Get accuracy and longevity from the Valley Industries Universal 0-150 PSI Single Scale Ammonia Pressure Gauge. Featuring a 1/4" MNPT stainless steel bottom mount, making this gauge perfect for measuring wide range of applications. Easily read measurements with the 2.5” sized face that is enclosed with a enameled steel casing and acrylic lens for increased durability. Grade A accuracy (ASME/ANSI B40.1, 2-1-2%) for uniform consistency. Other features include stainless steel wetted parts, black enameled aluminum pointer, and C-shaped stainless steel bourdon tube. The operating temperature range for the 80 series pressure gauge is -40 to 150 degrees F (-40 to 65 degrees C). Can be used for other applications or industries such as water and utility, gas, oil, HVAC, and manufacturing.