge is ideal for measuring air pressure in compressed air systems, as well as water, oil, and other fluids compatible with brass and bronze components. Its versatile functionality makes it a valuable tool in garages, workshops, manufacturing facilities, and HVAC environments where precise pressure monitoring is essential. Featuring a robust pressed steel case and a shatterproof crystal lens, the gauge resists impact, vibration, and environmental damage, ensuring long-term durability even in demanding conditions. The 2-inch diameter face includes dual-scale markings in PSI and kg/cm for easy reading across different measurement systems, enhancing usability for a wide range of users. The gauge offers a nominal accuracy of 3-2-3%?with 3% tolerance in the top and bottom thirds of the scale and 2% in the middle third?providing dependable readings across its full 0?300 PSI range. The gauge is equipped with a 1/4-18 male NPT brass fitting mounted on the back, allowing for secure, leak-resistant installation in tight or flush-mount configurations. This back-mount design enables clean integration into panels, manifolds, or air lines where space is limited. The internal wetted parts are constructed from brass and bronze, ensuring compatibility with non-corrosive fluids and resistance to internal degradation. Measuring 2 x 2.3 x 2.3 inches and weighing just 3.77 ounces, the compact and lightweight design makes it easy to install and integrate into existing systems. Whether used for compressor monitoring, hydraulic testing, or pneumatic tool maintenance, the Tru-Flate 24-804 delivers consistent, clear, and accurate pressure feedback. Features - 0?300 PSI pressure gauge with dual scale in PSI and kg/cm for versatile readability - Back mount design with 1/4-18 male NPT brass fitting for secure, space-saving installation - Suitable for air, water, oil, and other fluids compatible with brass and bronze - Shatterproof crystal lens provides durability and resistance to impact - Pressed steel case offers protection against vibration and mechanical stress - Nominal accuracy: 3-2-3% (3% in top and bottom thirds, 2% in middle third) - Compact size: 2 x 2.3 x 2.3 inches for easy integration into tight spaces - Lightweight at 3.77 oz for minimal load on mounting surfaces - Ideal for use in compressed air systems, automotive, industrial, and HVAC applications - Resists corrosion and wear from internal fluid exposure Specifications - Brand Name: Tru-Flate - Model Name: Tru-Flate 24-804 - Part Number: 24-804 - UPC: 028893248040 - Global Trade Identification Number: 00028893248040 - Product Type: Pressure Gauge - Measurement Range: 0?300 PSI - Scale Units: PSI and kg/cm - Accuracy: 3-2-3% - Mounting Style: Back Mount - Connection Type: 1/4-18 Male NPT - Fitting Material: Brass - Case Material: Pressed Steel - Lens Material: Shatterproof Crystal - Wetted Parts Material: Brass, Bronze - Color: Silver/Black (standard industrial finish) - Product Dimensions: 2 x 2.3 x 2.3 inches - Item Weight: 3.77 oz - Manufacturer: Tru-Flate Product Application The Tru-Flate 24-804 pressure gauge is engineered for use in a wide range of fluid and pneumatic systems requiring accurate and durable pressure monitoring. Commonly installed on air compressors, regulator lines, hydraulic test benches, and fluid transfer systems, it provides reliable real-time feedback for operational safety and efficiency. Its ability to measure air, water, and oil makes it suitable for multi-purpose use in automotive repair shops, industrial plants, and maintenance facilities. With its rugged construction and precise calibration, this gauge supports consistent performance in both intermittent and continuous-duty environments. As part of the Plews Edelmann family of trusted automotive and industrial tools, Tru-Flate delivers quality and dependability for professionals and DIYers alike.