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List of state standards

State standard of alternating current force unit from 1 to 100 mA in a range of frequencies from 20 Hz to 100 kHz

The standard reproduces, stores and transfers the force unit size of a variable electric current from 1 to 100 mA in a range of frequencies from 20 Hz to 100 kHz.
Государственный эталон единицы силы переменного тока от 1 до 100 мА в диапазоне частот от 20Гц до 100кГц
The state standard is applied for:
  • Periodic researches for the purpose of definition of safety of its metrological parameters;
  • To transfer of the unit size to subordinated measuring system;
  • Researches for the purpose of its perfection.
Metrological characteristics:
  • Reproduction range of variable electric current force 1 ÷ 100 mA in a range of frequencies from 20 Hz to 100 kHz;
  • Reproduction of unit with an average quadratic deviation of measurements results (S ∑), in a range from 1 to 100 мА does not exceed 5•10-6 ÷ 1•10-4 at 10 independent supervisions;
  • Not excluded regular error does not exceed 2•10-5 ÷ 3•10-4 depending on current and frequency force values;
  • The expanded uncertainty makes 2.5•10-5 ÷ 4•10-4.


Location: Reference Center, Astana

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