MKS Instruments are the world leading manufacturer of both thermal and pressure based mass flow controllers, meters and verifiers. Both metal and elastomer sealed models are available to suit both budget and high end applications.
The G-Series Mass Flow Controllers are a cost effective, high performance family of mass flow controllers well-suited for most industries and applications.
I-Series Mass Flow Controllers are designed specifically for industrial mass flow control applications in harsh environments where water and dust may be present and must be protected against.
P-Series, High Performance Mass Flow Controllers are designed for the most critical process applications where accuracy, repeatability as well as pressure insensitivity are requirements.