The ST50 Air/Gas insertion-type flowmeter measures flow of air, compressed air and nitrogen gas in line sizes from 212 in. It has a temperature-compensated thermal flow sensing element with accuracy of 2% of reading or 0.5% of full scale, and repeatability of 0.5% of reading. The flowmeter measures air flow from 1125 ft/sec, nitrogen from 1150 ft/sec, and compressed air from 4400 ft/sec. Prices start at $995.00.
FCI - Fluid Components International: 800-863-8704; www.fluidcomponents.com