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Equipment de 
high technology

Since its introduction in 2003, the Polygraph Pro Suite has been the product of input and collaboration between the Limestone Technologies team and polygraph examiners. We listen to our customers, so our system offers exceptional graphics quality within an easy-to-use software interface.

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ParagonX Acquisition System

High Retention USB

ParagonX uses High Retention USB which gives you 7.5X faster data transfer rate and 20X higher bandwidth.

Industry leading sampling rate

At 625 native samples per second, per channel, ParagonX has the highest sample rate of any polygraph instrument.

32 bit dual channel

With 32-bit dual channel and superior 5000mv optical isolation, ParagonX offers examiners twice the performance of other leading polygraph systems.

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polygraph software

Polygraph Pro software offers a user-friendly design where every feature has its place and purpose. We provide polygraph examiners with a range of time-saving features, all packaged in an easy-to-navigate Front End Management System. 

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PARAGON Acquisition System


The latest technology in biomedical polygraph instrumentation has arrived. Our new compact design using nickel plated brass alloy flush mount Lemo connectors provides examiners with precision instrumentation in a clean, professional design.

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