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Founded in 1975, Precision Filters, Inc. is a manufacturer and global distributor of high performance instrumentation for test measurements.

Precision Filters C-Series Modules Fully Compatible with NI CompactDAQ and CompactRIO Systems

Precision Filters (PFI) offers a family of signal conditioning modules that work seamlessly with National Instruments’ rugged, portable CompactDAQ™ and CompactRIO™ data acquisition platforms. Choose from five different modules to add state-of-the-art performance and accuracy to systems using charge, bridge, dynamic strain, IEPE, or voltage-based sensors.

PFI’s high-performance analog signal conditioning lets you optimize measurements for critical test applications such as transient shock, wind tunnel testing, gas and steam turbines, underwater acoustics and sonar, aircraft engine test cells, and more. Real-time sensor parametric health is measured continuously and reported on the fly. All of the fully programmable modules are equipped with Precision Filters’ Test Bus for inserting calibration signals at the module input, allowing quick and easy automated verification of the entire signal chain to provide confidence in your data.

Use the supplied LabVIEW™ module driver VI to integrate PFI’s signal conditioner modules with NI voltage input A/D modules in a cDAQ or cRIO chassis. Or build a turn-key signal conditioning front-end using ¬†an Ethernet RIO chassis and PFI’s standalone graphical user interface—no software to write. Sharp, programmable low-pass filters provide alias protection for NI analog-to-digital converter modules.






Precision Filters' cRIO Modules

  • PFI-9102 Bridge Conditioner for Pressure/Strain/ Vibration/Load Measurements
  • PFI-9302 Charge Conditioner for Piezoelectric Sensor Measurements
  • PFI-9452 Dynamic Strain Conditioner with Precision Filters' Balanced Constant Current™ Technology
  • PFI-9602 Anti-Aliasing Amplifier and Filter with IEPE Current Source
  • PFI-9608 8-Channel Programmable 4-Pole Low-Pass Filter for Anti-Aliasing Applications

You can count on PFI’s dependable signal conditioning technology for precise measurements.

To learn more about Precision Filters’ C-Series signal conditioning modules and how they can help you solve your measurement challenges, please visit Precision CompactDAQ and CompactRIO Signal Conditioning Modules or contact Precision Filters, Inc. at 607-277-3550 or by email at sales@pfinc.com.

™ Balanced Constant Current and BCC are Trademarks of Precision Filters, Inc.

™ National Instruments, NI, CompactRIO, CompactDAQ and LabView are trademarks of the National Instruments Corporation.