Polygraph, Lie Detector

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Photoelectric Plethysmograph for LX5000-SW

The Photoelectric Plethysmograph (PLE) is a finger sensor used to measure the rapidly occurring relative changes in pulse blood volume. This device utilizes a photosensitive cell to measure light reflected or passed through the tissue segment where the monitor is placed. The light source used produces a light in the infrared range (7000 to 9000 Angstroms). The light in this frequency is scattered … [Read more...]

LX4000-SW_max

Computerized Polygraph LX4000-SW

Model LX4000-SW The LX4000-SW is the best and most popular computerized polygraph (lie detector) in the world capable of simultaneously recording changes in several physiological variables while the subject is asked a series of questions pertaining to a specific issue under investigation. The charts generated during the polygraph examination are interpreted by a polygraph examiner. … [Read more...]

LX5000-SW_max

Computerized Polygraph LX5000-SW

Model LX5000-SW The Computerized Polygraph LX5000-SW is the world's most advanced polygraph (lie detector) designed to record, store, and analyze physiological changes during a polygraph examination. It combines conventional polygraph procedure with a sophisticated state-of-the-art computer. With the basic system a total of nine channels can be recorded at one time. … [Read more...]

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Polygraph Exam Portable Eavesdropping Protection Package

Model AA87170 The Polygraph Exam Portable Eavesdropping Protection Package is a complete, compact, portable eavesdropping protection system designed for offsite applications. It offers the ability to quickly secure an environment against human and electronic eavesdropping, as well as advanced signal recovery techniques. … [Read more...]

AA87169_max

Polygraph Exam Soundmasker

Model AA87169 A quiet environment free of distractions is essential for polygraph testing. According to the APA Standards of Practice “conditions under which polygraph testing occurs are required to be free from distractions that would interfere with the ability of the examinee to appropriately focus during the examination process”. … [Read more...]

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EDA Finger Electrode Set

Model 76640DP The EDA Finger Electrode Set for registering electrodermal activity (EDA) has been designed for maximum efficiency and serviceability. The 76640DP consists of a cable and two finger plates made of stainless steel and fitted with Velcro tape. … [Read more...]

76513A-B_max

Pneumo Chest Assembly (Blue)

Model 76513A-B The Pneumo Chest Assembly (Blue) is a pressure sensor for measuring respiration rate of a subject during a polygraph examination. Used with the LX5000-SW polygraph. It is 1.9 cm in diameter, 33 cm extended and 20 cm relaxed. There is a 116.8 cm beaded chain and 213.4 cm of rubber tubing. … [Read more...]

76513A-T_max

Pneumo Chest Assembly (Titanium)

Model 76513A-T Pneumo Chest Assembly (Titanium) is a pressure sensor for measuring respiration rate of a subject during a polygraph examination. Used with the LX5000-SW polygraph. It is 1.9 cm in diameter, 33 cm extended and 20 cm relaxed. There is a 116.8 cm beaded chain and 213.4 cm of rubber tubing. … [Read more...]

76506LX_max

Pump Bulb Assembly

Model 76506LX The Pump Bulb Assembly is a high quality sphygmomanometer assembly for the LX4000-SW polygraph (with the old LX4000 DAS), which integrates into a single mechanism the following components: a pump bulb with bleed valve, plastic locking pinch clip, rubber tubing and a bronze quick connect. … [Read more...]

76530A-5_max

Standard Kovacic Arm Cuff

Model 76530A-5 Lafayette Instrument's patented standard arm cuff for the LX5000-SW and LX4000-SW (with the new LX4000A DAS) computerized polygraphs eliminates problems associated with a loosely wrapped cuff and ensures that the cuff does not shift away from the brachial artery during application. … [Read more...]

76879A_max

Activity Sensor Arm Pads

Model 76879A The Activity Sensor Arm Pads are utilized with Lafayette Instrument Company’s computerized polygraphs and are designed to detect subtle, as well as gross movements of shoulders, forearms, and hands of the subject during a polygraph examination. … [Read more...]

76871FS_max

Activity Sensor Feet Pad

Model 76871FS The Activity Sensor Feet Pad is incased in metal instead of fabric pouches, for added durability. It is utilized to detect subtle, as well as gross movements of toes, feet, and legs of the subject during a polygraph test. The Activity Sensor Feet Pad is used with the Adjustable-Arm Subject’s Chair (Vinyl). … [Read more...]

