Dwyer 3005MRS Photohelic® Switch/Gauge is a versatile and accurate product suitable for air and non-combustible gases. It has a temperature range of 20 to 120°F (-6.67 to 48.9°C) and an accuracy of ±2% of FS. With a 24 VDC power requirement and 18" (46 cm) cable assembly, it offers convenient electrical connections. The diaphragm can be mounted in the vertical position, and the switch type is a reliable solid-state relay. The dimensions are 4" (101.6 mm) dial face, 5" (127 mm) OD x 3-1/8" (79.38 mm).