HUDSON, Mass. — The rackmount DewMaster precision hygrometer with stainless steel X3F sensor from Edgetech Instruments Inc. features a 19-inch rackmount configuration with its corrosion resistant, ...

HUDSON, Mass. — The battery portable, fast-responding, PPM2 hygrometer from Edgetech Instruments uses a fundamental principle and a diffusion barrier to measure trace water vapor in gases from ...

Purchasing a high-quality hygrometer can be crucial if you wish to control and monitor the moisture levels in your home, greenhouse, or for the optimal storage of your cigars. Ensuring the right level ...

Key concepts Weather Humidity Biology Chemistry Introduction Does your hair go crazy during "April showers," when the weather turns damp? If so, have you wondered why this is? Strands of hair can ...

Hair hygrometer: An instrument that measures the relative humidity of air by means of the variation in length of a strand of human hair, and expresses the value as a percentage.

IN connexion with Dr. J. Grant's letter 1, on paper hygrometers, some experiments made some months ago on an experimental paper-operated indicating hygrometer may be of interest. The instrument, in ...