Brannan Sling Psychrometer (Whirling Hygrometer) Pouches Suspension: Swivelable holder bow and

Suspension: Swivelable holder bow and hook

moisture and abrasion while providing an extra layer of protection in demanding environments

Suunto's professional compasses are trusted by a wide range of users needing precise directional data

along with dedicated spaces for pens

Durable Construction for Field Use

Brannan Sling Psychrometer (Whirling Hygrometer) Pouches Suspension: Swivelable holder bow andBrannan Sling Psychrometer (Whirling Hygrometer) The Brannan Sling Psychrometer (Whirling Hygrometer) is a manual instrument used to measure relative humidity using the wet and dry bulb principle. It is designed with a rotating handle that allows the thermometer bulbs to be whirled through the air, ensuring accurate and consistent airflow for reliable readings. The unit is filled with a spirit based liquid and is supplied as a complete kit in a