Brannan 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 protective pouch, making it easy to transport and store.

Key Features: 

Precision Humidity Measurement: Accurately measures Relative Humidity (%RH) using a reliable whirling hygrometer for dependable readings.

Eco-Friendly Blue Spirit Filling: Features an environmentally friendly blue spirit filling, offering a safer alternative to traditional mercury-filled instruments.

Replacement Wicks Included: Supplied with two replacement wicks to help maintain consistent performance and extend the instrument's service life.

Complete Measurement Kit: Delivered in a durable carry case and includes a humidity calculator chart for convenient field use and quick result calculations.

Product Specifications

• Temperature Range: -5 to + 50C
• Divisions: 0.5C 
• Accuracy: +/-1C
• CE and RoHS/WEEE: N/A
• Weight and Dimensions:
  • 232mm x 82mm x 30mm - 206g (Net)
  • 242mm x 90mm x 31mm - 288g (Gross, incl. Pouch and Chart)

Product Inclusions

• 1 x Sling Psychrometer (Whirling Hygrometer)
• 1 x Carry Case
• 1 x Calculator Chart
• 2 x Replacement Wicks