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| Fast, Easy, and Accurate |
Measure the conductivity of different solids and liquids with this indicator that is sensitive enough to detect the free H+ ions in water and register low conductivity for 70% ethyl alcohol. It responds to liquids in volumes as small as 0.1 mL. This model incorporates a long-lasting LED bulb, which will indicate a strong conductor by continuous blinking. In contrast, a weak conductor is indicated by a continuous dull red glow, while a non-conductor will not cause the LED to light in any way. The probes are gold plated to reduce corrosion and extend the life of the unit. Instructions and a Chemplate are included. One 9 V battery, required, is available separately.
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