Valsts valodas centra izstrādātie inženierzinātņu, tehnikas, rūpniecības un būvniecības un arhitektūras termini

Konteksts: [..] Uncertainty of measurement. The properties of the measuring instruments and of the other apparatus used to carry out tests Nos 5 to 10 and where applicable, 11 shall be such that the errors of measurement which can be attributed to them do not exceed in relative value: ± 0 74 % with unity power factor [] [..]
Avots: Council Directive 76/891/EEC of 4 November 1976 on the approximation of the laws of the Member States relating to electrical energy meters