McMillan’sModel 80 mass flow controllers for gas measurement are now available instainless steel construction. The controllers support flow ranges aslow as zero to 50 SCCM. Units are also available with aluminumconstruction, and displays are optional on all configurations. Thecontrollers consistently provide better than +/- 1.5 percent linearity(full scale) and 0.5 percent repeatability (full scale). Compactpackaging allows for easy integration into new or existing designs.