Semantics & Units

Semantic Type

The default semantic types available are;

Note

Custom semantic types can be created by Developers and are not listed here.

Note

When creating or updating Data Streams, use the Name to define the Semantic Type.

Semantic Type	Semantic Name
Acceleration	acceleration
Angle	angle
Angular Acceleration	angular_acceleration
Angular Velocity	angular_velocity
Area	area
Capacitance	capacitance
Compressibility	compressibility
Current	current
Data Rate	data_rate
Data Size	data_size
Density	density
Distance	distance
Pumpcard	pumpcard
Electric Charge	electric_charge
Energy	energy
Force	force
Frequency	frequency
Humidity	humidity
Illuminance	illuminance
Inductance	inductance
Latitude	latitude
Length	length
Linear Density	linear_density
Longitude	longitude
Luminance	luminance
Luminosity	luminosity
Luminous Flux	luminous_flux
Luminous Intensity	luminous_intensity
Magnetic Flux	magnetic_flux
Magnetic Induction	magnetic_induction
Mass	mass
Mass Flow Rate	mass_flow_rate
None	none
Permeability	permeability
Power	power
Pressure	pressure
Relative Humidity	relative_humidity
Resistance	resistance
Sound Pressure	sound_pressure
State	state
Temperature	temperature
Thrust	thrust
Time	time
TimeSpan	timespan
Torque	torque
Velocity	velocity
Viscosity	viscosity
Voltage	voltage
Volume	volume
Volume Flow Rate	volume_flow_rate

Units

The default units available are;

Note

Custom units can be created by Developers and are not listed here.

Note

When creating or updating Data Streams, use the Name to define the Unit.

Acceleration

Unit Title	Unit Name	Unit Symbol
Centimetre per Second Squared	centimetre_per_second_squared	cm/s²
G-Force	g_force	g
Metre per Second Squared	metre_per_second_squared	m/s²

Angle

Unit Title	Unit Name	Unit Symbol
Degree of Arc	degree_of_arc	°
Minute of Arc	minute_of_arc
Radian	radian	rad
Second of Arc	second_of_arc	'
Turn	turn	rev

Angular Acceleration

Unit Title	Unit Name	Unit Symbol
Radian per Second Squared	radian_per_second_squared	rad/s²

Angular Velocity

Unit Title	Unit Name	Unit Symbol
Degree per Second	degree_per_second	°/s
Radian per Second	radian_per_second	rad/s
Revolution per Minute	revolution_per_minute	rpm
Revolution per Second	revolution_per_second	rps

Area

Unit Title	Unit Name	Unit Symbol
Acre	acre	ac
Hectare	hectare	ha
Square Centimetre	square_centimetre	cm²
Square Foot	square_foot	ft²
Square Inch	square_inch	in²
Square Kilometre	square_kilometre	km²
Square Metre	square_metre	m²
Square Millimetre	square_millimetre	mm²

Capacitance

Unit Title	Unit Name	Unit Symbol
Farad	farad	F
Microfarad	microfarad	μF
Millifarad	millifarad	mF
Nanofarad	nanofarad	nF
Picofarad	picofarad	pF

Compressibility

Unit Title	Unit Name	Unit Symbol
per pound per square inch	per_psi	/psi
per kilopascal	per_kPa	/kPa

Current

Unit Title	Unit Name	Unit Symbol
Ampere	ampere	A
Microampere	microampere	μA
Milliampere	milliampere	mA

Data Rate

Unit Title	Unit Name	Unit Symbol
Bit per Second	bit_per_second	bps
Byte per Second	byte_per_second	B/s
Exbibit per Second	exbibit_per_second	Eibit/s
Exbibyte per Second	exbibyte_per_second	EiB/s
Gibibit per Second	gibibit_per_second	Gibit/s
Gibibyte per Second	gibibyte_per_second	GiB/s
Kibibit per Second	kibibit_per_second	Kibit/s
Kibibyte per Second	kibibyte_per_second	KiB/s
Mebibit per Second	mebibit_per_second	Mibit/s
Mebibyte per Second	mebibyte_per_second	MiB/s
Tebibit per Second	tebibit_per_second	Tibit/s
Tebibyte per Second	tebibyte_per_second	TiB/s
Yobibit per Second	yobibit_per_second	Yibit/s
Yobibyte per Second	yobibyte_per_second	YiB/s
Zebibit per Second	zebibit_per_second	Zibit/s
Zebibyte per Second	zebibyte_per_second	ZiB/s

