Thermal mass flow meter SteelMassTM 640S

for airSF6insertion

Insertion, totalizing air/gas mass flow meter Eliminate drift with patented DrySense™ sensor Increase flexibility with low pressure drop, high turndown Validate in the field for easy in-situ calibration Backed by lifetime sensor warranty Overview Named North America's #1 selling thermal mass flow meter (2009 Flow Research, Boston MA), Sierra’s SteelMass Model 640S delivers precise measurements for heavy-duty industrial gas mass and air flow meter measurement applications. This insertion thermal mass air/gas flow meter offers precision SCFM (standard cubic feet per minute), SFPM (surface feet per minute) and SMPS (standard meters per second) measurement of gas mass flow rate in industrial environments. Product Benefits Features our patented zero drift DrySense™ velocity sensor Lifetime warranty on sensor Sierra's state-of-the-art ISO 9000 closed loop calibration facility matches each application for best accuracy Greenhouse Gas (GHG) certified to meet EPA (40 CFR Part 98) Optimized (CH4) as well as N20, SF6, HFCs, PFCs and CO2, per the EPA mandate Custom options available: Wide range of process connections Low and high pressure hot tap Self-cleaning purge for dirty flow environments Axial probe design for dirty flow environments Longer probe lengths Multipoint flow averaging arrays for very large ducts Flow-range adjustment and validation and diagnostics Dual-range capability Field rangeability Flow totalizer and alarms Large LCD display and pushbutton interface, remote enclosure mounting available Small-diameter, 3/4 in. (19.1 mm) sensor probe