Mass Flow Controller Experts You Can Trust
What we do
Our Services
Comprehensive MFC services to keep your process running at peak performance.
MFC Calibration
NIST-traceable calibration for all major MFC brands. Restore factory accuracy and ensure process repeatability
Service Levels
24-hour turnaround available for critical applications. Minimize downtime with our expedited service program.
Calibration Policy
Our calibration equipment is calibrated using standards and instruments directly traceable to the National Institute of Standards and Technology (NIST).
Rotameter Calibration
We produce ISO 17025 accredited calibration curves for rotameters. Contact us for pricing information.
Refurbished Devices & Build Programs
Coastal Instruments reconditioned mass flow controllers are dependable, accurate, and economical.
Sales — Equipment & Accessories
Sales and service of refurbished mass flow controllers, power supplies, readout boxes, cables, adapters, and breakout boards. We also purchase used MFCs and associated equipment.






































Why us
Why semiconductor fabs choose Coastal Instruments
NIST-Traceable Accuracy
Every calibration uses NIST-traceable reference standards with a detailed calibration certificate.
All Major Brands
Brooks, MKS, Horiba, Alicat, Bronkhorst, Fujikin — we service them all with genuine expertise.
Fast Turnaround
Standard service in 3-5 days. Rush service in 24 hours. Downtime is expensive; we minimize it.
Cost-Effective
Repair costs 30-70% less than OEM replacement. We restore factory spec performance for a fraction of the price.
Get a quote in minutes
Ready to get your MFCs back in spec?
Submit a quote request today and hear back within 1 business day.