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MadLab MLP106: Lie Detector Electronic Kit

The Lie Detector works by measuring galvanic response. In other words, when a person lies, they tend to sweat. Perspiration has a high sodium content, so sweat is conductive. Dry skin has a resistance of ab... Read More

 
$13.50
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Overview

MadLab MLP106: Lie Detector Electronic Kit

Features

The Lie Detector works by measuring galvanic response. In other words, when a person lies, they tend to sweat. Perspiration has a high sodium content, so sweat is conductive. Dry skin has a resistance of about 1 million ohms, whereas the resistance of moist skin is reduced by a factor of ten or more.

A person holding the probe wires will change the voltage at the upper probe wire depending on their skin resistance. The skin resistance is in parallel with R2 and, because it is likely to be similar to or smaller than R2, the voltage at the probe wire will fall as skin resistance falls.

Product Details

General Information
Manufacturer
Madlabs
Part Number
MLP106
Product Type
DIY Kit

Product Details

General Information
Manufacturer
Madlabs
Part Number
MLP106
Product Type
DIY Kit

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MadLab MLP106: Lie Detector Electronic Kit
$13.50 Usually ships in 1-2 days