These hygrometers work well both indoors and outdoors. Dew Point Hygrometers feature polished metal mirrors where moisture condenses, but these devices need extreme conditions to monitor humidity ...
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A hygrometer is an affordable HVAC-approved tool that can save your home from condensation, mold, and high-energy billsDigital hygrometers use sensors to detect changes in resistance or capacitance when humidity levels change. Higher-end models may use a frosted mirror to monitor dew point temperature.' ...
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