Precision Filters Products – Built on a Foundation of Excellence and Innovation

28000 Signal Conditioning System and Components

• 28000 Signal Conditioning System Overview
• Bridge and Strain Conditioner Overview
• Dual Mode Constant Voltage & BCC Excitation
• Bridge Conditioner with Voltage Excitation
• Dynamic Strain with Current Excitation
• Charge and IEPE Conditioning Overview
• Dual Mode Charge and IEPE with Long Distance TEDS
• Isolated High Density IEPE with Long Distance TEDS
• Charge/IEPE Amp for Rotating Machinery
• Thermocouple Conditioner
• Frequency-to-Voltage Conditioner
• Acoustic/Vibration Conditioner
• 28000 Test Subsystem
• Flat/Pulse Low-Pass Filter Technology
• 28000 Accessories

Voltage Filter/Amplifier Systems & 28000 System Filter/Amplifier Cards

• PFA-2 Precision 2-Channel Compact Filter/Amplifier System
• PFA-2 6-Pole Flat/Pulse Low-Pass Filter Technology
• Precision PF-1U-FA 8 or 16-Channel Programmable Filter/Amplifier Systems
• PF-1U-FA 4-Pole/8-Pole Flat/Pulse Low-Pass Filter Technology
• 28000 Voltage Filter/Amplifier Overview
• 8-Channel 200 kHz Filter/Amp
• 2-Channel 3 MHz Filter/Amp

Precision Compact DAQ & CompactRIO Signal Conditioning Modules

• Precision C Series Signal Conditioning Modules Overview

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High Performance Signal Conditioning for Confined Spaces

• SCB-16FA-IEPE: 16-Channel IEPE/Voltage Filter/Amplifier
• SCB-32CC-100 μA: 32-Channel High Stability Current Source for RTD, Thermistor or Silicon Diode Temperature Measurement

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High Density Programmable Signal Switching Systems

• High Density Programmable Signal Switching Systems Overview
• Precision 4164 64x64 Switch Matrix System
• Precision 464kC Switch Matrix System

Solutions for the Demanding Test Measurement Industry

• Satellite Test Cell Switch Systems
• Signal Conditioning for Rocket Engine Testing
• Acoustics Testing
• Measuring Shock and Vibration
• Signal Conditioning for Rotating Machinery
• Conditioners for Dynamic Strain
• Amplifiers for Shock

• Signal Conditioning for Gas Turbine Engine Testing
• Automotive Testing Solutions
• Precision Solutions for Wind Tunnel Testing
• Feel the Heat—Signal conditioning for high-temperature gas turbine engine tests (As published in Aerospace Testing International)

Measurement Technologies

• Anti-Aliasing Filters Reduce Errors in Data Acquisition
• Bridge, RTD, Thermocouple or Voltage Conditioner
• REZCOMP™ Sensor Resonance Compensation
• LDTEDS: A Method for Long Distance Communication to Smart Transducers with TEDS
• Balanced Constant Current Excitation for Dynamic Strain Measurements

Technical Support, Resources and Customer Service Overview

Technical Support

• Contact PFI Technical Support
• Terms of Sale
• Repairs and Calibration Sevices
• Optional Upgrades, Conversions and Expansions
• Product Warranty

Sales Reps and Applications Engineers

• United States Customers
• International Customers

Product Demonstrations and Training

• Strain and Vibration Measurement Workshop
• On-Site Product Demonstrations and Training

Training and Education Resources

• Applied Measurements Engineering Short Course
• Measurement System Engineering (MSE) Short Courses

Resources

• Society for Experimental Mechanics (SEM)
• Western Region Strain Gauge Committee
• Shock and Vibration Exchange
• The Propulsion Instrumentation Working Group

Customer Service

Precision Filters, Inc.

