Precision Filters, Inc.

Signal Conditioning and Switching Products

Precision Filters, Signal Conditioning & Switching Products

Founded in 1975, Precision Filters, Inc. (PFI) is a manufacturer and global distributor of instrumentation for the most demanding measurement applications. We are a single-source provider of analog signal conditioning and switching products designed for superior performance at a reasonable cost.  We work closely with our customers to provide innovative solutions to their measurement challenges.

PFI designs and manufactures precision product solutions that include a family of analog signal conditioning, filtering and switching systems. The 28000 Signal Conditioning System provides a complete range of transducer conditioning with up to 256 channels per chassis. Precision’s solid-state switch provides up to 256x256 cross-point switching and replaces tedious manual patch panels. The PF-1U provides 8 or 16 channels of high performance filter/amplifiers in a compact package with Ethernet control.

Precision Filters is an ISO 9001:2015 certificated company.  For more information, please e-mail PFI at