Comprising two thermometers tubes with double scale graduation, mounted on a weather-proof case with shade. Scales graduated -10 to 50 × 1°C and 20 to 120 × 2°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 from the humidity and temperature conversion chart included, relative humidity can be worked out. Mounted on wooden base.
Research Lab
Physics Lab Equipment's
Biology Lab Equipment
© Copyright 2025
