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In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a² + b²]^1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)

IAEA - International Organization, IAEA (International Atomic Energy Agency)

Ionizing radiation

Kerma/rate , Diagnostic ionisation chamber : 1.70E-5 Gy/s to 1.00E-3 Gy/s

Relative expanded uncertainty 1.3 %

Calibration against a secondary standard free in air

X-ray, 10 kV to 50 kV, Mammography qualities (anode material + x mm of filter material)

Reference standard : Secondary standard ionization chamber

Source of traceability : PTB

Mammography qualities (i) Mo + 0.03 Mo, with and without additional 2 mm Al for 25 kV to 35 kV, IEC61627 RQR-M and RQA-M for 25 kV to 35 kV; (ii) Mo + 0.028 Rh, 25 kV to 35 kV; W + 0.048 Rh, 25 kV to 35 kV; W + 0.049 Ag, 25 kV to 35 kV

Approved on 21 October 2001

Institute service identifier : SIM-RAD-IAEA-1018

KCDB ID : SIM-RI-IA-00000OZV-1

Ionizing radiation

Ambient dose equivalent/rate , Protection ionization chamber : 0.036 mSv/h to 9 mSv/h

Relative expanded uncertainty 3.5 % to 1.2 %

Calibration against a secondary standard free in air

Cs-137, ISO 4037

Reference standard : Secondary standard ionization chamber

Source of traceability : BIPM

Traceable to the H*(10) standard at the BIPM without conversion from air kerma Uncertainty varies linearly within the range

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1012

KCDB ID : SIM-RI-IA-00000P07-1

Ionizing radiation

Ambient dose equivalent/rate , Protection ionization chamber : 0.11 mSv/h to 3 mSv/h

Relative expanded uncertainty 0.8 %

Calibration against a secondary standard free in air

Co-60, ISO 4037

Reference standard : Secondary standard ionization chamber

Source of traceability : BIPM

Traceable to the H*(10) standard at the BIPM without conversion from air kerma

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1013

KCDB ID : SIM-RI-IA-00000P06-1

Ionizing radiation

Personal dose equivalent/rate , Protection ionization chamber / personal dosimeter : 0.05 mSv to 30 mSv

Relative expanded uncertainty 5 %

Calibration against a secondary standard on the surface of the slab phantom

Cs-137, ISO 4037

Reference standard : Secondary standard ionization chamber

Source of traceability : BIPM

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1016

KCDB ID : SIM-RI-IA-00000OZO-1

Ionizing radiation

Personal dose equivalent/rate , Protection ionization chamber / personal dosimeter : 0.05 mSv to 30 mSv

Relative expanded uncertainty 5 %

Calibration against a secondary standard on the surface of the slab phantom

Co-60, ISO 4037

Reference standard : Secondary standard ionization chamber

Source of traceability : BIPM

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1017

KCDB ID : SIM-RI-IA-00000OZN-1

Ionizing radiation

Kerma/rate , Therapy ionization chamber : 4.00E-4 Gy/s to 4.00E-3 Gy/s

Relative expanded uncertainty 0.8 %

Calibration against a secondary standard free in air

X-ray, 10 kV to 50 kV, BIPM-CCRI, 10 kV to 50 kV

Reference standard : Secondary standard ionization chamber

Source of traceability : BIPM

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1003

KCDB ID : SIM-RI-IA-00000OZQ-1

Ionizing radiation

Personal dose equivalent/rate , Protection ionization chamber / personal dosimeter : 0.2 mSv to 30 mSv

Relative expanded uncertainty 5 %

Calibration against a secondary standard on the surface of the slab phantom

X-ray, 50 kV to 300 kV, ISO 4037, Narrow Series, 60 kV to 300 kV

Reference standard : Secondary standard ionization chamber

Source of traceability : PTB

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1015

KCDB ID : SIM-RI-IA-00000OZM-1

Ionizing radiation

Kerma/rate , Protection ionization chamber : 0.036 mGy/h to 9 mGy/h

Relative expanded uncertainty 3.2 % to 0.8 %

Calibration against a secondary standard free in air

Cs-137, ISO 4037

Reference standard : Secondary standard ionization chamber

Source of traceability : BIPM

Uncertainty varies linearly within the range

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1008

KCDB ID : SIM-RI-IA-00000P03-1

Ionizing radiation

Kerma/rate , Protection ionization chamber : 0.6 mGy/h to 12 mGy/h

Relative expanded uncertainty 1.2 %

Calibration against a secondary standard free in air

X-ray, 10 kV to 50 kV, ISO 4037, Narrow Series, 40 kV

Reference standard : Secondary standard ionization chamber

Source of traceability : PTB

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1006

KCDB ID : SIM-RI-IA-00000OZT-1

Ionizing radiation

Kerma/rate , Protection ionization chamber : 0.11 mGy/h to 3 mGy/h

Relative expanded uncertainty 0.8 %

Calibration against a secondary standard free in air

Co-60, ISO 4037

Reference standard : Secondary standard ionization chamber

Source of traceability : BIPM

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1009

KCDB ID : SIM-RI-IA-00000P02-1

Ionizing radiation

Personal dose equivalent/rate , Protection ionization chamber / personal dosimeter : 0.2 mSv to 30 mSv

