How do you find the relative humidity in a wet and dry bulb thermometer?
4. To determine relative humidity subtract the lower “wet bulb” temperature from the higher “dry bulb” temperature to determine the difference and compare to the chart.
What instrument measures relative humidity?
hygrometer
Which instrument uses wet bulb?
A psychrometer is a type of hygrometer, a device that measures relative humidity. A hygrometer uses two thermometers, one dry (dry bulb) and one covered in a fabric saturated with distilled water (wet bulb).
What is the instrument consists of a dry bulb and wet bulb thermometer?
psychrometer
What is another name for the dry bulb temperature?
The dry-bulb temperature (DBT) is the temperature of air measured by a thermometer freely exposed to the air, but shielded from radiation and moisture. DBT is the temperature that is usually thought of as air temperature, and it is the true thermodynamic temperature.
What are the uses of wet and dry bulb thermometer?
An instrument to measure the dew point, relative humidity, and vapor pressure. The dry-bulb thermometer shows the current temperature, whereas the wet-bulb thermometer shows a somewhat lower temperature, the result of the latent heat of evaporation, which depends on the relative humidity of the air.
What is another name for the dry bulb?
The Dry Bulb temperature, usually referred to as air temperature, is the air property that is most common used.
What is the use of dry bulb thermometer?
dry-bulb thermometer A thermometer that registers normal air temperature. It may be used in conjunction with a wet-bulb thermometer: the relative humidity can be found by measuring the depression of temperature registered by the wet bulb. See also hygrometer and psychrometer.
What is a wet bulb thermometer used for?
A wet bulb thermometer measures the extent of cooling that happens as moisture dries from a surface (evaporative cooling). The wet bulb temperature is always lower than the dry bulb temperature except when there is 100% relative humidity. bulb temperature is more accurate measurement of product temperature.
What is saturated air temperature?
A state of saturation exists when the air is holding the maximum amount of water vapor possible at the existing temperature and pressure. When the dew point temperature and air temperature are equal, the air is said to be saturated. Dew point temperature is NEVER GREATER than the air temperature.