Dwyer DR100200 is a Direct Reading Glass Flowmeter designed for use with compatible gases or liquids. It can withstand temperatures up to 250°F and has an accuracy of ±5% FS. The flowmeter has a vertical mounting and features wetted materials such as borosilicate glass, 316 SS, and PTFE. It has a pressure limit of 250 psig and a repeatability of ±0.25% of the scale reading. The flowmeter comes with direct reading 65 mm or 150 mm scales for air or water and has a 1/8" female NPT connection. It also includes a 6-turn needle valve for easy control.