Model 840 & 830 Side-Trak® Analog Mass Flow Controller/Meter


Get accurate, reliable mass flow control with Sierra’s Side-Trak® Model 840 analog mass flow controller, or precise mass flow measurement with Sierra’s Model 830. With precise primary standard calibration to measure any clean, dry gas, with low pressure drop – including oxygen, mixtures, toxics, corrosives and combustibles – the Sierra Side-Trak model has proven to be one of the world’s most dependable flow controllers.

Sierra’s Side-Trak is widely used in process control, leak detection, gas distribution and scientific research applications at companies worldwide.

Unique Product Features:

  • Accuracy of +/- 1% of full scale
  • 316 stainless steel construction
  • Flow ranges from 0-10 sccm to 0-5600 slpm
  • 4-20 mA or 0-5 Vdc Analog Output Signal
  • + 15 Vdc Input Power
  • Flow ranges from 0-10 sccm to 0-5600 slpm
  • Fast-response control valve (1 second)
  • CRN Numbers for Ontario