WHIRLING HYGROMETER SIIN – 116A:
Red Spirit filled thermometers.
Employs the wet and dry bulb principle to determine the relative humidity of the atmosphere.
A guide for Relative Humidity (RH) determination is supplied with each instrument and the dew point can accurately be obtained using the Dew Point calculator(Optional)
Range: (-) 5°C to(+) 50°C or (23°F to 122°F)
SLING HYGROMETER Bacharach 0012-7043
Red Spirit filled thermometers
Designed to determine the dew point and relative humidity.
Self contained instrument with an inbuilt slide rule for the calculation of %RH and dew point.
Dual range (high & low temp.) scales for better resolution.
Range : (-) 5°C to(+) 50°C (23°F to 122°F)
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