Dew-point hygrometers typically consist of a polished metal mirror that is cooled at a constant pressure and constant vapour content until moisture just starts to condense on it. The temperature of the metal at which condensation begins is the dew point. A dew-point hygrometer was invented in 1751.
Brand: Shaw
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Brand: Shaw
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Rp.122,705,000
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Brand: Extech Instruments
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Brand: Extech Instruments
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Brand: Extech Instruments
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Brand: Extech Instruments
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Brand: Extech Instruments
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Rp.12,500,000
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