enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Thermo-hygrograph - Wikipedia

    en.wikipedia.org/wiki/Thermo-hygrograph

    A thermo-hygrograph. A thermo-hygrograph or hygrothermograph is a chart recorder that measures and records both temperature and humidity (or dew point).Similar devices that record only one parameter are a thermograph for temperature and hygrograph for humidity.

  3. Psychrometrics - Wikipedia

    en.wikipedia.org/wiki/Psychrometrics

    A wet bulb temperature taken with air moving at about 1–2 m/s is referred to as a screen temperature, whereas a temperature taken with air moving about 3.5 m/s or more is referred to as sling temperature. A psychrometer is a device that includes both a dry-bulb and a wet-bulb thermometer.

  4. Hygrometer - Wikipedia

    en.wikipedia.org/wiki/Hygrometer

    A hygrometer is an instrument which measures the humidity of air or some other gas: that is, how much of it is water vapor. [1] Humidity measurement instruments usually rely on measurements of some other quantities such as temperature, pressure, mass, and mechanical or electrical changes in a substance as moisture is absorbed.

  5. Wet-bulb temperature - Wikipedia

    en.wikipedia.org/wiki/Wet-bulb_temperature

    The wet-bulb temperature is the lowest temperature that may be achieved by evaporative cooling of a water-wetted, ventilated surface.. By contrast, the dew point is the temperature to which the ambient air must be cooled to reach 100% relative humidity assuming there is no further evaporation into the air; it is the temperature where condensation (dew) and clouds would form.

  6. Humidity - Wikipedia

    en.wikipedia.org/wiki/Humidity

    In hot summer weather, a rise in relative humidity increases the apparent temperature to humans (and other animals) by hindering the evaporation of perspiration from the skin. For example, according to the heat index, a relative humidity of 75% at air temperature of 80.0 °F (26.7 °C) would feel like 83.6 ± 1.3 °F (28.7 ± 0.7 °C). [13] [14]

  7. Moisture meter - Wikipedia

    en.wikipedia.org/wiki/Moisture_meter

    The pad type moisture meter is non-invasive in nature and requires only surface contact with the wood to obtain a reading. [7] [8] The non-invasive meter creates a low-frequency electrical wave between the two pads and measures the electrical properties of the wood, similar to the invasive pin-type meter. [9]

  8. Telemetry - Wikipedia

    en.wikipedia.org/wiki/Telemetry

    These stations transmit parameters necessary for decision-making to a base station: air temperature and relative humidity, precipitation and leaf wetness (for disease prediction models), solar radiation and wind speed (to calculate evapotranspiration), water deficit stress (WDS) leaf sensors and soil moisture (crucial to irrigation decisions).

  9. Mass flow sensor - Wikipedia

    en.wikipedia.org/wiki/Mass_flow_sensor

    The intake air temperature sensor is visible outside, the film-grid is inside. A hot wire mass airflow sensor determines the mass of air flowing into the engine's air intake system. The theory of operation of the hot wire mass airflow sensor is similar to that of the hot wire anemometer (which determines air velocity).