The EHA series is a line of EverGen™ energy harvesters engineered by Marlow Industries. It offers an efficient solution for powering wireless sensors and other microdevices, eliminating the need for battery-powered units.
The generator can convert small degrees of temperature difference into electrical DC power. The series comes in various models, with a diameter of 1/2" or 3/8". It can use either liquid or solid as heat source.