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Brannan 13/222/3 | Mason's Wet & Dry Bulb Hygrometer | -5 to +50 °C
Part Number : 13/222/3
Brannan 13/222/3 is a Mason's hygrometer, a simple form of psychrometer for measuring the water vapour in the air as relative humidity (%RH). Two thermometers reading -5 to +50 °C/°F in 1 degree divisions show the wet and dry bulb temperatures, and the supplied table converts the difference between them into a %RH value. It comes with chart and instructions in an individual box, and a replacement reservoir pot is available as 13/087/0.
Key features
- Wet and dry bulb psychrometer
- Measures humidity as %RH
- Accuracy ±1 °C/°F
- Polypropylene case, polyethylene reservoir
- Supplied with conversion chart and instructions
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