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HYGROMETERS
A Hygrometer is the instrument that measures Humidity. The two main types of Hygrometers are Analog and Digital. Analog Hygrometers react mechanically to the ambient humidity and represent that value on a dial. Many high quality Analog Hygrometers use horse hair, which expands at a predictable rate when the humidity increases. Analog Hygrometers may have to be calibrated approximately every six months to maintain accuracy. Many Analog Hygrometers have an adjustable dial in the back, or inside, that can be moved +/- with a small screwdriver.
Digital Hygrometers use electric currents to measure the ambient humidity and require batteries. Conventional wisdom suggests that digital hygrometers tend to be more accurate than analog hygrometers becasue of factory calibration. Yet, not all digital hygrometers are adjustable. While we have yet to be able to scientifically verify whether or not the conventional wisdom is true, in our experience as retail Tobacconists, we have found that the digital hygrometers we have sold have a highter rate of customer satisfaction with respect to accuracy than many analog hygrometers.
Click on the link below for the Hygrometer Calibration FAQ.
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