Thermal Conductivity Bars

Comprises four metal bars held firmly together in parallel with a plastic rigid carrier. The metals are copper, aluminium, brass and steel. Each bar has a Liquid Crystal temperature sensitive strip attached and its conductivity value marked on the back of the carrier. The liquid crystal strips have 8 boxes and change to a green colour at about 40°C. The tops of the bars are designed to be touched with a finger tip to reinforce the colour observations.