Sling Psychrometer, also known as a whirling hygrometer and used fast and accurate humidity readings. The relative humidity range is 1% to 97% RH and has a temperature range of -5–50°C (20–120°F).

The handheld device is constructed of a hard plastic unit that protects two encased red-spirit filled thermometers. Readings are taken and compared from the wet and dry bulb thermometers to those indicated on the included humidity chart to determine relative humidity. The psychrometer is equipped with a water reservoir, eliminating the need for continually re-wetting the wick. The meter’s handle folds for easy storage in the included carrying case.

Features:

Takes fast and accurate humidity readings
Handheld and easy to use

Included Items:

Sling Psychrometer
Humidity chart
Carrying case with strap

Specifications

Attribute name	Attribute value
Humidity Range	1%– 97%RH
Temperature Range	-5–50°C (20–120°F)
Product Dimensions	9 x 2 x 0.63in (227 x 51 x 16 mm) WxDxH
Estimated Shipping Weight	2.0lb (0.91kg)

Product Q&A

Q: How are longer specimens extracted and the piston returned?

Specimens longer than 5in are extracted by repositioning the Adapter Ring after maximum piston travel, and the spring-loaded piston automatically returns to the start position when the release valve is opened.