Who We Are
Celebrating 50 years of Excellence (1975 - 2025)
Precision Filters, Inc. (PFI) designs, manufactures, and distributes precision instruments for the most demanding measurement applications. We provide high-performance signal conditioning and digitizing products with built-in verification and calibration features that are unrivalled in the industry. We combine our products with comprehensive technical resources and experienced support staff to ensure our customers obtain quality measurements they can trust.
Our Products
NEW SDAS Precision DAQ
- Precision's industry-leading analog signal conditioning in a complete DAQ package
- Choose models to measure bridge and strain, dynamic strain, charge, IEPE, and voltage inputs
- 24-bit A/D per channel with up to 312.5 ks/sec sampling and box-to-box synchronization via IEEE 1588
- Built-in go/no-go tests, NIST traceable calibration, and real-time sensor health monitoring
- Intuitive software for basic analysis and recording
28000 Signal Conditioning System
- Up to 256 channels per chassis
- Mix bridge, strain, RTD, thermocouple, Kulite, piezoelectric, piezo-resistive, IEPE, and pulse rate sensors
- PFI’s proprietary Balanced Constant Current (BCC) technology for dynamic strain conditioning
- Best-in-class analog filtering
- Built-in NIST Traceable calibration
Stand-Alone Signal Conditioners
- Space saving stand-alone products for benchtop or distributed signal conditioning
- Anti-alias filters and conditioning for RTD, silicon diodes, IEPE, and 4-20 mA sensors
- Integrated control and sensor-specific I/O
- High-performance in an economical package
NI C Series Conditioning Modules
- PFI quality signal conditioning for the C Series platform
- Anti-alias filters and conditioning for bridge, strain, charge, IEPE, and voltage
- Compatible with all NI C-Rio and C-Daq chassis
- Rugged compact platform operates from -40 to 70 °C
What's New
News
PFI on LinkedIn
Events
- 95th Shock and Vibration Exchange (SAVE) Symposium
September 21-25, 2025
New Orleans, LA, USA
Booth #303 - SciTech AIAA
January 12-16, 2026
Orlando, FL, USA
Booth #128 - IMAC-XLIV
January 19-22, 2026
Palm Springs, CA, USA
Booth #307 - Turbine Engine Technology Symposium (TETS)
September 14-17, 2026
Dayton, OH, USA