Veetron manufactures Thermopile for Scientific and Laboratory Use. Veetron is an ISO 9001:2000 certified company. Thermopile for Scientific and Laboratory Use consists of 24 pairs of bismuth and antimony bars which is connected in series and arranged in the form of a rectangular pile with the junctions equally divided between the two ends. Thermopile for Scientific and Laboratory Use is mounted in a cylindrical housing which is provided with 4 mm socket terminals mounted with a rod on a heavy metal base. A removable brass nickel led funnel is also provided to fit over the ends of the pile.