Thermometry, Chinese TAIPEI, CMS (Center for Measurement Standards)

Transcription

1 Mercury triple point C Thermostat 0.54 mk 2 95% No Approved on 28 June 2007 Comparison with reference (s) C 0.08 mk 2 95% No C 0.09 mk 2 95% No Gallium melting point C Thermostat 0.48 mk % No Approved on 28 June 2007 Tin freezing point C Furnace 3-zone 1.1 mk 2 95% No Approved on 28 June 2007 Zinc freezing point C Furnace 3-zone 1.4 mk 2 95% No Approved on 28 June 2007 Indium freezing point C Furnace 3-zone 1.8 mk 2 95% No Approved on 23 November 2009 Water and Mercury triple point s, Gallium melting point C 0.8 mk 2 95% No, Gallium melting point C 0.5 mk 2 95% No The BIPM key comparison database, April /10

2 , Indium freezing point C 1.8 mk 2 95% No, Indium and tin freezing point s C 2.1 mk 2 95% No, tin and zinc freezing point s C 1.5 mk 2 95% No, tin, zinc, and aluminum freezing point s C 4.5 mk 2 95% No stirred alcohol bath C 9 mk 2 95% No. stirred alcohol bath C 8 mk 2 95% No. at ice point 0 0 C 6 mk 2 95% No The BIPM key comparison database, April /10

3 stirred water bath 0 70 C 8 mk 2 95% No. stirred water bath C 9 mk 2 95% No C 11 mk 2 95% No C 16 mk 2 95% No. The BIPM key comparison database, April /10

4 C 19 mk 2 95% No C mk 2 95% No. thermometer, 0.2 stirred alcohol bath C graduations C 0.10 K 2 95% No thermometer, 0.05 C graduations ice point bath 0 0 C 0.03 K 2 95% No thermometer, 0.1 C graduations stirred water bath 0 50 C 0.05 K 2 95% No thermometer, 0.2 C graduations stirred water and oil baths C 0.10 K 2 95% No The BIPM key comparison database, April /10

5 thermometer, 0.2 C graduations C 0.11 K 2 95% No thermometer, 0.5 C graduations C 0.22 K 2 95% No Noble metal thermocouple Tin freezing point C 0.15 K 2 95% No Pre-determined of inhomogeneity included in the CMC entry. T03 Noble metal thermocouple Zinc freezing point C 0.14 K 2 95% No Pre-determined of inhomogeneity included in the CMC entry. T03 Noble metal thermocouple Silver freezing point C 0.19 K 2 95% No Pre-determined of inhomogeneity included in the CMC entry. T03 The BIPM key comparison database, April /10

6 Noble metal thermocouple Tin, Zinc, Aluminum and Silver freezing point s C 0.77 K 2 95% No 3 Order polynomial deviation function from IEC EN T03 Noble-metal thermocouple furnace C 2 K 2 95% No Dew-point temperature Dew-point hygrometer Comparison C Pressure ambient 0.1 C 2 95 % No H01 Dew-point temperature Dew-point hygrometer Comparison C Pressure ambient 0.13 C 2 95% No H01 Aluminium freezing point Comparison with reference (s) C 4.1 mk 2 95% No Aluminum freezing point C 4.1 mk 2 95% No Fixed-point blackbody furnace (Cu) Comparison using radiation thermometer C Wavelength 0.65 μm 0.74 C % No T01 Fixed-point blackbody furnace (Ag) Comparison using radiation thermometer C Wavelength 0.65 μm 0.74 C % No T01 Variable temperature blackbody furnace Calibration by reference radiation thermometer C Wavelength 0.65 μm 2 to 5 C 2 95% No for comparison 65 T01 The BIPM key comparison database, April /10

7 Radiation thermometer Direct scale realization by interpolation between fixed points C Wavelength 0.65 μm 0.74 to 1.4 C 2 95% No for Rad Therm 65 T01 Variable temperature blackbody furnace Comparison using radiation thermometer C Wavelength 8 μm to 12 μm 0.30 to 0.31 C 2 95% No for R.T The BIPM key comparison database, April /10

8 Uncertainty matrix: for comparison 65. Variable temperature blackbody radiation sources: CMS/T μm 960 C to 1000 C 3 > 1000 C to 1100 C 2 > 1100 C to 1200 C 3 > 1200 C to 1300 C 3 > 1300 C to 1400 C 4 > 1400 C to 1500 C 5 The expanded uncertainties given in this table are expressed in C The BIPM key comparison database, April /10

9 Uncertainty matrix: for Rad Therm 65. Standard radiation thermometers: CMS/T μm 960 C C C C C C C C 1.4 The expanded uncertainties given in this table are expressed in C The BIPM key comparison database, April /10

10 Uncertainty matrix: for R.T Variable temperature blackbody radiation sources: CMS/ 8 μm to 12 μm 10 C C C C C C C C C 0.30 The expanded uncertainties given in this table are expressed in C The BIPM key comparison database, April /10