BACHARACH Compact Sling Psychrometers

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. This Compact Sling Psychrometer is easily carried in your pocket, vehicle or pack without fear of breaking. The 43/4" 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. Replacement thermometers are available in either °F or °C. Replacement 10"L Wicks available in packages of 4.