Unisearch Limited

Mstislav S Nossar

Malcolm Chaikin

Apparatus for measuring and controlling the relative humidity of exhaust air from an industrial drier in which exhaust air is passed across a dry bulb and a wet bulb thermocouple from which a voltage is derived providing a measure of the relative humidity in the air in the sample. This voltage is used to control the amount of exhaust air from the drier to atmosphere. The wet bulb thermocouple is cyclically dipped in a bowl of water under the control of a timer system of the voltage to control the amount of exhaust air discharged until the wet bulb thermocouple is equilibrated with the exhaust air sampled after dipping.

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Peakhurst, Australia

Mstislav S Nossar