Relative expanded uncertainty 5 %

Calibration against a secondary standard on the surface of the slab phantom

X-ray, 10 kV to 50 kV, ISO 4037, Narrow Series, 40 kV

Reference standard : Secondary standard ionization chamber

Source of traceability : PTB

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1014

KCDB ID : SIM-RI-IA-00000OZL-1

Ionizing radiation

Kerma/rate , Protection ionization chamber : 0.6 mGy/h to 12 mGy/h

Relative expanded uncertainty 1.2 %

Calibration against a secondary standard free in air

X-ray, 50 kV to 300 kV, ISO 4037, Narrow Series, 60 kV to 300 kV

Reference standard : Secondary standard ionization chamber

Source of traceability : PTB

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1007

KCDB ID : SIM-RI-IA-00000OZX-1

Ionizing radiation

Ambient dose equivalent/rate , Protection ionization chamber : 0.6 mSv/h to 12 mSv/h

Relative expanded uncertainty 3.3 %

Calibration against a secondary standard free in air

X-ray, 50 kV to 300 kV, ISO 4037, Narrow Series, 60 kV to 300 kV

Reference standard : Secondary standard ionization chamber

Source of traceability : PTB

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1011

KCDB ID : SIM-RI-IA-00000P05-1

Ionizing radiation

Kerma/rate , Diagnostic ionisation chamber : 1.70E-5 Gy/s to 1.40E-4 Gy/s

Relative expanded uncertainty 1.1 %

Calibration against a secondary standard free in air

X-ray, 50 kV to 300 kV, IEC 61267, RQA series, 60 kV to 150 kV

Reference standard : Secondary standard ionization chamber

Source of traceability : PTB

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1021

KCDB ID : SIM-RI-IA-00000P00-1

Ionizing radiation

Kerma/rate , Diagnostic ionisation chamber : 1.70E-5 Gy/s to 1.40E-4 Gy/s

Relative expanded uncertainty 1.1 %

Calibration against a secondary standard free in air

X-ray, 10 kV to 50 kV, IEC 61267, RQA series, 40 kV to 50 kV

Reference standard : Secondary standard ionization chamber

Source of traceability : PTB

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1020

KCDB ID : SIM-RI-IA-00000OZR-1

Ionizing radiation

Kerma/rate , Diagnostic ionisation chamber : 1.70E-4 Gy/s to 1.20E-3 Gy/s

Relative expanded uncertainty 1.1 %

Calibration against a secondary standard free in air

X-ray, 50 kV to 300 kV, IEC 61267, RQR series, 60 kV to 150 kV

Reference standard : Secondary standard ionization chamber

Source of traceability : PTB

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1023

KCDB ID : SIM-RI-IA-00000OZY-1

Ionizing radiation

Kerma/rate , Diagnostic ionisation chamber : 1.70E-4 Gy/s to 1.20E-3 Gy/s

Relative expanded uncertainty 1.1 %

Calibration against a secondary standard free in air

X-ray, 10 kV to 50 kV, IEC 61267, RQR series, 40 kV to 50 kV

Reference standard : Secondary standard ionization chamber

Source of traceability : PTB

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1022

KCDB ID : SIM-RI-IA-00000OZU-1

Ionizing radiation

Kerma/rate , Diagnostic ionisation chamber : 1.70E-5 Gy/s to 1.00E-3 Gy/s

Relative expanded uncertainty 1 %

Calibration against a secondary standard free in air

X-ray, 10 kV to 50 kV, Mammography qualities

Reference standard : Secondary standard ionization chamber

Source of traceability : BIPM

Mammography qualities (anode material + x mm of filter material): (i) Mo + 0.03 Mo (IEC61267 RQR-M), 25 kV to 35 kV, and W + 0.066 Mo, 25 kV to 35 kV

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1019

KCDB ID : SIM-RI-IA-00000OZS-1

Ionizing radiation

Kerma/rate , Diagnostic ionisation chamber : 1.70E-4 Gy/s to 1.70E-3 Gy/s

Relative expanded uncertainty 1.1 %

Calibration against a secondary standard free in air

X-ray, 50 kV to 300 kV, IEC 61267, RQT beams, 100 kV to 150 kV

Reference standard : Secondary standard ionization chamber

Source of traceability : PTB

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1024

KCDB ID : SIM-RI-IA-00000OZW-1

Ionizing radiation

Kerma/rate , Therapy ionization chamber : 2.00E-4 Gy/s to 2.00E-3 Gy/s

Relative expanded uncertainty 0.8 %

Calibration against a secondary standard free in air

X-ray, 50 kV to 300 kV, BIPM-CCRI, 100 kV to 250 kV

Reference standard : Secondary standard ionization chamber

Source of traceability : BIPM

Approved on 24 February 2016

Institute service identifier : SIM-RAD-IAEA-1004

KCDB ID : SIM-RI-IA-00000OZZ-1

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General physics

Acoustics, Ultrasound, Vibration

This metrology area covers the fields of acoustics, ultrasound and vibration.

Electricity and Magnetism

This metrology area covers the fields of DC and AC measurements, impedance, electric and magnetic fields, radiofrequencies and measurements on materials.

Length

This metrology area covers the fields of laser frequencies and dimensional metrology.

Mass and related quantities

This metrology area covers the fields of mass standards, force, pressure, density, hardness, torque, gravity and viscosity.

Photometry and Radiometry

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This metrology area covers all fields relevant to chemistry and biology.

Ionizing radiation

Ionizing Radiation

This metrology area covers the fields of dosimetry, radioactivity and neutron measurements.

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KCDB

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