Dwyer SG1-B10321N is a 1.5" industrial pressure gauge suitable for measuring compatible gases and liquids. With an accuracy of ±2.5% FS and an operating temperature range of -4 to 140°F (-20 to 60°C), it provides precise readings. The gauge features a durable 304 SS housing, a polycarbonate lens, and wetted materials including a brass connector and bronze tube. It has a 1/8" NPT process connection and is compactly sized at 1.5" (40 mm).