Components and Options

Components, Options, and Accessories for our LX4000 Computerized Polygraph System. Information about Printers, Calibrators, Cuffs, and Electrodes is available.

Examiner Headset System

Model 76880H

Price: $ 395.00

The Lafayette Instrument Examiner Headset is meant to be used in conjunction with the Examinee Masseter Headset to facilitate question recording and two-way communication. The professional quality headset is specially designed to work with LXSoftware. It is ideally suited for Examiners who have to work in noisy environments.


7ft EDA Cable with Electrodes

Model 76640A-5L

Price: $ 180.00

The EDA Assembly has been designed for maximum efficiency and serviceability. It includes an EDA Cable Plus 2 Reusable Snap Electrodes (76642SP & 76643A-5L) and 50 Repositionable/Disposable Electrodes (76642R). For use with LX4000B/LX5000.


10ft PLE/PPG Clip

Model 76604A-5L

Price: $ 500.00

The Photoelectric Plethysmograph (PLE/PPG), is a finger sensor used to measure the rapidly occurring relative changes in pulse blood volume.


PLE/PPG Adaptor

Model 76604ADP

Price: $ 280.00

This PLE/PPG Adaptor is required for using the 76604A-5L with an LX4000 System.


Blue Color-Coded Pneumatic Pneumo Assembly

Model 76513A-B

Price: $ 125.00

Pneumatic Pneumo Assembly for use with our LX5000, LX4000A, and LX4000B Computerized Polygraph Systems.


Silver Color-Coded Pneumatic Pneumo Assembly

Model 76513A-T

Price: $ 125.00

Pneumatic Pneumo Assembly for use with our LX5000, LX4000A, and LX4000B Computerized Polygraph Systems.


Vital Parts Kit for LX5000 and New LX4000 Systems

Model 76713A-5

Price: $ 650.00

Vital Parts Kit that includes Pump Bulb Assembly, Blue Pneumo, Sliver Pneumo, Standard Arm Cuff, Package of Disposable EDA Sensors, Snap-On EDA Sensors, and an EDA Cable.


O-Ring Kit for LX4000/LX5000

Model 76748O

Price: $ 30.00

Includes 20 O-Ring seals for quick disconnects and a tool for installation. For use with LX4000/LX5000 systems only.


Computerized Polygraph Functionality Check Device

Model 76740LX

Price: $ 450.00

This device is used in conjunction with a Lafayette computerized polygraph and LXSoftware to check the functionality of EDA, Cardio and Pneumograph components. Lafayette Instrument Company recommends performing a Functionality Check when the examiner suspects a functionality problem.


Forearm Kovacic Arm Cuff (18-26 cm)

Model 76531

Price: $ 115.00

Our patented Kovacic style cuff eliminates problems associated with a loosely wrapped cuff. Designed for use on individuals who are smaller.


Rakes Deluxe Forearm Cuff (19-34 cm)

Model 76531BR

Price: $ 325.00

Rakes Deluxe Forearm Cuff consists of two components: a forearm cuff and a stand. The design allows for the elimination or reduction of pressure naturally applied on the cuff by the arm's weight.


Cradle for Forearm Cuff

Model 5-278-0040

Price: $ 225.00

Plastic cradle that provides added comfort, stability, and minimizes the pressure on the forearm cardio cuff that could cause movement artifacts.


Wrist Kovacic Arm Cuff (10-14 cm)

Model 76532

Price: $ 95.00

Our patented Kovacic style cuff eliminates problems associated with a loosely wrapped cuff. Designed to be used on the wrist or arms that are 10-14cm in circumference.


Large Arm Kovacic Arm Cuff (32-60 cm)

Model 76534

Price: $ 115.00

Our patented Kovacic style cuff eliminates problems associated with a loosely wrapped cuff. Designed for individuals with large upper arms.


USB HD Webcam

Model LX-WEBCAM

Price: $ 195.00

Enjoy full HD (1920x1080) video resolution this tripod-ready webcam that fits laptops, LCD or monitors.






Disposable Ag/AgCl EDA Electrodes with Cable

Model 76640SO

Price: $ 120.00

This Electrode lowers resistance between subject and electrode giving more accurate signals; Sold with requisite cable.


Disposable Solid Gel EDA Electrodes (50 pack)

Model 76642R

Price: $ 35.00

Disposable Solid Gel EDA Electrodes (50 pack) with an improved shelf life.


EDA Snap Finger Electrode Set with cable

Model 76640SP

Price: $ 120.00

Set of Two EDA Snap-On Electrodes with Electrode Cable.


EDA Snap Finger Electrode

Model 76642SP

Price: $ 45.00

Set of Two EDA Snap-On Electrodes.


Replacement Cable and Plug

Model 76643SO

Price: $ 85.00

Replacement Cable and Plug only to be used with Model 76640SO with 1/4 inch plug - Model 76643SO



USB Connection Cable

Model 3-952-019

Price: $ 20.00

Replacement USB Connection Cable for Lafayette Polygraph LX4000, LX5000, and LX6 Instruments.



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