GF40/GF80 Series
Digital Mass Flow Controllers and Meters
Brooks GF40 (elastomer seal) and GF80 (metal seal) thermal mass flow controllers and meters are the perfect choice for customers who use a variety of gases and need to change gas types frequently, or who need to re-range while preserving gas measurement and controlling accuracy.

Digital Mass Flow Controllers and Meters
Brooks GF40 (elastomer seal) and GF80 (metal seal) thermal mass flow controllers and meters are the perfect choice for customers who use a variety of gases and need to change gas types frequently, or who need to re-range while preserving gas measurement and controlling accuracy.
- Corrosion-resistant Hastelloy C-22 sensor for durability
- Sub-1 second settling times
- 1% of set point accuracy
- Digital and analog I/O options available
- Flow accuracy: +1% S.P. 35-100%, +0.35% F.S. 2-35%
- Full scale flow range: 3 sccm to 50 slm
- Linearity: ± 0.5% F.S.