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Humidity and Temperature
Humidifiers and steam generators
Moisture can be introduced into the air by using either a steam generator or an ultrasonic humidifier.
A steam generator uses heat to create steam. The steam is then cooled to form a water-vapour, which can be introduced into the museum.
An ultrasonic humidifier uses a small crystal—vibrating at very high frequency—to smash liquid-water into tiny droplets. The droplets are small enough to be suspended in air as a cold vapour.
Both devices are remedial measures to adjust a dangerously dry environment.
NB. The water in humidifiers and steam generators needs to be topped up regularly. If this is not done, the steam generator or ultrasonic humidifier could be severely damaged.
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