240 Cherry Street

Ithaca, New York 14850-5099

Technical Support Phone:

607-277-3550 ext.2

E-mail:

Customer Service:
customer-service@pfinc.com

General Information:

pfinfo@pfinc.com

Sales Inquiries:

sales@pfinc.com

Fax:

607-277-4466

Product Specifications and Brochures - Requires Adobe Reader (PDF)

28000 Signal Conditioning System Brochure

Bridge and Dynamic Strain Conditioners

• 28101-EXC-250mA 1-Channel High-Power Excitation Supply
• 28108 8-Channel Wideband Bridge Conditioner
• 28114 4-Channel Transducer Conditioner with Voltage and Current Excitation
• 28118 4-Channel Bridge Conditioner with Voltage Excitation
• 28124 4-Channel Transducer Conditioner with Voltage and Current Excitation
• 28124-EA 4-Channel Transducer Conditioner with Voltage and Current Excitation and 0.01% DC Accuracy
• 28144 4-Channel Wideband Transducer Conditioner with Voltage and Current Excitation
• 28458 8-Channel Conditioner with Balanced Constant Current™ Excitation

Frequency-to-Voltage Conditioner

• 28524 4-Channel Frequency-to-Voltage Converter Module

Acoustic/Vibration Conditioner

• 28918A 8-Channel CVLD/IEPE Conditioner

Charge and IEPE Conditioners

• 28304 4-Charge and IEPE Conditioner with Long Distance TEDS
• 28324 4-Charge and IEPE Conditioner with Long Distance TEDS
• 28316C Isolated IEPE Accelerometer Conditioner with Long Distance TEDS
• 28302B-FX02 Dual Vibration Amplifier for Rotating Machinery

Thermocouple Conditioner

• 28208A Thermocouple Conditioner

28000 Test Subsystem

28000 Output Buffer Modules

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Voltage Filter/Amplifier Systems & 28000 Filter/Amp Cards

• PFA-2 2-Channel Compact Filter/Amplifies System
• PF-1U-FA 8-Channel or 16-Channel High Performance Filter/Amplifier Systems
• 28608B Programmable Voltage Filter/Amplifier
• 28618 8-Channel Programmable Voltage Filter/Amplifier
• 28612 3 MHz Filter/Amplifier Card

Flat or Linear Pulse Low-pass Filters

• LP4F & LP4P 4-Pole, 4-Zero Low-Pass Filter
• LP6F & LP6P 4-Pole, 6-Zero Low-Pass Filter
• LP8F & LP8P 8-Pole, 8-Zero Low-Pass Filter
• HP4F 4-Pole, 4-Zero Flat High-Pass Filter

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High Performance Signal Conditioning for Confined Spaces

• SCB-16FA-IEPE: 16-Channel IEPE/Voltage Filter/Amplifier
• SCB-32CC-100 μA: 32-Channel High Stability Current Source for RTD, Thermistor or Silicon Diode Temperature Measurement

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Programmable Switch Matrix Systems

• 464kC Solid State Matrix System
• 4164 64x64 Switch Matrix System

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Precision CompactRIO & CompactDAQ Signal Conditioning Modules

• Precision C Series Signal Conditioning Modules Brochure
• PFI-9102 Bridge Conditioner
• PFI-9302 Charge Conditioner
• PFI-9452 Dynamic Strain Conditioner
• PFI-9602 Anti-Aliasing Amplifier/Filter
• PFI-9608 8-Channel Programmable Filter

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Product Specifications Archive

Application Notes, Papers and Presentations - Requires Adobe Reader (PDF)

Application Notes:

• Aircraft Survivability and Vulnerability (AN-1)
• Signal Conditioning for the NASA Vibro-Acoustic Test Facility Plum Brook Station (AN-2)
• Wind Tunnels - Signal Conditioning at the Transonic Dynamic Tunnel (TDT) (AN-3)
• Advanced Turbine Research (AN-4)
• Signal Conditioning for Rocket Engine Flow Measurements (AN-5)
• Signal Conditioning for Gas Turbine Engine Testing (AN-6)
• Signal Conditioning for Rocket Engine Testing (AN-7)
• Satellite Test Cell Switch Systems (AN-8)

