| Metrology area, Sub-field | Ionizing Radiation, Section I (x and gamma rays, electrons) |
| Description | Measurement of air kerma for Cobalt 60 |
| Time of measurements | 2010 |
| Status | Approved for equivalence |
| Final Reports of the comparisons | |
| References | |
| Measurand | Air kerma rate in mGy/s |
| Parameters | Radiation type: Co-60 gamma rays |
| Transfer device | Three ionization chambers |
| Comparison type | Key Comparison |
| Consultative Committee | CCRI (Consultative Committee for Ionizing Radiation) |
| Conducted by | APMP (Asia Pacific Metrology Programme) |
| Comments | Temporarely registered as APMP.K1.1.2010, modified to APMP.RI(I)-K1.1 on 24 September 2018. The results of this comparison were no longer linked to the continuous comparison BIPM.RI(I)-K1 on 23 February 2026 as the measurements are older than 15 years stated by the CCRI rules. |
| Pilot institute |
ARPANSA
Australian Radiation Protection and Nuclear Safety Agency Australia |
| Contact person | Jessica LYE +61 3 9433 2274 |
| Pilot laboratory | |
|---|---|
| ARPANSA |
Australian Radiation Protection and Nuclear Safety Agency, Australia, APMP |
| DMSc |
Department of Medical Sciences, Thailand, APMP |
| NIS |
National Institute for Standards, Egypt, AFRIMETS |
| NMIJ AIST |
National Metrology Institute of Japan, Japan, APMP |
| NRSL/INER |
Institute of Nuclear Energy Research, Chinese Taipei, APMP |
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