THERMOPILE |
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Mounted on a Mettalic Stand ,Comprising 112 copper constantan couples in series and arranged in the
form of a rectangle with sensitive area of 18 x 22 mm. With a metal cone to increase directional
selectivity. The inner surface of the cone is polished. With a pair of 4 mm sockets, on stand. The e.m.f.
of the pile is of the order of 4mV per °C difference between the hot and cold junctions. |
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