Data Size

Unit Title	Unit Name	Unit Symbol
Bit	bit	Bit
Byte	byte	Byte
Exbibit	exbibit	Eibit
Exbibyte	exbibyte	EiB
Gibibit	gibibit	Gibit
Gibibyte	gibibyte	GiB
Kibibit	kibibit	Kibit
Kibibyte	kibibyte	KiB
Mebibit	mebibit	Mibit
Mebibyte	mebibyte	MiB
Tebibit	tebibit	Tibit
Tebibyte	tebibyte	TiB
Yobibit	yobibit	Yibit
Yobibyte	yobibyte	YiB
Zebibit	zebibit	Zibit
Zebibyte	zebibyte	ZiB

Density

Unit Title	Unit Name	Unit Symbol
Gram per Cubic Metre	gram_per_cubic_metre	g/m³
Gram per Cubic Centimeter	gram_per_cubic_centimeter	g/cc
Kilogram per Cubic Metre	kilogram_per_cubic_metre	kg/m³
pound per cubic foot	pound_per_cubic_foot	lb/ft3
pound per gallon	pound_per_gallon	lb/gal
degree API	degree_api	°API

Distance

Unit Title	Unit Name	Unit Symbol
Astronomical Unit	astronomical_unit	au
Centimetre	centimetre	cm
Foot	foot	ft
Inch	inch	in
Kilometre	kilometre	km
Metre	metre	m
Micrometre	micrometre	μm
Mile	mile	mi
Millimetre	millimetre	mm
Nanometre	nanometre	nm
Nautical Mile	nautical_mile	nmi

Electric Charge

Unit Title	Unit Name	Unit Symbol
Ampere Hour	ampere_hour	A·h
Coulomb	coulomb	C

Energy

Unit Title	Unit Name	Unit Symbol
Electronvolt	electronvolt	eV
Gigajoule	gigajoule	GJ
Joule	joule	J
Kilojoule	kilojoule	kJ
Kilowatt Hour	kilowatt_hour	kWh
Megaelectronvolt	megaelectronvolt	MeV
Megajoule	megajoule	MJ

Force

Unit Title	Unit Name	Unit Symbol
Newton	newton	N
Ounce Force	ounce_force	oz
Pound	pound	lbf
Ton	ton	ton

Frequency

Unit Title	Unit Name	Unit Symbol
Gigahertz	gigahertz	GHz
Hertz	hertz	Hz
Kilohertz	kilohertz	kHz
Megahertz	megahertz	MHz

Humidity

Unit Title	Unit Name	Unit Symbol
Gram per Cubic Metre	gram_per_cubic_metre	g/m³
Kilogram per Cubic Metre	kilogram_per_cubic_metre	kg/m³

Illuminance

Unit Title	Unit Name	Unit Symbol
Footcandle	footcandle	fc
Lux	lux	lx

Inductance

Unit Title	Unit Name	Unit Symbol
Henry	henry	H
Microhenry	microhenry	μH
Millihenry	millihenry	mH

Latitude

Unit Title	Unit Name	Unit Symbol
Degree of Arc	degree_of_arc	°
Minute of Arc	minute_of_arc
Radian	radian	rad
Second of Arc	second_of_arc	'
Turn	turn	rev

Length

Unit Title	Unit Name	Unit Symbol
Astronomical Unit	astronomical_unit	au
Centimetre	centimetre	cm
Foot	foot	ft
Inch	inch	in
Kilometre	kilometre	km
Metre	metre	m
Micrometre	micrometre	μm
Mile	mile	mi
Millimetre	millimetre	mm
Nanometre	nanometre	nm
Nautical Mile	nautical_mile	nmi

