Casella BS2842/66 UB 5821 5497 sling Psychrometer whirling hygrometer wet and dry thermometer untested in original case. This was my Grandads who was a building surveyor. Apparently, this scientific instrument measures wet and dry temperatures. It appears to be in good condition but it has not been tested by me. Made in England by Casella London. Length of case 23cm. Width of case 7.5cm. Width of case plus handle 16cm approximately. Please see photos for more details and contact me for more info.
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During opening hours as listed above.
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The Casella Sling Psychrometer Whirling Hygrometer is a traditional analog instrument designed for measuring humidity levels accurately. Handcrafted in the United Kingdom by Casella, this hygrometer is perfect for use in industrial, laboratory, hotel, hospital, and office settings. The whirling design allows for precise readings, making it a reliable tool for monitoring and controlling humidity levels in various environments.
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Owning it is not just owning a tool but a piece of scientific history. The box shows signs of wear and scratches, consistent with age. Box Details: Original mahogany storage box with secure hinges and latch.
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Compact Sling Psychrometer Whirling Hygrometer Humidity Brannan - 13/606/2 Whirling Hygrometers, also known as sling psychrometers, employ the "wet" and "dry" bulb principle to determine %RH. They are designed to be rotated, by hand, to provide adequate and consistent ventilation of the bulbs. The Compact Whirling Hygrometer instrument incorporates a 'slide rule' type calculator to determine the % RH. The body of the instrument slides away into the handle providing complete protection when not in use. Fitted with environmentally friendly LO-Tox-filled glass tubers.
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Fahrenheit(°F). Wet Bulb:- -5°C TO 50°C in Centigrade and 20°F To 120°F in Fahrenheit. Dry Bulb:- -5°C TO 50°C in Centigrade and 20°F To 120°F in Fahrenheit. Type Fahrenheit (°F). Type Centigrade (°C).
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Wet Bulb:- -5°C TO 50°C in Centigrade and 20°F To 120°F in Fahrenheit. 20°F To 120°F. Dry Bulb:- -5°C TO 50°C in Centigrade and 20°F To 120°F in Fahrenheit. We will be Happy to help! Images are only for Illustrative purpose.
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