Add Unsurpassed Precision and Flexibility to Your Measurement System

Industry Leading Filters for the Most Demanding Measurement Applications

Optimize Sensor Performance in Extreme Environments

Collect Data You Can Trust With Built-In Performance Verification and Calibration

Real Time Cable and Sensor Health

The Global Leader in Signal Conditioning Technology

 

Precision Filters, Inc. (PFI) is a single-source electronics provider of analog signal conditioning and switching instrumentation designed for superior performance at a reasonable cost. We work closely with customers to ensure our products enable reliable, high-quality test measurements in the most demanding and critical applications.

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

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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

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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

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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

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