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National standard of conductivity unit

 

Developed and operated since 2015

 

 

 

Standard composition:

 

  • Set of standard equipment for storage of inductance value within the range from 10-6 to 10 Gn at the frequency 1 kHz:
  • Set of thermostated inductance measures 10 mGn and 100 mGn;
  • Set of inductance measures 1482 series within the range from 10-6 to 10 Gn;
  • Set of standard equipment for transfer of inductance value within the range from 0.001 nGn to 99.99999 Gn in the frequency range from 0,01 Hz to 1 MHz: Precision LCR-meter 7600; precision RLC-bridge 1693;
  • Additional and auxiliary equipment.

Metrological characteristics:

  • Value range is from 1∙10-6 to 10 Gn at the frequency 1 kHz;
  • Non-excluded systematic error – no greater than 5∙10-5;
  • Random error – no greater than 1∙10-6;
  • Relative value of annual changes (non-stability (υo) of standard inductance measures during one year at the frequency 1 kHz no more than 1∙10-5;
  • Measurement uncertainty from 101 ppm;
  • Frequency range of inductance measures application from 40 Hz to 1 MHz;
  • Range of measured inductance from 0.001 nGn to 99.99999 Gn in the frequency range from 10 Hz to 1 MHz:

Sources of traceability:

  • Ukraine, SE "Ukrtestmetrstandard", State primary standard of the units of inductance and tangent of loss angle of the Ukraine DETU 08-09-09
  • USA, National Institute of Standards and Technologies (NIST)

Application field:

  • Atomic power engineering,
  • Energy,
  • Radioelectronic industry,
  • Machinery engineering;
  • Machine-tool construction,
  • Defectoscopy,
  • Radiocommunications,
  • Space navigation,
  • Scientific researches: 
  • Household video- and television equipment etc.

 

 

 

 

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