Each numeric value exchanged between your control device and Realer must specify a measurement unit (MU). This ensures that the platform can correctly interpret, validate, convert, and display the value across dashboards, rules, and APIs.
Realer provides a catalogue of measurement units used across industrial, scientific, and IoT applications. Your device can use any of the units listed below when processing sensor values, actuator states, counters, or computed metrics.
Absorbed dose
Name
Symbol
Code
gray
Gy
gray:0
Absorbed dose rate
Name
Symbol
Code
gray per second
Gy/s
gray_per_second:0
Acceleration
Name
Symbol
Code
metre per second squared
m·s⁻²
metre_per_second_squared:0
Amount concentration
Name
Symbol
Code
mole per cubic metre
m⁻³·mol
mole_per_cubic_metre:0
Amount of substance
Name
Symbol
Code
picomole
pmol
mole:-12
nanomole
nmol
mole:-9
micromole
µmol
mole:-6
millimole
mmol
mole:-3
mole
mol
mole:0
kilomole
kmol
mole:3
Angular acceleration
Name
Symbol
Code
radian per second squared
rad/s²
radian_per_second_squared:0
Angular momentum
Name
Symbol
Code
kilogram metre squared per second
kg·m²·s⁻¹
kilogram_metre_squared_per_second:0
joule second
J·s
joule_second:0
Angular velocity
Name
Symbol
Code
radian per second
rad/s
radian_per_second:0
Area
Name
Symbol
Code
square metre
m²
square_metre:0
hectare
ha
hectare:0
barn
b
barn:0
Capacitance
Name
Symbol
Code
farad
F
farad:0
Catalytic activity
Name
Symbol
Code
katal
kat
katal:0
katal per cubic metre
kat/m³
katal_per_cubic_metre:0
enzyme unit
U
enzyme_unit:0
Celsius temperature
Name
Symbol
Code
degree celsius
°C
degree_celsius:0
Colour depth
Name
Symbol
Code
bit per pixel
bit/px
bit_per_pixel:0
kilobit per pixel
kbit/px
bit_per_pixel:3
megabit per pixel
Mbit/px
bit_per_pixel:6
Current density
Name
Symbol
Code
ampere per square metre
m⁻²·A
ampere_per_square_metre:0
Data
Name
Symbol
Code
bit
bit
bit:0
kilobit
kbit
bit:3
megabit
Mbit
bit:6
gigabit
Gbit
bit:9
byte
B
byte:0
kilobyte
kB
byte:3
megabyte
MB
byte:6
gigabyte
GB
byte:9
kibibit
Kibit
bit_bin:10
mebibit
Mibit
bit_bin:20
gibibit
Gibit
bit_bin:30
kibibyte
KiB
byte_bin:10
mebibyte
MiB
byte_bin:20
gibibyte
GiB
byte_bin:30
Data rate
Name
Symbol
Code
bit per second
bit/s
bit_per_second:0
kilobit per second
kbit/s
bit_per_second:3
megabit per second
Mbit/s
bit_per_second:6
gigabit per second
Gbit/s
bit_per_second:9
byte per second
B/s
byte_per_second:0
kilobyte per second
kB/s
byte_per_second:3
megabyte per second
MB/s
byte_per_second:6
gigabyte per second
GB/s
byte_per_second:9
Density
Name
Symbol
Code
kilogram per cubic metre
kg·m⁻³
kilogram_per_cubic_metre:0
Dimensionless
Name
Symbol
Code
percentage
%
percentage:0
count
#
count:0
unitless
1
unitless:0
Dose equivalent
Name
Symbol
Code
sievert
Sv
sievert:0
Dynamic viscosity
Name
Symbol
Code
pascal second
Pa·s
pascal_second:0
Electric charge
Name
Symbol
Code
coulomb
C
coulomb:0
ampere hour
A·h
ampere_hour:0
milliampere hour
mA·h
milliampere_hour:0
Electric charge density
Name
Symbol
Code
coulomb per cubic metre
C/m³
coulomb_per_cubic_metre:0
Electric current
Name
Symbol
Code
microampere
µA
ampere:-6
milliampere
mA
ampere:-3
ampere
A
ampere:0
kiloampere
kA
ampere:3
Electric field strength
Name
Symbol
Code
volt per metre
V/m
volt_per_metre:0
Electrical conductance
Name
Symbol
Code
siemens
S
siemens:0
Electrical resistance
Name
Symbol
Code
ohm
Ω
ohm:0
Energy
Name
Symbol
Code
joule
J
joule:0
electronvolt
eV
electronvolt:0
kilowatt hour
kW·h
kilowatt_hour:0
Energy density
Name
Symbol
Code
joule per cubic metre
J/m³
joule_per_cubic_metre:0
Entropy
Name
Symbol
Code
joule per kelvin
J/K
joule_per_kelvin:0
Exposure to x- and γ-rays
Name
Symbol
Code
coulomb per kilogram
C/kg
coulomb_per_kilogram:0
Force
Name
Symbol
Code
newton
N
newton:0
Frequency
Name
Symbol
Code
hertz
Hz
hertz:0
beats per minute
bpm
beats_per_minute:0
Fuel efficiency
Name
Symbol
Code
litre per 100 kilometres
L/100 km
litre_per_100_kilometres:0
Heat flux density
Name
Symbol
Code
watt per square metre
W/m²
watt_per_square_metre:0
Humidity
Name
Symbol
Code
relative humidity
%
relative_humidity:0
absolute humidity
Aliases:
gram per cubic metre
g/m³
absolute_humidity:0
Illuminance
Name
Symbol
