State Scientific Center of the Russian Federation

20.01.2026

Вторник

14 : 01 : 30, 123

State Scientific Center of the Russian Federation

ГЭТ 137-83 (НИЛ 2550)

Standard name:

  • ГЭТ 137-83 State primary special standard of the unit of water flow velocity

Type of measurement:

  • Measurements of flow parameters, consumption, level, and volume of substances

Structural division: name НИО\НИЛ:

  • Problematic research laboratory of standards of speed and flow of air and water flows, thermal power and thermal energy

Guardian Scientist:

  • Popov Konstantin Valentinovich

Year of creation:

  • 1983

Year of re-confirmation:

  • 1983

Operating principle:

  • Not specified

Composition of the standard:

The operation of the standard is ensured by a set of measuring instruments included in its composition:

  • Hydrodynamic measuring unit GDS-80/20;
  • Differential Pitot tube ТД-3

Verification diagram:

  • Heads the state verification scheme for measuring instruments for water flow velocity in the range of 0.005 ÷ 25 m/s

Scope of application:

  • Hydrology, oceanography;
  • Shipbuilding;
  • Energy, etc.

Results of applying the standard:

Not specified

The total number of measuring instruments traceable to ГЭТ 137-83:

Not specified

Ensuring the uniformity of measurements, participation in the CIPM MRA program:

No comparisons were conducted

Unique technical installations as part of the standard:

Not specified