Sling Hygrometer

Alat ukur Kelembaban Udara

Range : -5°C to +50°C,
Having 2 red liquid thermometer, wet and dry
graduated every 1/2°,
Red Liquid
Automatic wick wetting.
Sensitive thermometers store.
Built-in slide rule scales for determining relative humidity.
Pocket-sized, 7-1/2″L, 1″ diameter

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