Manufacturers and exporters of all types of scientific & laboratory instrument, Laboratory Glassware & Plastic-ware & Porcelain-ware, Medical & Surgical Equipment, Biological Models, Anatomical Models & Charts. Dealers enquires are solicited for the company
 

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THERMO-HYGROGRAPH
 
THERMO-HYGROGRAPH (1862)
Thermo-hygrograph is a precious, self –contained instrument that measures and records ambient temperature and relative humidity simultaneously on a double scale chart. This instrument is ideal for measurements in laboratories, computer room or agricultural areas. The Thermo-hygrograph employs an aged bimetal strip which distorts with changes in the temperature. This distortion is magnified through a lever system which moves a pen arm over the upper half of the 7 –inch high chart. The response is linear .Temperature is recorded over a 60°C or 110°C span. A specially treated bundle of human hair is used to measure relative humidity over the full range of 0 to 100%.

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