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Technical Notes:

• Measuring Dynamic Strain on Gas Turbine Blades (TN-1)
• Measuring High Temperature Static Strain (TN-2)
• Platform Noise Measurements on Submarines and Surface Ships in High EMI Environments (TN-3)
• Signal Conditioning for Exhaust System Measurements (TN-4)

White Papers:

• Anti-Aliasing Filters Reduce Errors in Data Acquisition
• Balanced Constant Current™ Excitation for RTD Sensor Measurements
• NIST Traceable Testing at the Press of a Button
• Signal Conditioning Perspectives on Pyroshock Measurement Systems
• Taking a Gas Turbine out for a Spin
• Feel the Heat—Signal conditioning for high-temperature gas turbine engine tests (As published in Aerospace Testing International)
• LDTEDS: A Method for Long Distance Communication to Smart Transducers with TEDS
• Balanced Constant Current Excitation for Dynamic Strain Measurements

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Presentations and Videos

• Filtering for Dynamic Signals, Part 1 Seminar Video
• Filtering for Dynamic Signals, Part 2 Seminar Video
• 28000 GUI and Ethernet Seminar Video
• 28000 Factory Acceptance Test (FAT) Seminar Video
• Ground Loop Problems with Measurement Systems and How to Avoid Them

PFI News and Events

PFI Company e-News

The PFI Company e-News is designed to keep our customers informed with new product releases, new application and technical notes, events and news relating to the signal conditioning industry. You can subscribe to the E-news below. We will not spam, rent or sell your email address. Subscribe today!

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Recent e-News Letters

• Satellite Test Cell Switch Systems Application Note
• Signal Conditioning for Rocket Engine Testing Filter Application Note
• Precision Releases New Anti-aliasing Filter Application Note
• Precision Piezoelectric Charge and IEPE Signal Conditioner
• Precision Thermocouple Conditioner with Enhanced Accuracy
• Universal Module for Bridge, Strain, Vibration and Pressure Measurements
• Precision RTD Conditioner with Balanced Excitation
• Precision Filters Announces 8-Channel Filter to Its cDAQ & cRIO Family

PFI News Archive

Trade Show and Event Schedules

Come visit our booth, see the Precision Filters’ products for test measurements in action and discuss with our engineers how PFI products can improve your test applications.

 

91st Shock and Vibration Symposium
Orlando, FL
April 18-22, 2021

Recent Press Releases

• Precision Filters Introduces Compact 2-Channel Filter/Amplifier
• Precision Filters, Inc., Selected by NASA Langley to Provide Instrumentation Upgrade for the Transonic Dynamics Tunnel
• Rotating Machinery Conditioning Suite
• Precision Filters Receives ISO 9001:2015 Certification

PFI News Archive

Precision Filters, Inc. Overview

About Precision Filters, Inc.

• Precision Filters’ History
• How to Contact PFI
• Employment
• PFI’s ISO 9001:2015 Certificate
• Government Contracts
• Policy Statement on Compliance with U.S. Export Control

Sales Reps/ Applications Engineers

• United States Customers
• International Customers

Precision Filters, Inc. at a Glance

Since 1975, Precision Filters, Inc. has been a global provider of instrumentation for test measurements. You can rely on a single source for signal conditioning and switching—a complete range of instrumentation—products optimized to work together to provide high performance at reasonable cost.

Customer Service

Precision Filters, Inc.

240 Cherry Street

Ithaca, New York 14850-5099

Technical Support Phone:

607-277-3550 ext.2

E-mail:

Customer Service:
customer-service@pfinc.com

General Information:

pfinfo@pfinc.com

Sales Inquiries:

sales@pfinc.com

Fax:

607-277-4466