OPC Foundation
  • Documents
  • NodeSets
  • Search
6.4 Engineering Units Recommendations

This specification makes use of 0:EngineeringUnits and 0:EUInformation for describing the units of measurement. For this 0:EUInformation applies the UN/CEFACT “Codes for Units of Measurement” and maps the codes to OPC UA: http://www.opcfoundation.org/UA/EngineeringUnits/UNECE/UNECE_to_OPCUA.csv. In the context of this specification only engineering units according to Table 12 should be used.

Table 12 – Engineering Units Recommendations

UnitId

DisplayName

Description

UNECE Code

5066068

mm

Millimetre

MMT

5067858

m

Metre

MTR

4804168

in

Inch

INH

4607828

ft

Foot

FOT

4933453

kg

Kilogram

KGM

4674125

g

Gram

GRM

4997714

lb

Pound

LBR

5197402

oz

Ounze

ONZ

5002322

l

Litre

LTR

5065812

ml

Millilitre

MLT

5067857

m³

Cubic metre

MTQ

4410705

cm³

Cubic centimetre

CMQ

4408652

°C

Degree Celsius

CEL

4604232

°F

Degree Fahrenheit

FAH

4342098

bar

Bar (pressure unit)

BAR

Please report errors or issues with the site to webmaster.

Copyright © 2025 - OPC Foundation