Linear Density

Unit Title	Unit Name	Unit Symbol
Pound per foot	pound_per_foot	lb/ft
Kilogram per meter	kilogram_per_meter	kg/m

Longitude

Unit Title	Unit Name	Unit Symbol
Degree of Arc	degree_of_arc	°
Minute of Arc	minute_of_arc
Radian	radian	rad
Second of Arc	second_of_arc	'
Turn	turn	rev

Luminance

Unit Title	Unit Name	Unit Symbol
Candela per Square Metre	candela_per_square_metre	cd/m²

Luminosity

Unit Title	Unit Name	Unit Symbol
Gigawatt	gigawatt	GW
Horsepower	horsepower	hp
Kilowatt	kilowatt	kW
Kilowatt Hour per Year	kilowatt_hour_per_year	kWh/yr
Megawatt	megawatt	MW
Microwatt	microwatt	μW
Milliwatt	milliwatt	mW
Watt	watt	W

Luminous Flux

Unit Title	Unit Name	Unit Symbol
Lumen	lumen	lm

Luminous Intensity

Unit Title	Unit Name	Unit Symbol
Candela	candela	cd

Magnetic Flux

Unit Title	Unit Name	Unit Symbol
Maxwell	maxwell	Mx
Weber	weber	Wb

Magnetic Induction

Unit Title	Unit Name	Unit Symbol
Tesla	tesla	T

Mass

Unit Title	Unit Name	Unit Symbol
Gram	gram	g
Kilogram	kilogram	kg
Microgram	microgram	μg
Milligram	milligram	mg
Slug	slug	slug
Tonne	tonne	t

Mass Flow Rate

Unit Title	Unit Name	Unit Symbol
Gram per Hour	gram_per_hour	g/h
Gram per Second	gram_per_second	g/s
Kilogram per Hour	kilogram_per_hour	kg/h
Kilogram per Second	kilogram_per_second	kg/s

Permeability

Unit Title	Unit Name	Unit Symbol
MilliDarcy	millidarcy	md
Darcy	darcy	d

Power

Unit Title	Unit Name	Unit Symbol
Gigawatt	gigawatt	GW
Horsepower	horsepower	hp
Kilowatt	kilowatt	kW
Kilowatt Hour per Year	kilowatt_hour_per_year	kWh/yr
Megawatt	megawatt	MW
Microwatt	microwatt	μW
Milliwatt	milliwatt	mW
Watt	watt	W

Pressure

Unit Title	Unit Name	Unit Symbol
Bar	bar	bar
Inches of Mercury	inches_of_mercury	inHg
Inches of Water	inches_of_water	inH2O
Kilopascal	kilopascal	kPa
Kilopascal Gauge	kilopascal_gauge	kPag
Millibar	millibar	mbar
Millimetres of Mercury	millimetres_of_mercury	mmHg
Milimetre of water	millimetre_of_water	mmH2O
Pascal	pascal	Pa
Pound per Square Inch	pound_per_square_inch	psi
Pound per Square Inch Gauge	pound_per_square_inch_gauge	psig

Relative Humidity

Unit Title	Unit Name	Unit Symbol
Percent	percent	%
Unity	unity

Resistance

Unit Title	Unit Name	Unit Symbol
Kiloohm	kiloohm	kΩ
Megaohm	megaohm	MΩ
Milliohm	milliohm	mΩ
Ohm	ohm	Ω

Sound Pressure

Unit Title	Unit Name	Unit Symbol
Bel	bel	B
Decibel	decibel	dB

State

Unit Title	Unit Name	Unit Symbol
Degree Celsius	degree_celsius	°C
Degree Fahrenheit	degree_fahrenheit	°F
Kelvin	kelvin	K

Temperature

Unit Title	Unit Name	Unit Symbol
Degree Celsius	degree_celsius	°C
Degree Fahrenheit	degree_fahrenheit	°F
Kelvin	kelvin	K

Thrust

Unit Title	Unit Name	Unit Symbol
Newton	newton	N
Ounce	ounce	ozf
Pound	pound	lbf
Ton	ton	ton

