4D Animal Cell Model In Stock Now

Pictured beaker not included. 

Test the conductivity of liquids quickly and easily. Simply plug the meter into a standard 110-V outlet and place both electrodes in the liquid under test. The meter's bulb lights brightly for strong conductors, dimly for weak conductors, and not at all for nonconductors. Bulb is large and bright enough to be seen by entire class. Meter includes a clamp on the back for attaching to a support stand. Includes instructions and 40-W appliance bulb.