发明申请
US20070171955A1 Cooled mirror dew-point hygrometer 审中-公开
冷却镜露点湿度计

Cooled mirror dew-point hygrometer
摘要:
A cooled mirror dew-point hygrometer includes a thermoelectric cooling element, mirror, light-emitting unit, light-receiving unit, temperature detector, dew-point increase detector, and control unit. The control unit forcibly supplies a current to the thermoelectric cooling element in a direction reverse to a positive direction when the dew-point increase detector detects a rise in dew point.
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