| quantity |
Measurable property of a substance or phenomenon |
|---|---|
| air-velocity |
Rate of air movement as distance over time |
| apparent-energy |
Integral of |
| 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 |
| 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 |
Reactive power or imaginary power |
| speed |
Distance per unit time |
| wind-speed |
Wind flow speed |
| stateOfCharge |
State of charge (SoC) of an electric |
| 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 |