Sell A New Type of Sling Psychrometer

A New Type of Sling Psychrometer You May Also Be Interested In: psychrometer sling sling psychrometer telescopes thermometers
Sling Psychrometer
The uniquely compact Sling Psychrometer accurately determines percent relative humidity without the necessity of consulting complex tables.
There is no wet the wick each time a reading is taken; the Sling Psychrometer contains a slide rule calculator which correlates wet and dry bulb thermometer indications for direct reading of relative humidity. When not in use, the thermometer case telescopes into the handle for protection.
Professional protect film makes the scale wearable and clear.
Duel range (high & low temperature) scales for better resplution.
Thermometers telescope into handle for protection when not in use, not easy to be broken.
High identify dues to the color of wet & dry bulb thermometers.
A promotional item of leather sheath makes carry easier.
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