Dwyer PTGD-AA02A is a differential pressure piston-type gauge designed for use with compatible gases and liquids. With an accuracy of ±2% FS and a temperature range of up to 176°F (80°C), it can be mounted in any position. Constructed with high-quality materials, it has a pressure limit of 3000 psi (206 bar) for the aluminum body and 6000 psi (413 bar) for the SS body. Offering versatile installation options, it features 1/4" female NPT end connections as standard and 1/4" female NPT back or bottom connections available. Available in both 2.5" (63 mm) and 4.5" (115 mm) dimensions, its window is made of durable acrylic.