Model 860 Auto-Trak™ Premium Mass Flow Controllers

For precise mass flow control of any clean dry gas including mixtures, toxics, corrosives, and combustibles, consider the Model 860 Auto-Trak™ MFC. Our Model 860 has proven to be one of the most dependable flow controllers in the world over the last 20 years. 

Our Model 860 is widely used in process control, leak detection, gas distribution and scientific research applications among many others. The integrated electro magnetic control valve provides precise, instantaneous control of gas delivery over the full range of the product.

Our Model 860 uses Sierra’s patented sensor design with access ports to facilitate easy sensor cleaning.  In addition, Sierra’s Platinum Sensor Technology eliminates zero-drift and creates excellent long-term reliability.