Welcome to FSI

Falmouth Scientific, Inc. (FSI) is an international leader in the development and manufacture of high-quality precision instrumentation for oceanographic applications. 

What's New

FSI introduces the new revolutionary NXIC CTD.

The NXIC CTD provides scientific-quality conductivity, temperature and depth measurement capability in an extremely rugged package. This new CTD utilizes the patented NXIC conductivity sensor, originally developed by FSI for the US Navy DT-705 Sound Velocity/Salinity sensor. This sensor, required to pass Class A shock tests for Navy applications, provides the basis of an entirely new generation of extremely durable precision measurement instruments.  Download NXIC Summary Brochure 

FSI's product line includes:

• Conductivity Sensors
• Conductivity, Temperature and Depth Sensors (CTDs)
• Salinity and Sound-Velocity Sensors
• Multi-Parameter Water Quality Instruments
• 2-Dimensional and 3-Dimensional Acoustic Current Meters
• Wave and Tide Meters
• High-Performance Water Samplers
• Support Software for FSI products

FSI instruments provide the highest accuracy for monitoring needs in environments ranging from estuarine to full ocean depth.  

Falmouth Scientific, Inc. | 1400 Route 28A | PO Box 315 | Cataumet, MA 02534
Tel: 508 564-7640 | Fax: 508 564-7643 | Email: fsi@falmouth.com