Hygrometer, Wet & Dry Bulb, Mason’s
Catalogue No: 1140240/2
Comprising two thermometer tubes with double scale graduation, mounted on a weather-proof case with shade. Dual Scales graduated -10 to 50 x 1degree C and 20 to 120 x 2degree F. One thermometer kept dry and other has bulb covered with muslin or wick, dipped into a water reservoir, which keeps it wet during long periods of non-use. Comparing the reading of wet and dry thermometer with the humidity and temperature conversion chart included, relative humidity can be worked out.
* Mounted on plastic base
Pack of (Pcs): 1
Comprising two thermometer tubes with double scale graduation, mounted on a weather-proof case with shade. Dual Scales graduated -10 to 50 x 1degree C and 20 to 120 x 2degree F. One thermometer kept dry and other has bulb covered with muslin or wick, dipped into a water reservoir, which keeps it wet during long periods of non-use. Comparing the reading of wet and dry thermometer with the humidity and temperature conversion chart included, relative humidity can be worked out.
* Mounted on plastic base
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