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General Information:

Address: No.18,Bei San Huan
Dong Lu,Chaoyang
Dist,Beijing,P.R.China, 100013

ws@nim.ac.cn
Tel:+86-10-64525678

 

Thermometry

Sub-No

Field

Comparison Identifier

Description

Start Year

Finish Year

Comparison type

Field

Parameter(s)

Status

Pilot

Time

1

T

APMP.T- K5

Comparison of realization of the ITS-90 using radiation thermometry over the range 962 °C and 2800 °C

1997

2000

K

Thermometry, Pyrometry

over the range 962 °C and 2800 °C

Approved for equivalence, Results available

NMIJ

2010

2

T

  APMP.T- K6

Comparison of humidity standards: dew point temperature

1999

2001

K

 Thermometry, Humidity

Temperature: -60 °C to 20 °C

Approved for equivalence

SPRING Singapore

 

3

T

  APMP.T- S1

Comparison using Type R thermocouples

2005

2006

S

 Thermometry, Thermocouples

Temperature: 0 °C to 1100 °C

Approved and published

NMIA

2006

4

T

  APMP.T- S2

Calibration of radiation thermometer

2000

2003

S

 Thermometry, Pyrometry

Temperature: 400 °C to 2000 °C

Approved and published

NMIJ

2006

5

T

 CCT- K3.2

SPRT calibration comparison using ITS-90 fixed points from -190 °C to 420 °C

1997

2001

K

Thermometry, Standard Platinum Resistance Thermometers

 

Planned 

NIM

 

6

T

  APMP.T- S6

Comparison of Industrial Platinum Resistance Thermometers (IPRT)

2009

 

S

Thermometry, Industrial thermometry

Temperature: -50 °C to 400 °C

Planned

KRISSNMIANML-SIRIM

 

7

T

  CCT- K2.2

Realizations of the ITS-90 from 24.5 K to 273.16 K 

2005

2005

K

 Thermometry, Standard Platinum Resistance Thermometers

 

Protocol complete

CNR-IMGC

 

8

T

  CCT- K3

Realizations of the ITS-90 from 83.8058 K to 933.473 K

1997

2001

K

 Thermometry, Standard Platinum Resistance Thermometers

 

Approved for equivalence, Results available

NIST

 

9

T

  CCT- K4

Comparison of local realizations of Aluminium and Silver freezing-point temperatures

1998

2000

K

 Thermometry, Fixed Point Cells

660.323 °C (Al) and 961.78 °C (Ag)

Approved for equivalence, Results available

PTB

 

10

T

  CCT- K5

Realizations of the ITS-90 between 962 °C and 1700 °C

1997

1999

K

 Thermometry, Pyrometry

 

Approved for equivalence, Results available

NMi-VSL

2006

11

T

  CCT- K6

Comparison of humidity standards: dew and frost point temperatures

2003

2003

K

 Thermometry, Humidity

Temperature: -50 °C to 20 °C

Report in progress, Draft A

NPL

 

12

T

  CCT- K7

Comparison of water triple point cells

2002

2004

K

 Thermometry, Fixed Point Cells

Temperature: 273.16 K

Approved for equivalence, Results available

BIPM

2006

13

T

 APMP.T- S7

Comparison of melting temperature of Co-C eutectic point cells

2010

2011

S

 Thermometry, Thermocouples

 

Planned

KRISS

 

14

T

  CCT- K9

Realizations of the ITS-90 from 83.8 K to 692.7 K

2011

2012

K

Thermometry, Standard Platinum Resistance Thermometers

 

In progress

NIST

 

15

T

CCT- S2

Thermal conductivity

2007

2010

S

Thermometry, Thermophysical quantities

Temperature: 10 °C, 23 °C and 40 °C

Report in progress, Draft A

LNE

 

16

T

  CCT- S3

Thermal diffusivity

2007

2008

S

 Thermometry, Thermophysical quantities

Temperature: 300 K to 1200 K

Report in progress, Draft A

NMIJ

 

17

T

APMP.T- K3.6

SPRT calibration comparison at the triple point cell of Argon

2013

2014

K

Thermometry, Standard Platinum Resistance Thermometers

 

Planned

NIM

 

18

T

APMP.T- K4.1

 Comparison of local realizations of Silver freezing-point temperatures

2013

_

K

Thermometry, Fixed Point Cells

Temperature: 1234.93 K

Planned

NIM

 

19

T

APMP.T- S9

Thermal diffusivity

2013

__

S

Thermometry, Thermophysical quantities

Temperature: 300 K to 1200 K

Planned

NMIJ

 

20

T

APMP.T- S10

Thermal conductivity

2013

__

S

Thermometry, Thermophysical quantities

Temperature: 283 K to 343 K

Planned

KRISS

 

21

T

APMP.T-K6.2013

 Comparison of humidity standards: dew point temperature

2013

2014

K

  Thermometry, Humidity

Dew point (frost point below 0 °C), −50 °C to +20 °C (may include extra points down to −80 °C)

Planned

NMC, A*STAR