SI Digital Framework
CLASSIFICATION OF SERVICES
Version: 1.0 Beta , last update: 2024-11-14
Metrology Area: Thermometry KCDB ↗
TTL file : T.ttl
CHECKSUM:SHA-256 -
ALL
CURRENTLY ASSIGNED

T/T Temperature

T/T-1 Items for defining ITS-90
T/T-1.1 Primary fixed-point cells assigned
T/T-1.1.1 Cells for contact thermometry assigned
T/T-1.1.2 Cells for radiation thermometry assigned
T/T-1.2 Complete apparatus realizing fixed-points assigned
T/T-1.2.1 Apparatus for contact thermometry assigned
T/T-1.2.2 Apparatus for radiation thermometry assigned
T/T-1.3 Standard platinum resistance therm. (SPRTs) assigned
T/T-1.3.1 Capsule-type SPRTs assigned
T/T-1.3.2 Long-stem SPRTs including HTSPRTs assigned
T/T-1.4 Standard radiation thermometers assigned
T/T-1.4.1 Standard radiation thermometers assigned
T/T-2 Items for disseminating ITS-90 and PLTS 2000
T/T-2.1 Secondary fixed-point cells and apparatus assigned
T/T-2.1.1 Secondary fixed-points and apparatus for contact thermometry assigned
T/T-2.2 Resistance thermometers assigned
T/T-2.2.1 Rhodium-iron resistance thermometers assigned
T/T-2.2.2 Platinum resistance thermometers (PRTs) assigned
T/T-2.2.3 Thermistors and other resistive thermometers assigned
T/T-2.3 Thermocouples assigned
T/T-2.3.1 Noble-metal thermocouples assigned
T/T-2.3.2 Base-metal thermocouples assigned
T/T-2.3.3 Pure-metal thermocouples assigned
T/T-2.4 Liquid-in-glass thermometers assigned
T/T-2.4.1 Liquid-in-glass thermometers assigned
T/T-2.5 Radiation thermometry assigned
T/T-2.5.1 Secondary fixed-point blackbody cells and apparatus assigned
T/T-2.5.2 Variable temperature blackbody radiation sources assigned
T/T-2.5.3 Strip lamps assigned
T/T-2.5.4 Radiation thermometers and visual optical pyrometers assigned
T/T-2.6 Other thermometers assigned
T/T-2.6.1 Air temperature sensors assigned
T/T-2.6.2 Other thermometers assigned
T/T-2.7 Temperature sensors with display unit assigned
T/T-2.7.1 Temperature sensors with display unit assigned
T/T-2.8 Other measurement services assigned
T/T-2.8.1 Bridge linearity assigned
T/T-2.8.2 Compensation wires for cold junction assigned
T/T-2.8.3 Wires for melting-point measurements for thermocouples assigned
T/T-2.8.4 Temperature indicators assigned
T/T-2.8.5 Phase-transition temperature of reference materials assigned
T/T-2.8.6 Dry-well block calibrators assigned
T/T-7 Items used for disseminating thermodynamic temperature
T/T-7.1 Radiation thermometry assigned
T/T-7.1.1 Fixed-point blackbody cells and apparatus assigned
T/T-7.1.2 Radiation thermometers assigned
T/T-7.1.3 Variable temperature blackbody radiation sources assigned

T/H Humidity

T/H-3 Hygrometers
T/H-3.1 Dew-point hygrometers assigned
T/H-3.1.1 Dew-point hygrometers assigned
T/H-3.2 Psychrometers assigned
T/H-3.2.1 Psychrometers assigned
T/H-3.3 Relative humidity sensors assigned
T/H-3.3.1 Relative humidity sensors assigned
T/H-3.4 Other hygrometers assigned
T/H-3.4.1 Other hygrometers assigned
T/H-4 Dynamic generators
T/H-4.1 Dew-point generators assigned
T/H-4.1.1 Dew-point generators assigned
T/H-4.2 Relative humidity generators assigned
T/H-4.2.1 Relative humidity generators assigned
T/H-4.3 Flow mixing assigned
T/H-4.3.1 Flow mixing assigned
T/H-4.4 Permeation tube, diffusion tube assigned
T/H-4.4.1 Permeation tube, diffusion tube assigned
T/H-5 Static generators
T/H-5.1 Salt solutions (saturated, unsaturated) assigned
T/H-5.1.1 Salt solutions (saturated, unsaturated) assigned
T/H-5.2 Reference gases assigned
T/H-5.2.1 Reference gases assigned

T/TQ Thermophysical quantities

T/TQ-6 Thermophysical quantities
T/TQ-6.1 Thermal transport property assigned
T/TQ-6.1.1 Thermal conductivity assigned
T/TQ-6.1.2 Thermal diffusivity assigned
T/TQ-6.2 Caloric property assigned
T/TQ-6.2.1 Specific heat capacity assigned
T/TQ-6.2.2 Heat of fusion assigned
T/TQ-6.2.3 Calorific value assigned
T/TQ-6.3 Radiative property assigned
T/TQ-6.3.1 Spectral emissivity assigned
T/TQ-6.3.2 Total emissivity assigned
T/TQ-6.4 Thermo-mechanical property assigned
T/TQ-6.4.1 Thermal expansion coefficient assigned