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What is Hair Hygrometer: Structure and Function about?

This document discusses two types of humidity measurement devices: the hair hygrometer and electronic hygrometer. The hair hygrometer uses the property of hair expanding and contracting with humidity changes. It has a drum that records the movement of a hair bundle on a chart to indicate humidity levels. The electronic hygrometer uses a polymer membrane sensor whose capacitance changes with moisture absorption. It can measure humidity from 0-100% with an accuracy of 1% or less from 0-90% RH. Sources of erro

Author

Anusha Desai

Language

EN