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Thermometry

No.

Calibration or Measurement Service

Measurand Level or Range

Measurement Conditions/Independent Variable

Expanded Uncertainty

Class or Quantity

Measurand(Quantity Instrument or Artifact)

Instrument Type or Method

Minimum value

Maximum value

Units

Parameter

Specifications

Value

Units

Coverage Factor

Level of confidence

Is the expanded uncertainty a relative one?

Matrix uncertainty

1

Temperature

Argon triple point for
SPRT

Direct comparison with reference cell

83.8058

83.8058

K

Isothermal cryostat

 

0.40

mK

2

95%

No

 

2

Temperature

Mercury triple point for
SPRT

Direct comparison with reference cell

234.3156

234.3156

K

Temperature controlled bath

 

0.40

mK

2

95%

No

 

3

Temperature

Water triple point for
SPRT

Direct comparison with reference cell

273.16

273.16

K

Ethanol bath

 

0.16

mK

2

95%

No

 

4

Temperature

Gallium melting point for SPRT

Direct comparison with reference cell

302.9146

302.9146

K

1-zone furnace

 

0.58

mK

2

95%

No

 

5

Temperature

Indium freezing point for SPRT

Direct comparison with reference cell

429.7485

429.7485

K

3-zone furnace

 

1.5

mK

2

95%

No

 

6

Temperature

Tin freezing point for
SPRT

Direct comparison with reference cell

505.078

505.078

K

3-zone furnace

 

0.8

mK

2

95%

No

 

7

Temperature

Zinc freezing point for
SPRT

Direct comparison with reference cell

692.677

692.677

K

3-zone furnace

 

1.1

mK

2

95%

No

 

8

Temperature

Aluminum freezing point for SPRT

Direct comparison with reference cell

933.473

933.473

K

3-zone furnace

 

1.9

mK

2

95%

No

 

9

Temperature

Silver freezing point for
SPRT

Direct comparison with reference cell

1,234.93

1,234.93

K

3-zone furnace

 

2.8

mK

2

95%

No

 

10

Temperature

Long-stem SPRT

Argon triple point

83.8058

83.8058

K

Isothermal cryostat

 

0.59

mK

2

95%

No

 

11

Temperature

Long-stem SPRT

Mercury triple point

234.3156

234.3156

K

Temperature controlled bath

 

0.59

mK

2

95%

No

 

12

Temperature

Long-stem SPRT

Water triple point

273.16

273.16

K

Ethanol bath

 

0.16

mK

2

95%

No

 

13

Temperature

Long-stem SPRT

Gallium melting point

302.9146

302.9146

K

1-zone furnace

 

0.63

mK

2

95%

No

 

14

Temperature

Long-stem SPRT

Indium freezing point

429.7485

429.7485

K

3-zone furnace

 

1.5

mK

2

95%

No

 

15

Temperature

Long-stem SPRT

Tin freezing point

505.078

505.078

K

3-zone furnace

 

1.1

mK

2

95%

No

 

16

Temperature

Long-stem SPRT

Zinc freezing point

692.677

692.677

K

3-zone furnace

 

1.4

mK

2

95%

No

 

17

Temperature

Long-stem SPRT

Aluminum freezing point

933.473

933.473

K

3-zone furnace

 

2.4

mK

2

95%

No

 

18

Temperature

Long-stem SPRT

Silver freezing point

1,234.93

1,234.93

K

3-zone furnace

 

3.7

mK

2

95%

No

 

19

Temperature

Liquid-in-glass thermometer

Comparison in stirred liquid bath

-60

0

°C

 

 

30

mK

2

95%

No

 

20

Temperature

Liquid-in-glass thermometer

Comparison in stirred liquid bath

0

100

°C

 

 

20

mK

2

95%

No

 

21

Temperature

Liquid-in-glass thermometer

Comparison in stirred liquid bath

100

200

°C

 

 

30

mK

2

95%

No

 

22

Temperature

Liquid-in-glass thermometer

Comparison in stirred liquid bath

200

300

°C

 

 

40

mK

2

95%

No

 

23

Temperature

Type R/S
thermocouple

Freezing point of
Zn, Al, Ag, Cu

0

1,100

°C

 

 

0.35

K

2

95%

No

 

24

Temperature

Fixed-point blackbody furnace (Ag)

Comparison using radiation thermometer

961.78

961.78

°C

 

 

