Smart-Trak 50 Series Mass Flow Meter and Controller


Sierra Instruments’ Smart-Trak® 50 Series is a digital mass flow meter and controller designed to meet the low-cost budgetary requirements of OEM’s while maintaining excellent quality and performance.  Inspired by the need for accurate and reliable gas mass flow control at an OEM price, the 50 Series delivers by building on the same core sensor, LFE and valve technology found in our award-winning Smart-Trak® 100 Series, all backed by industry best off-the-shelf fast product delivery.  The flexible and powerful direct-acting control valve sets it apart from the competition by minimizing leak-by, while offering a 300 ms response time to setpoint changes at +/- 0.25% repeatability.

Unique Product Features:

  • Accuracy: +/- 1.5% full scale
  • 316SS Body or Aluminum (Meter is only available with Aluminum Body)
  • 300 ms control valve time constant
  • Repeatability: +/- 0.25% full scale
  • Control gas mass flow rates to 50 slpm (nlpm)
  • Powerful direct-acting control valve minimizes leak-by
  • All the performance features of a digital mass flow controller at an OEM price
  • Advanced 316L SS platinum sensor technology and patented LFE provide excellent linear performance