def

quantity

Measurable property of a substance or phenomenon

meta

supertypes

marker

Marker labels a dict with typing information

subtypes

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