Whirling Hygrometer / Psychrometer

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Description

● Designed to measure the Dry bulb temperature or the ambient temperature that is usually thought of as air temperature and Wet bulb temperature, the temperature as read by a thermometer that is covered in water- soaked fabric over which air is passed.
● Comprises of two thermometers mounted inside a revolving frame with a handle of which one bulb is dry and the other having a wick immersed into a water reservoir attached to the end of the frame.
● Thermometer scales read from -5 to + 50 x 0.5°C.
(Supplied with humidity and temeprature conversion chart).