quantity – Project Haystack

quantity

Measurable property of a substance or phenomenon

    air-velocity

Rate of air movement as distance over time

    apparent-energy

Integral of apparent-power over time

    apparent-power

Apparent power is perceived magnitude of power due to the combination of active and reactive power

    cloudage

Percentage of sky obscured by clouds

    concentration

Abundance of substance in the total volume of a mixture

        airQuality

Concentration of contaminants in the air

            ch2o-concentration

Concentration of formaldehyde (CH₂O) in the air

            co-concentration

Concentration of carbon monoxide (CO) in the air

            co2-concentration

Concentration of carbon dioxide (CO₂) in the air

            nh3-concentration

Concentration of ammonia (NH₃) in the air

            no2-concentration

Concentration of nitrogen dioxide (NO₂) in the air

            o3-concentration

Concentration of ozone (O₃) in the air

            pm01-concentration

Concentration of particulate matter 0.1 in the air

            pm10-concentration

Concentration of particulate matter 10 in the air

            pm25-concentration

Concentration of particulate matter 2.5 in the air

            tvoc-concentration

Concentration of total volatile organic compounds (TVOC) in the air

    current-angle

AC current phase angle

    current-imbalance

Current phase imbalance in a multiphase AC system

    current-thd

Total harmonic current distortion

    daytime

Time between sunrise and sunset

    dewPoint

Dew point temperature at which water vapor will form dew

    direction

Compass direction measured in degrees

        wind-direction

Compass direction from which wind originates

    elec-current

Electrical current

        current-magnitude

Magnitude of electrical current

    elec-volt

Electrical voltage, potential difference

        volt-magnitude

Magnitude of electrical voltage

    emission

Amount of a substance discharged into the air

        ch4-emission

Greenhouse gas emission of methane (CH₄) into the air

        co2-emission

Greenhouse gas emission of carbon dioxide (CO₂) into the air

        hfc-emission

Greenhouse gas emission of hydrofluorocarbons into the air

        n2o-emission

Greenhouse gas emission of nitrous oxide (N₂O) into the air

        nf3-emission

Greenhouse gas emission of nitrogen trifluoride (NF₃) into the air

        pfc-emission

Greenhouse gas emission of perfluorocarbons into the air

        sf6-emission

Greenhouse gas emission of sulphur hexafluoride (SF₆) into the air

    energy

Measure of ability to do work

        elec-energy

Electrical energy consumed

            active-energy

Integral of active-power over time

    enthalpy

Total heat content of a system

    feelsLike

Apparent temperature perceived when considering humidity, wind chill, and heat index

    flow

Measure of volumetric flow of fluid

    freq

Occurrences per unit time

        ac-freq

Frequency of alternating current

    humidity

Percent relative humidity

    illuminance

Luminous flux hitting the inside of the sphere at a specific point

    irradiance

Energy received at a surface by area

        solar-irradiance

Energy received on surface of the earth from the sun

    level

Range from 0% to 100%

        light-level

Sensed or controlled dimming level of electrical lighting

    luminance

Energy of light in a given direction

    luminous-flux

Total perceived light in all directions

    luminous-intensity

Perceived light in a particular direction per unit solid angle

    pf

Electrical power factor

    power

Energy consumed per unit time

        elec-power

Electrical energy consumed per unit time

            active-power

Active power or real power

                elec-demand

Active power averaged over a rolling interval

    precipitation

Amount of atmospheric water vapor fallen including rain, sleet, snow, and hail

    pressure

Measure of force applied

        atmospheric-pressure

Barometric pressure exerted by the weight of the atmosphere

    reactive-energy

Integral of reactive-power over time

    reactive-power

Reactive power or imaginary power

    speed

Distance per unit time

        wind-speed

Wind flow speed

    temp

Temperature - measure of hot and cold

        air-temp

Dry bulb temperature

    vfd-freq

VFD frequency measured in "Hz"

    vfd-speed

VFD speed measured in "%"

    visibility

Distance at which light can be clearly discerned

    volt-angle

AC voltage phase angle

    volt-imbalance

AC voltage phase imbalance

    volume

Three dimensional space occupied by a substance

    weatherCond

Enumeration of weather conditions

    wetBulb

Wet bulb air temperature