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Sling Psychrometer

Article No. 15186

Bacharach Sling Psychrometer C Scale

The Sling Psychrometer is an easy and affordable way to measure relative humidity levels quickly and accurately. The uniquely compact Bacharach Sling Psychrometer accurately determines percent relative humidity without the necessity of consulting complex tables.

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$130.00 excl. taxes & shipping cost


  • Designed for portability (7.5" long x 1" diameter)
  • Slide rule construction quickly converts temperature to relative humidity
  • Built-in water reservoir holds sufficient water for several hours of testing
  • Thin bulb design gives fast thermal response
  • Thermometers constructed of shock-resistant glass; stems have deep-etched numerals and 1° scale divisions for easy reading
  • Accurate to within ±5% R.H
  • Applications: Office, Laboratories, Medical, Manufacturing, School Athletics
  • There is no need to 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

Technical Attributes

  • Data
    Accuracy±1 °F
    Size (H x W x D)7.5 x 1 x 1 in. (19.0 x 2.5 x 2.5 cm)
    Operating Conditions25 to 120°F (or -5 to +50°C), 10 to 100% RH (non-condensing), 1 ATM ±10%
    Warranty1 year


US Weather Bureau Psychrometric Tables.
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