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Activity Sensor Feet Pads

Model 76879F The Activity Sensor Feet Pads are utilized with Lafayette Instrument Company's computerized polygraphs and are designed to detect subtle, as well as gross movements of feet and toes of the subject during a polygraph examination. The sensors are placed on the floor and the examinee's feet set upon them. … [Read more...]

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Activity Sensor Pad

Model 76879S Used with Lafayette Instrument Company's polygraphs. Designed to detect subtle movements, as well as gross movements, of a subject during a polygraph examination. It allows the polygraph examiner to concentrate on administering the exam instead of trying to observe the subject's movement. … [Read more...]

76640A-5L_max

EDA Assembly for LX5000-SW

Model 76640A-5L The EDA Assembly for LX5000-SW  consists of the following components: EDA Cable for LX5000-SW, Disposable EDA Electrodes, model 76642D, and EDA Snap Finger Electrodes (set of two), model 76642SP. … [Read more...]

76535A-5_max

Finger Cuff

Model 76535A-5 This lightweight and portable polygraph finger cuff was designed to improve the examinee’s comfort during a polygraph examination by creating less pressure. Used as an alternative to the standard arm cuff, such as the Kovacic Arm Cuff, for measuring arterial blood pressure. … [Read more...]

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Fingerprint/Signature Scanner

Model LXSIGPRINT The Fingerprint/Signature Scanner is a high-quality, high-resolution Electronic Signature pad and integrated fingerprint sensor. It will capture and recognize signature and fingerprint imaging. Allows recording fingerprints of both polygraph examiners and subjects for identification purposes. … [Read more...]

76879HM_max

Masseter Headphone System

Model 76879HM The Masseter Headphone System (MHS) is designed to detect and record movements in the Masseter muscle of the mandibular region during the recording phase of a polygraph examination, sensing activities of the tongue, clenching of teeth, and other jaw-line actions. … [Read more...]

76604A-5L_max

Photoelectric Plethysmograph

Model 76604A-5L The Photoelectric Plethysmograph is a finger sensor used to measure the rapidly occurring relative changes in pulse blood volume. It utilizes a photosensitive cell to measure light reflected or passed through the tissue segment where the monitor is placed. … [Read more...]

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Sensor Storage Pouch

Model LX-1045 This black Sensor Storage Pouch has six pockets with Velcro (fabric hook-and-loop fasteners) latches to keep all of your computerized polygraph accessories protected and organized when you travel. … [Read more...]

LX-WEBCAM_max

USB Webcam with Focus and Microphone

Model LX-WEBCAM LX Operating Software allows a polygraph examiner to record (with sound) a polygraph session on a computer screen using an inexpensive digital camera (QuickCam Pro 4000 Logitech). Video recording is synchronized with a polygraph chart and the recording can be played back. … [Read more...]

LX-5000P_max

Carrying Pouch for LX5000

Model Model LX-5000P This black compact (emblazoned with a logo) “Lafayette Instrument LX5000” carrying pouch with a Velcro flap provides complete protection for the Data Acquisition System, model LX5000. Protects the Data Acquisition System (DAS) from scratches, impact, dust, other particles, etc. … [Read more...]

76640SO_max

Disposable EDA Electrodes

Model 76640SO This kit for measuring skin conductance includes a package of 100 Ag/AgCl EDA (Electrodermal Activity) disposable snap electrodes, model 76642D, and an electrode cable, model 76643SO, one end of which bifurcates into two cables each ending with snap connectors. … [Read more...]

76642D_max

Disposable EDA Electrodes

Model 76642D The 76642D consists of a package of 100 Ag/AgCl EDA (Electrodermal Activity) disposable snap electrodes (sensors) for measuring electrodermal activity (EDA) of subjects undergoing polygraph examination. These electrodes are pre-gelled, hypoallergenic, and latex free … [Read more...]

76640SP_max

EDA Cable with Snap Reusable Electrodes

Model 76640SP The Lafayette EDA Cable with Snap Reusable Electrodes has been designed for maximum efficiency and serviceability.The set consists of two stainless steel finger plates fitted with Velcro tape and one EDA Electrode Cable. … [Read more...]