en

S

4 symbol

Terminological databases

Metroloogia terminibaas

ID 572870 Last modified 18.09.2026
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Domain metrologyunits of measurement
  • elektrijuhtivuse erinimetusega SI tuletatud ühiku nimetus/tähis
  • name/symbol of the SI derived unit with special name for electric conductance
siimens
Usage examples
  • Siemens, tähis S, on elektrijuhtivuse, reaktiivjuhtivuse ja näivjuhtivuse ühik Rahvusvahelises Ühikute Süsteemis (SI). IEC võttis siemensi kasutusele 1935. a ning 14. Kaalude ja Mõõtude Peakonverents kiitis 1971. a heaks siemensi lisamise tuletatud ühikuna. Ühik on nimetatud Ernst Werner von Siemensi järgi.
Good to know
  • Elektrijuhtivuse SI tuletatud ühik on määratletud ühikuvõrrandiga S ≔ 1/Ω, kus Ω on oom.
S symbol
Usage examples
  • 1 S = 1 Ω-1.
siemens
Usage examples
  • The siemens (symbol S) is the unit of electric conductance, electric susceptance, and electric admittance in the International System of Units (SI). The siemens was adopted by the IEC in 1935, and the 14th General Conference on Weights and Measures approved the addition of the siemens as a derived unit in 1971. The unit is named after Ernst Werner von Siemens.
Good to know
  • Coherent SI unit of conductance, defined by the unit equation S ≔ 1/Ω, where Ω is ohm.
S symbol
Usage examples
  • 1 S = 1 Ω-1.

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