progress of apmp.m.ff-k6

Progress of APMP.M.FF-K6.2018

Woong KANG

Thermometry and Fluid Flow Metrology GroupKorea Research Institute of Standards and Science

APMP 2020 TCFF meeting

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Pilot Lab: CMI Czech Republic, SMU Slovakia, PTB Germany(Co-Pilot)

Participants from APMP: CMS, KRISS, NIM, NMIA, NMIJ (total 11 NMIs)

The transfer Standard: Rotary gas meter(Actaris)

Range of flow rates: 2 m3/h to 100 m3/h

CIPM Key Comparison CCM.FF-K6.2011

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Pilot Lab / Contact point: KRISS / Woong KANG ([email protected])

PurposeDetermination degree of equivalence of national primary standards of low pressure

gas flow(10 to 100 m3/h) in NMIs of APMP with linkage to KCRV in CCM.FF-K6.2011

APMP.M.FF-K6.2018

Participants from APMP (9)- CMS, CSIR-NPL, NIM, NIMT, NMC A*STAR, NMIA, RCM-LIPI, VMI(Linking Lab. : KRISS, NMIA, NIM)

The transfer Standard: Rotary gas meter (Itron Delta S-Flow G65, DN50)

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Measurement range of flow rates

- 10 m3/h to 100 m3/h (Set points: 10, 20, 30, 40, 50, 60, 70, 80, 90, and 100 m3/h)

- If the participating NMIs will not be able to covert the whole flow range, one part of the flow range could be measured.

- All the participating laboratories will measure the actual volumetric flow at the transfer standard based on the pressure and temperature measurements made at the transfer meter

APMP.M.FF-K6.2018

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Method of measurement

- Use each NMI’s calibration procedure with traceability to the SI - Relative error of meter e in (%):Defined as the difference between the volume indicated by the transfer standard

and the volume measured by the reference standard

APMP.M.FF-K6.2018

𝑒𝑒 =𝑉𝑉𝑡𝑡 − 𝑉𝑉𝑠𝑠𝑉𝑉𝑠𝑠

× 100

Measurement procedure and conditions

- calibration medium: Air

- air temperature: 20±5℃

- ambient relative humidity : 25% to 75%

- ambient atmospheric pressure : 86 kPa to 106 kPa

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APMP.M.FF-K6.2018Participants and Method of measurement

# Country NMI Flow range NMI Standard/ Uncertainty Contact Point

1 Republic of Korea KRISS (10 to 100)

m3/hVenturi NozzlesU=0.18%

Woong Kang([email protected])

2 Australia NMIA (10 to 100) m3/h

Venturi NozzlesU=0.13 – 0.16%

Khaled Chahine(khaled.chahine

@measurement.gov.au)

3 Singapore NMC A*STAR

(10 to 70) m3/h

Bell ProverU=0.50%

Yan Zeng(zeng_yan

@nmc.a-star.edu.sg)

4 Thailand NIMT (10 to 100) m3/h

Bell ProverU=0.20%

Sutham Masri([email protected])

5 Indonesia SNSU-BSN

(10 to 84) m3/h

Bell ProverU=0.80%

Fahmy Munawar Cholil([email protected])

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APMP.M.FF-K6.2018Participants and Method of measurement

# Country NMI Flow range NMI Standard/ Uncertainty Contact Point

6 India CSIR-NPL (10 to 66) m3/h

Venturi NozzlesU=0.30%

Shiv Kumar Jaiswal (skjaiswal

@nplindia.org)

7 Chinese Taipei CMS (10 to 60)

m3/h

Venturi NozzlesU=0.15% Win-Ti Lin (wintilin

@itri.org.tw)

8 Vietnam VMI (10 to 100) m3/h

PVTtU=0.20% Nguyen Hoang Nam

([email protected])

9 China NIM (10 to 100) m3/h

PVTt(Venturi Nozzles)U=0.18 – 0.19% Chunhui Li

([email protected])

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Progress of APMP.M.FF-K6.2018Status of KC in the KCDB of BIPM- Start from KRISS (#1st Pilot Lab Test) at 2018.06, Now Measurement in progress- Technical Protocol Ver. 4.3

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Progress of APMP.M.FF-K6.2018

