ГЭТ 34-2020 (НИО 241)
Standard name:
- ГЭТ 34-2020 State primary standard of the unit of temperature in the range from 0 to 3200 °C
Type of measurement:
- Thermophysical and temperature measurements
Structural division: name НИО\НИЛ:
- Research Department of Standards and Scientific Research in Thermodynamics
Guardian Scientist:
- Fuksov Viktor Markovich
Year of creation:
- 1992
Year of re-confirmation:
- 2020
Operating principle:
Not specified
Composition of the standard:
Complex of measuring instruments:
- A set of three platinum resistance thermometers for a range from 0 to 660.323 °C;
- A set of three platinum resistance thermometers for a range from 419.527 to 961.78 °C;
- Temperature reproducing units for: the triple point of water, the melting point of gallium, the freezing point of indium, tin, zinc, aluminum, and silver;
- A set of equipment for measuring the resistance of thermometers;
- Absolute cryogenic radiometer with a positioning device and a software control system;
- A laser with an acousto-optic tunneling filter with tunable wavelength, bandwidth, and adjustable power;
- A stabilized helium-neon gas laser with a positioning device;
- A spectral brightness comparator for thermal emitters, including a double monochromator, a mirror focusing optical system, a silicon photodiode, a trap detector, a femtoammeter, and a positioning device;
- Horizontal furnace for reproducing temperatures in the range from 961.78°C to 1084.62°C;
- High-temperature horizontal furnace for reproducing temperatures in the range from 1084.62°C to 3200°C;
- Ampules with silver, copper, eutectic alloys: cobalt-carbon (Co-C), platinum-carbon (Pt-C), rhenium-carbon (Re-C), tungsten carbide-carbon (WC-C)
Verification diagram:
- Heads the state verification scheme for temperature measuring instruments
Scope of application:
- Electronics and instrument-making industry;
- Chemical and metallurgical industry;
- Oil refining industry;
- Medicine;
- Fundamental sciences;
- Military-industrial and nuclear energy complexes, etc.
Results of applying the standard:
Not specified
The total number of measuring instruments traceable to ГЭТ 34-2020:
Not specified
Ensuring the uniformity of measurements, participation in the CIPM MRA program:
126
Unique technical installations as part of the standard:
Not specified