Code
lux
lx
lux:0
Inductance
Name
Symbol
Code
henry
H
henry:0
Length
Name
Symbol
Code
nanometre
nm
metre:-9
micrometre
µm
metre:-6
millimetre
mm
metre:-3
centimetre
cm
metre:-2
metre
m
metre:0
kilometre
km
metre:3
astronomical unit
au
astronomical_unit:0
ångström
Aliases:
angstrom
Å
ångström:0
nautical mile
nmi
nautical_mile:0
parsec
pc
parsec:0
light year
ly
light_year:0
Logarithmic ratio
Name
Symbol
Code
neper
Np
neper:0
bel
B
bel:0
decibel
dB
decibel:0
Luminance
Name
Symbol
Code
candela per square metre
m⁻²·cd
candela_per_square_metre:0
Luminous efficacy
Name
Symbol
Code
lumen per watt
lm·W⁻¹
lumen_per_watt:0
Luminous energy
Name
Symbol
Code
lumen second
lm·s
lumen_second:0
Luminous flux
Name
Symbol
Code
lumen
lm
lumen:0
Luminous intensity
Name
Symbol
Code
candela
cd
candela:0
Magnetic field strength
Name
Symbol
Code
ampere per metre
m⁻¹·A
ampere_per_metre:0
Magnetic flux
Name
Symbol
Code
weber
Wb
weber:0
Magnetic flux density
Name
Symbol
Code
tesla
T
tesla:0
Mass
Name
Symbol
Code
microgram
µg
kilogram:-9
milligram
mg
kilogram:-6
gram
g
kilogram:-3
kilogram
kg
kilogram:0
tonne
t
tonne:0
dalton
Da
dalton:0
Molar energy
Name
Symbol
Code
joule per mole
J/mol
joule_per_mole:0
Molar entropy
Name
Symbol
Code
joule per mole kelvin
J/(mol·K
joule_per_mole_kelvin:0
Moment of force
Name
Symbol
Code
newton metre
N·m
newton_metre:0
Momentum
Name
Symbol
Code
kilogram metre per second
kg·m·s⁻¹
kilogram_metre_per_second:0
Optical refractive power
Name
Symbol
Code
dioptre
D
dioptre:0
Permeability
Name
Symbol
Code
henry per metre
H/m
henry_per_metre:0
Permittivity
Name
Symbol
Code
farad per metre
F/m
farad_per_metre:0
Picture element
Name
Symbol
Code
pixel
px
pixel:0
kilopixel
kpx
pixel:3
megapixel
Mpx
pixel:6
Pixel density
Name
Symbol
Code
megapixel per square centimetre
Mpx/cm²
megapixel_per_square_centimetre:0
Pixel resolution
Name
Symbol
Code
pixel per metre
px/m
pixel_per_metre:0
kilopixel per metre
kpx/m
pixel_per_metre:3
megapixel per metre
Mpx/m
pixel_per_metre:6
Plane angle
Name
Symbol
Code
radian
rad
radian:0
degree
°
degree:0
minute of arc
Aliases:
minute arc
′
arcminute:0
second of arc
Aliases:
second arc
″
arcsecond:0
gradian
Aliases:
gon
gon
gradian:0
Potential difference
Name
Symbol
Code
volt
V
volt:0
Power
Name
Symbol
Code
watt
W
watt:0
Pressure
Name
Symbol
Code
pascal
Pa
pascal:0
bar
bar
bar:0
millimetre of mercury
mmHg
millimetre_of_mercury:0
Radiance
Name
Symbol
Code
watt per square metre steradian
W/(m²·sr)
watt_per_square_metre_steradian:0
Radiant intensity
Name
Symbol
Code
watt per steradian
W/sr
watt_per_steradian:0
Radionuclide activity
Name
Symbol
Code
becquerel
Bq
becquerel:0
Solid angle
Name
Symbol
Code
steradian
sr
steradian:0
Specific energy
Name
Symbol
Code
joule per kilogram
J/kg
joule_per_kilogram:0
Specific entropy
Name
Symbol
Code
joule per kilogram kelvin
J/(kg·K)
joule_per_kilogram_kelvin:0
Specific volume
Name
Symbol
Code
cubic metre per kilogram
kg⁻¹·m³
cubic_metre_per_kilogram:0
Surface charge density
Name
Symbol
Code
coulomb per square metre
C/m²
coulomb_per_square_metre:0
Surface density
Name
Symbol
Code
kilogram per square metre
kg·m⁻²
kilogram_per_square_metre:0
Surface tension
Name
Symbol
Code
newton per metre
N/m
newton_per_metre:0
Thermal conductivity
Name
Symbol
Code
watt per metre kelvin
W/(m·K)
watt_per_metre_kelvin:0
Thermal insulance
Name
Symbol
Code
R-value
R
r_value:0
tog
tog
tog:0
Thermodynamic temperature
Name
Symbol
Code
kelvin
K
kelvin:0
Time
Name
Symbol
Code
picosecond
ps
second:-12
nanosecond
ns
second:-9
microsecond
µs
second:-6
millisecond
ms
second:-3
second
s
second:0
minute
min
minute:0
hour
h
hour:0
day
d
day:0
Velocity
Name
Symbol
Code
metre per second
m/s
metre_per_second:0
kilometre per hour
km/h
kilometre_per_hour:0
knot
kn
knot:0
Volume
Name
Symbol
Code
cubic metre
m³
cubic_metre:0
millilitre
mL
litre:-3
centilitre
cL
litre:-2
decilitre
dL
litre:-1
litre
L
litre:0
hectolitre
hL
litre:2
megalitre
ML
litre:6
Volumetric flow rate
Name
Symbol
Code
cubic metre per second
m³·s⁻¹
cubic_metre_per_second:0
Wavenumber
Name
Symbol
Code
reciprocal metre
m⁻¹
reciprocal_metre:0
Can't find the measurement unit you need? Contact us to request it.