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SIM.T-S11

Metrology area, Sub-field	Thermometry, Industrial thermometry
Description	Comparison of calibration of Industrial Platinum Resistance Thermometers
Time of measurements	2021 - 2023
Status	Report in progress, draft A

Measurand	W (t₉₀), Δt₉₀ Temperatures at 420 ºC, 320 ºC, 200 ºC, 160 ºC, 125 ºC, 83 °C, 30 °C, 0 °C, - 20 °C and - 40 ºC.
Transfer device	Two Pt-100 IPRTs (100 Ω nominal value at 0 ºC) with four terminals.

Comparison type	Supplementary Comparison
Consultative Committee	CCT (Consultative Committee for Thermometry)
Conducted by	SIM (Inter-American Metrology System)
Comments	On 7th of April 2022 about 40 % of the measurements are finished and the participants have provided their results to the pilot laboratory
Pilot institute	PTB Physikalisch-Technische Bundesanstalt Germany
Contact person	Lars BUENGER
Additional	Ciro A. Sánchez, Instituto Nacional de Metrología de Colombia

Pilot laboratory
PTB	Physikalisch-Technische Bundesanstalt, Germany, EURAMET

CENAM

Centro Nacional de Metrologia, Mexico, SIM

CENAMEP AIP

Centro Nacional de Metrología de Panama AIP, Panama, SIM

CESMEC

Centro de Estudios, Medición y Certificación de Calidad, Chile, SIM

IBMETRO

Instituto Boliviano de Metrología, Bolivia, SIM

INACAL

National Institute for Quality, Peru, SIM

INEN	Servicio Ecuatoriano de Normalización, Ecuador, SIM

INM (CO)

Instituto Nacional de Metrología de Colombia, Colombia, SIM

INMETRO

Instituto Nacional de Metrologia, Qualidade e Tecnologia, Brazil, SIM

INTI	Instituto Nacional de Tecnologia Industrial, Argentina, SIM

INTN	Instituto Nacional de Tecnologia y Normalizacion, Paraguay, SIM

LATU	Laboratorio Tecnologico del Uruguay, Uruguay, SIM

TTBS	Trinidad and Tobago Bureau of Standards (Trinidad and Tobago/CARICOM), CARICOM (Caribbean Community), SIM

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