Conductivity Of Solutions Apparatus, 1 Each

The Conductivity Of Solutions Apparatus by United Scientific is a 3V bulb-type tester that demonstrates the electrical properties of various liquids. A molded plastic lamp socket sits on a base with two binding posts for a wire cord, and the set comes with a bulb, a glass tumbler and an activity guide. Teachers use it to show which liquids conduct electricity in introductory chemistry and physical science demonstrations.