Dwyer PTGD-SA07A is a differential pressure piston-type gauge that can handle temperatures up to 176°F (80°C) with an accuracy of ±2% FS. It is designed for use with compatible gases and liquids and can be mounted in any position. The wetted materials include aluminum or 316 SS for the gauge body and piston, 302 SS for the spring, and Buna-N or PTFE for the seals. The pressure limit is 3000 psi (206 bar) for aluminum body and 6000 psi (413 bar) for SS body. It features a 1/4" female NPT end connection and is available with 1/4" BSP. The dimensions are either 2.5" (63 mm) or 4.5" (115 mm) with an acrylic window.