0.3

°C

2

95%

No

 

25

Temperature

Radiation thermometer

0.66 μm, Direct scale by means of spectral responsivity  measurement

961.78

2474

°C

 

 

(0.08 – 0.62)

°C

2

95%

No

 

26

Temperature

Strip lamp (vacuum)

Calibration using primary standard  radiation thermometer

961.78

1700

°C

 

 

(0.20 – 0.31)

°C

2

95%

No

 

27

Temperature

Strip lamp (Gas Filled)

Calibration using primary standard  radiation thermometer

1700

2200

°C

 

 

(0.6 – 0.9 )

°C

2

95%

No

 

28

Temperature

Radiation thermometer

0.66 μm, Calibration using strip lamp

800

2200

°C

 

 

(0.6-1.4)

°C

2

95%

No

 

29

Temperature

Strip lamp (vacuum)

Calibration using radiation thermometer

800

1400

°C

 

 

(1.3-2.1)

°C

2

95%

No

 

30

Temperature

Strip lamp (Gas Filled)

Calibration using radiation thermometer

1400

2000

°C

 

 

(1.8-2.3)

°C

2

95%

No

 

31

Temperature

Resistance thermometers

Comparison in stirred liquid bath

0

100

°C

Temperature controlled bath

 

70-100

mK

2

95%

No

 

32

Temperature

Thermocouple

SRKNEJ/comparison method

300

1,100

°C

 

 

0.41.0

°C

2

95%

No

 

33

Temperature

PtRh10-Pt Thermocouple

S/Fixed Points

420

1,085

°C

 

 

0.3

°C

2

95%

No

 

34

Temperature

PtRh30-PtRh6 Thermocouple

B/comparison method

1,100

1,500

°C

 

 

2.1

°C

2

95%

No

 

35

Temperature

PtRh30-PtRh6 Thermocouple

B/wire-bridge method

1,555

1,555

°C

 

 

0.8

°C

2

95%

No

 

36

Temperature

temperature indicator

direct measurement

-200

1,800

°C

 

 

0.051.0

°C

2

95%

No

 

37

Temperature

Temperature chamber

comparison method

-80

300

°C

 

 

0.1

°C

2

0.95

No

 

38

Temperature

Autoclave

comparison method

-40

150

°C

 

 

0.1

°C

2

0.95

No

 

39

Temperature

Thermostatic bath

comparison method

-200

420

°C

 

 

0.1

°C

2

0.95

No

 

40

Humidity

Temperature&Humidity
Chamber

comparison method

10

100

%RH

 

 

0.1

%RH

2

0.95

No

 

41

Temperature

Fixed-point blackbody furnace (Al)

Comparison using radiation thermometer

660.323

660.323

°C

 

 

0.3

°C

2

95%

No

 

42

Temperature

Fixed-point blackbody furnace (Cu)

Comparison using radiation thermometer

1084.62

1084.62

°C

 

 

0.3

°C

2

95%

No

 

43

Temperature

Radiation thermometer

Direct scale realization by interpolation between fixed points

400

1084.6

°C

Wavelength /um

0.9

0.24-0.56

°C

2

95%

No

 

44

Temperature

Radiation thermometer

Comparison using radiation thermometer

961.8

1400

°C

Wavelength /um

0.9

0.24-1.00

°C

2

95%

No

 

45

Temperature

Radiation thermometer

Comparison using variable temperature blackbody furnace

-50

2800

°C

Wavelength /um

8~14 0.91.6, etc

0.14-6.5

°C

2

95%

No

 

46

Temperature

Thermal Camera

Comparison using variable temperature blackbody furnace

-50

2800

°C

 

 

0.14-6.5

°C

2

95%

No

 

47

Temperature

Surface thermometer

Comparison using surface temperature source

30

400

°C

 

 

0.6-2.4

°C

2

95%

No

 

48

Temperature

Infrared Ear thermometer

Comparison using variable temperature blackbody furnace

30

50

°C

 

 

0.04

°C

2

95%

No

 

49

Temperature

Infrared devices for instant screening of human skin temperature

Comparison using variable temperature blackbody furnace

30

50

°C

 

 

0.2

°C

2

95%

No

 

50

Temperature

Blackbody for radiation temperature measurment

Comparison using transfer standard radiation thermometer

10

90

°C

Wavelength /um

8-14

0.08-0.12

°C

2

95%

No