SteelMass 640S Flow Meter


Accurate monitoring of peak, low flow and total air/gas mass flow rates is a critical part of many industrial process control systems. If you need a portable analog or digital air flow meter that easily inserts into industrial ducts and pipes up to 72 inches (2 m), choose SteelMass® 640S.

Accurate Metering of Peak, Low Flow and Total Mass Flow Rate

  • 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
 SteelMass 640S Flow Meter