BACHARACH® Compact Sling Psychrometer

A Built-In Slide Rule Lets You Quickly Figure Relative Humidity

The self-contained reservoir holds enough water for several hours of testing. The thin bulb design gives rapid thermal response.
Specifications: This compact psychrometer is easily carried in your pocket, vehicle or pack without fear of breaking. The 4-3/4" shock-resistant glass thermometers telescope in and out of a protective case which doubles as a sling handle and a psychrometric slide rule. Available in either Fahrenheit or Celsius scales with 1° graduations. One wick is included.