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

Suspension: Swivelable holder bow and hook

For extended outings

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

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