An easy to use tool for comparing the conductivity of different solutions, acids or salts. Simply place the probes in your solution and press the button to view results. The conductivity is provided at 10 levels. Green LED gives a quick visual comparison. Brass probes dia. 0.11" (3mm); length 2.1" (53mm) (without the meter). Total length meter and probes 5.5"(140mm). 12v Battery included.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.