5 pages,

Status of KC in the KCDB of BIPM- Start from KRISS (#1st Pilot Lab Test) at 2018.06, Now Measurement in progress- Technical Protocol Ver. 4.3

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Progress of APMP.M.FF-K6.2018Schedule for Comparison measurements

No. Participating NMI (Economy)

Beginning of Test End of Test Remark

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KRISS (Republic of Korea)

2018-06-04 2018-07-01

1st Pilot lab Test

2018-07-02 Shipping, KRISS to NMIA 2 NMIA

(Australia) 2018-07-23 2018-08-19 Test finished

2018-08-20 Shipping, NMIA to NMC A*STAR 3 NMC A*STAR

(Singapore) 2018-08-27 2018-11-06 Test finished

2018-11-07 Shipping, NMC A*STAR to NIMT 4 NIMT

(Thailand) 2018-12-03 2019-01-23 Test finished

2018-01-24 Shipping, NIMT to KRISS 5 KRISS

(Republic of Korea) - 2019-07-14 Re-scheduling

2st Pilot lab Test 2019-07-15 Shipping, KRISS to VMI

6 VMI (Vietnam)

2019-08-05 2019-09-15 Test finished

2019-09-16 Shipping, VMI to NIM 7 NIM

(China) 2019-10-08 2019-12-23 Test finished

2020-01-16 Shipping, NIM to CSIR-NPLI 8 CSIR-NPLI

(India) 2020-01-23 2020-04-27 Test finished

2020-04-27 Shipping, CSIR-NPLI to CMS Delay due to the lockdown of the airport of India by COVID 19(4 months)

9 CMS (Chinese Taipei)

2020-08-17 2020-09-28 Test finished

2020-10-05 Shipping, CMS to RCM-LIPI 10 SNSU-BSN

(Indonesia) 2020-10-23 2020-11-22 One month

2020-11-22 Shipping, RCM-LIPI to KRISS (three weeks) 11 KRISS

(Republic of Korea) 2020-12-14 - 3rd Pilot lab Test

Reporting Draft A

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(1) KRISS, (2) NMIA, (3)NMC A*,(4) NIMT, (5) KRISS, (6) VMI(7) NIM, (8) CSIR-NPLI, (9) CMS KC measurements finished



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2018-06-04 2018-07-01

1st Pilot lab Test










6 VMI (Vietnam)

2019-08-05 2019-09-15 Test finished







2020-08-17 2020-09-28 Test finished





Reporting Draft A

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(10) Now, SNSU-BSN(Indonesia) is doing KC measurement.



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2018-06-04 2018-07-01

1st Pilot lab Test










6 VMI (Vietnam)

2019-08-05 2019-09-15 Test finished







2020-08-17 2020-09-28 Test finished





Reporting Draft A

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(10) Now, SNSU-BSN(Indonesia) is doing KC measurement.



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2018-06-04 2018-07-01

1st Pilot lab Test










6 VMI (Vietnam)

2019-08-05 2019-09-15 Test finished







2020-08-17 2020-09-28 Test finished





Reporting Draft A

Delay due to COVID 19(4 months)

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Plan of APMP.M.FF-K6.2018Schedule for Comparison measurements- 7 NMI(NMIA, NMC A*, NIMT, VMI, NIM, CSIR-NPLI, CMS) already sent the KC

measurement report to KRISS

- After SNSU-BSN, KRISS will do the 3rd Pilot lab test

- From ‘21.2, KRISS will start to write the Draft A of APMP.M.FF-K6.2018: If necessary, we will request the detailed information and data for Draft A

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Plan of APMP.M.FF-K6.2018Schedule for Comparison measurements- 7 NMI(NMIA, NMC A*, NIMT, VMI, NIM, CSIR-NPLI, CMS) already sent the KC

measurement report to KRISS

- After SNSU-BSN, KRISS will do the 3rd Pilot lab test

- From ‘21.2, KRISS will start to write the Draft A of APMP.M.FF-K6.2018: If necessary, we will request the detailed information and data for Draft A

‘21.5 : Circulating the Draft A of KC report

‘21.8 : Writing the Draft B of KC report

progress of apmp.m.ff-k6

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