Time

Unit Title	Unit Name	Unit Symbol
DateTime	datetime
Day	day	d
Hour	hour	h
Microsecond	microsecond	μs
Millisecond	millisecond	ms
Minute	minute	min
Nanosecond	nanosecond	ns
Second	second	s
Year	year	yr

TimeSpan

Unit Title	Unit Name	Unit Symbol
DateTime	datetime
Day	day	d
Hour	hour	h
Microsecond	microsecond	μs
Millisecond	millisecond	ms
Minute	minute	min
Second	second	s
Year	year	yr

Torque

Unit Title	Unit Name	Unit Symbol
Newton Metre	newton_metre	N·m
Pound Foot	pound_foot	lbf ft

Velocity

Unit Title	Unit Name	Unit Symbol
Centimetre per Second	centimetre_per_second	cm/s
Feet per minute	feet_per_minute	ft/min
Kilometre per Hour	kilometre_per_hour	km/h
Kilometre per Second	kilometre_per_second	km/s
Knot	knot	kt
Metre per Hour	metre_per_hour	m/h
Metre per Second	metre_per_second	m/s
Mile per Hour	mile_per_hour	mi/h
Mile per Second	mile_per_second	mi/s
Strokes per minute	strokes_per_minute	SPM
Seconds per Stroke	seconds_per_stroke	sec/stk

Viscosity

Unit Title	Unit Name	Unit Symbol
CentiPoise	centipoise	cP
Pascal second	pascal_second	Pa·s

Voltage

Unit Title	Unit Name	Unit Symbol
Kilovolt	kilovolt	kV
Megavolt	megavolt	MV
Microvolt	microvolt	μV
Millivolt	millivolt	mV
Volt	volt	V

Volume

Unit Title	Unit Name	Unit Symbol
Barrel	barrel	bbl
Cubic Centimetre	cubic_centimetre	cm³
Cubic Foot	cubic_foot	ft³
Cubic Inch	cubic_inch	in³
Cubic Metre	cubic_metre	m³
Fluid Ounce	fluid_ounce	fl oz
Gallon	gallon	gal
Litre	litre	L
Millilitre	millilitre	mL
Standard Cubic Metre	standard_cubic_metre	sm³
Thousand Cubic Metre	thousand_cubic_meter	e³m³

Volume Flow Rate

Unit Title	Unit Name	Unit Symbol
Ampere Hour	ampere_hour	A·h
Barrel per Day	barrel_per_day	bpd
Barrel per minute	barrel_per_minute	bpm
Barrel per second	barrel_per_second	bps
Cubic Feet per Hour	cubic_feet_per_hour	ft3/hr
Cubic Feet per minute	cubic_feet_per_minute	ft3/min
Cubic Metre per Hour	cubic_metre_per_hour	m3/hr
Cubic Metre per Minute	cubic_metre_per_minute	m3/min
Cubic feet per second	cubic_feet_per_second	ft3/sec
Cubic metre per second	cubic_metre_per_second	m3/sec
Feet per minute	feet_per_minute	ft/min
Gallon per Hour	gallon_per_hour	Gal/hr
Gallon per Minute	gallon_per_minute	gpm
Gallon per second	gallon_per_second	Gal/sec
Liter per Minute	litre_per_minute	L/min
Litre per Hour	litre_per_hour	L/h
Litre per Second	litre_per_second	L/s
Milimetre of water	millimetre_of_water	mmH2O
Millilitre per Hour	millilitre_per_hour	mL/h
Millilitre per Second	millilitre_per_second	mL/s
Seconds per Stroke	seconds_per_stroke	sec/stk
Standard Cubic Foot per Day	standard_cubic_foot_per_day	scf/d
Standard Cubic Meter per Hour	std_cubic_meter_per_hour	sM3/h
Strokes per minute	strokes_per_minute	SPM
Thousand Cubic Metre	thousand_cubic_meter	e³m³
Thousand Cubic Metre per Day	thousand_cubic_meter_per_day	e³m³/d