en

second of arc

1

Terminological databases

Engineering, Manufacturing and Construction

Metroloogia terminibaas

ID 574082 Last modified 30.09.2026
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Domain metrologyunits of measurement
sekund preferred
nurgasekund
kaaresekund
''
second preferred
arcsecond
angular second
second of arc
''
  • tasanurga SI välise ühiku nimetus/tähis
  • non-SI unit for plane angle
sekund preferred
Usage examples
  • Sekund ehk nurgasekund või kaaresekund on tasanurga mõõtühik, mis on kasutusel väga väikeste nurkade mõõtmiseks, ja on kasutatav koos SI ühikutega.
nurgasekund
kaaresekund
'' symbol
Usage examples
  • 1'' = (1/60)' = (π/648 000) rad.
second preferred
Usage examples
  • A second (also called an arcsecond or second of arc) is a tiny unit used to measure very small angles, and is the non-SI unit accepted for use with the SI.
arcsecond
angular second
second of arc
'' symbol
Usage examples
  • 1'' = (1/60)' = (π/648 000) rad.

Metroloogia terminibaas

ID 575503 Last modified 13.09.2026
View dataset
View dataset
Domain metrologyunits of measurement
angular second preferred
second of arc variant
  • nurga SI väline mõõtühik
  • second of arc is a non-Si unit of angular measurement
nurgasekund
angular second preferred
second of arc variant

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