Which device is used to calculate the moisture in steam?

The device that is utilized to calculate the moisture content in steam is the calorimeter. This instrument measures the heat energy in steam, allowing for the determination of its quality, which includes the amount of moisture present. The calorimeter assesses the enthalpy or heat of vaporization of the steam, which can be related to its dryness fraction. By analyzing the heat content, one can infer how much of the steam is in a vapor state versus a liquid state, thus quantifying the moisture.

Hydrometers are used for measuring the specific gravity of liquids and are not applicable for assessing moisture in steam. Thermometers measure temperature, which does not provide direct information about moisture content. Manometers are used to measure pressure; they cannot determine moisture levels in steam either. Therefore, the calorimeter is the appropriate tool for this specific measurement in steam applications.