def

quantityOf

Associates quantity as measurement of a phenomenon

meta

supertypes

val

Data value type

    list

Ordered list of zero or more values

        association

Associations model ontological relationships between definitions

usedBy

ac-freq

Frequency of alternating current

active-power

Active power or real power

air-temp

Dry bulb temperature

airQuality

Measurement of contaminants in the air

apparent-power

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

atmospheric-pressure

Barometric pressure exerted by the weight of the atmosphere

cloudage

Percentage of sky obscurred by clouds

current-angle

AC current phase angle

current-imbalance

Current phase imbalance in a multiphase AC system

current-magnitude

Magnitude of electrical current

current-thd

Total harmonic current distortion

daytime

Time between sunrise and sunset

dewPoint

Dew point temperature at which water vapor will form dew

drive-freq

Motor frequency measured in "Hz"

drive-speed

Motor speed measured in "%"

elec-current

Electrical current

elec-energy

Electrical energy consumed

elec-power

Electrical energy consumed per unit time

elec-volt

Electrical voltage, potential difference

enable

Secondary on/off point of an equip especially used with a vfd

feelsLike

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

flow

Measure of volumetric flow of fluid

humidity

Percent relative humidity

illuminance

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

level

Fill level of a vessel containing a fluid where 0% is empty and 100% is filled

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

precipitation

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

pressure

Measure of force applied

reactive-power

Reactive power or imaginary power

run

Primary on/off point of an equip especially used with a vfd

solar-irradiance

Energy received on surface of the earth from the sun

temp

Temperature - measure of hot and cold

visibility

Distance at which light can be clearly discerned

volt-angle

AC voltage phase angle

volt-imbalance

AC voltage phase imbalance

volt-magnitude

Magnitude of electrical voltage

weatherCond

Enumeration of weather conditions

webBulb

Wet bulb air temperature

wind-direction

Compass direction from which wind originates

wind-speed

Wind flow speed