Wet Bulb Thermometer

This Wet Bulb Thermometer is a traditional way of measuring humidity. The simple unit is made up of two glass thermometers- which are very easy to read. One is attached to a small synthetic water container and a wick- and the relative humidity is calculated by reading both thermometers- then using a chart that is provided with the thermometer to calculate the humidity. It may seem like there are many new and more efficient ways to calculate humidity than this- but despite technological advances- this is still one of the most accurate and reliable ways to get a good reading. With a little practice- you will soon find that it is actually very easy to operate. Dimensions: 310mm long ( top to bottom ) x 75mm wide x 34mm deep