🇨🇿 VF, a.s. PL
Metrology & calibration
VF, a.s. is a calibration laboratory accredited by ČIA under number 2336 (Černá Hora, Czech Republic). Its accreditation scope covers 14 calibration items in the following areas: Metrology & calibration. Calibrated items include: Kerma in air (Ka) / meters of ionizing radiation dosimetry quantities, Kerma rate in air (p Ka) / meters of ionizing radiation dosimetry q…, Activity of alpha radionuclides (A) / contamination meters, Activity of beta radionuclides (A) / contamination meters. Most frequently used calibration principles: Measurement on the OG-8 irradiator, Measurement using planar sources of ionizing radiation, Measurement using a comparator.
At a glance
- Accreditation number: ČIA 2336
- Calibration items in scope: 14
- Types of calibrated items: 12
- Calibration principles used: 3
- City: Černá Hora, Czech Republic
- Valid until: 26-03-2030
- Accreditation number
- 2336
- Accreditation body
- ČIA
- Address
- Svitavská 588, 679 21 Černá Hora
- City
- Černá Hora, Czech Republic
- Division
- Laboratorium wzorcujące VF
- Valid until
- 26-03-2030
What this laboratory calibrates (12)
- Kerma in air (Ka) / meters of ionizing radiation dosimetry quantities — 2 calibration items
- Kerma rate in air (p Ka) / meters of ionizing radiation dosimetry quantities — 2 calibration items
- Activity of alpha radionuclides (A) / contamination meters — 1 calibration item
- Activity of beta radionuclides (A) / contamination meters — 1 calibration item
- Ambient dose equivalent (H*(10)) / meters of ionizing radiation dosimetry quantities — 1 calibration item
- Ambient dose equivalent rate (p H*(10)) / meters of ionizing radiation dosimetry quantities — 1 calibration item
- Personal dose equivalent (Hp(10)) / meters of ionizing radiation dosimetry quantities — 1 calibration item
- Personal dose equivalent rate (p Hp(10)) / meters of ionizing radiation dosimetry quantities — 1 calibration item
- Photon dose equivalent (Hx) / meters of ionizing radiation dosimetry quantities — 1 calibration item
- Photon dose equivalent rate (p Hx) / meters of ionizing radiation dosimetry quantities — 1 calibration item
- Surface activity of alpha radionuclides (As) / contamination meters — 1 calibration item
- Surface activity of beta radionuclides (As) / contamination meters — 1 calibration item
Calibration principles (3)
- Measurement on the OG-8 irradiator — 8 calibration items
- Measurement using planar sources of ionizing radiation — 4 calibration items
- Measurement using a comparator — 2 calibration items
Certificate information
- Certificate date
- 16.02.2026
Accreditation scope — calibration items (14)
| No. | Calibrated quantity / subject of calibration | Nominal range / parameters / CMC | Calibration principle | Calibration procedure | |
|---|---|---|---|---|---|
| Calibration items | |||||
| 1 | Kerma in air (Ka) / meters of ionizing radiation dosimetry quantities | Calibration – quantities of atomic and nuclear physics 200·10⁻⁹ Gy to 110·10⁻⁸ Gy · CMC 3,9 % 110·10⁻⁸ Gy to 300·10⁻⁷ Gy · CMC 2,2 % 300·10⁻⁷ Gy to 120·10⁻⁵ Gy · CMC 2,5 % 120·10⁻⁵ Gy to 300 Gy · CMC 2,2 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement on the OG-8 irradiator | VF 1Q-3P2-0101 | |
| 2 | Kerma rate in air (p Ka) / meters of ionizing radiation dosimetry quantities | Calibration – quantities of atomic and nuclear physics position OG-8: 4 — 300·10⁻⁹ Gy·h⁻¹ to 120·10⁻⁷ Gy·h⁻¹ · CMC 2,2 % position OG-8: 5 — 300·10⁻⁹ Gy·h⁻¹ to 120·10⁻⁷ Gy·h⁻¹ · CMC 3,9 % position OG-8: 7 — 300·10⁻⁹ Gy·h⁻¹ to 120·10⁻⁷ Gy·h⁻¹ · CMC 4,9 % position OG-8: 4 — 120·10⁻⁷ Gy·h⁻¹ to 710·10⁻⁷ Gy·h⁻¹ · CMC 2,2 % position OG-8: 5 — 120·10⁻⁷ Gy·h⁻¹ to 710·10⁻⁷ Gy·h⁻¹ · CMC 3,9 % position OG-8: 1 — 710·10⁻⁷ Gy·h⁻¹ to 150·10⁻⁵ Gy·h⁻¹ · CMC 2,5 % position OG-8: 4 — 710·10⁻⁷ Gy·h⁻¹ to 150·10⁻⁵ Gy·h⁻¹ · CMC 2,2 % position OG-8: 1 — 150·10⁻⁵ Gy·h⁻¹ to 290·10⁻⁴ Gy·h⁻¹ · CMC 2,5 % position OG-8: 3 — 150·10⁻⁵ Gy·h⁻¹ to 290·10⁻⁴ Gy·h⁻¹ · CMC 2,2 % position OG-8: 2 — 290·10⁻⁴ Gy·h⁻¹ to 970·10⁻³ Gy·h⁻¹ · CMC 2,2 % position OG-8: 3 — 290·10⁻⁴ Gy·h⁻¹ to 970·10⁻³ Gy·h⁻¹ · CMC 2,2 % position OG-8: 2 — 970·10⁻³ Gy·h⁻¹ to 9 Gy·h⁻¹ · CMC 2,2 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement on the OG-8 irradiator | VF 1Q-3P2-0101 | |
| 3 | Ambient dose equivalent (H*(10)) / meters of ionizing radiation dosimetry quantities | Calibration – quantities of atomic and nuclear physics 241·10⁻⁹ Sv to 132·10⁻⁸ Sv · CMC 3,9 % 132·10⁻⁸ Sv to 361·10⁻⁷ Sv · CMC 2,2 % 361·10⁻⁷ Sv to 144·10⁻⁵ Sv · CMC 2,5 % 144·10⁻⁵ Sv to 360 Sv · CMC 2,2 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement on the OG-8 irradiator | VF 1Q-3P2-0101 | |
| 4 | Ambient dose equivalent rate (p H*(10)) / meters of ionizing radiation dosimetry quantities | Calibration – quantities of atomic and nuclear physics position OG-8: 4 — 361·10⁻⁹ Sv·h⁻¹ to 144·10⁻⁷ Sv·h⁻¹ · CMC 2,2 % position OG-8: 5 — 361·10⁻⁹ Sv·h⁻¹ to 144·10⁻⁷ Sv·h⁻¹ · CMC 3,9 % position OG-8: 7 — 361·10⁻⁹ Sv·h⁻¹ to 144·10⁻⁷ Sv·h⁻¹ · CMC 4,9 % position OG-8: 4 — 144·10⁻⁷ Sv·h⁻¹ to 855·10⁻⁷ Sv·h⁻¹ · CMC 2,2 % position OG-8: 5 — 144·10⁻⁷ Sv·h⁻¹ to 855·10⁻⁷ Sv·h⁻¹ · CMC 3,9 % position OG-8: 1 — 855·10⁻⁷ Sv·h⁻¹ to 181·10⁻⁵ Sv·h⁻¹ · CMC 2,5 % position OG-8: 4 — 855·10⁻⁷ Sv·h⁻¹ to 181·10⁻⁵ Sv·h⁻¹ · CMC 2,2 % position OG-8: 1 — 181·10⁻⁵ Sv·h⁻¹ to 349·10⁻⁴ Sv·h⁻¹ · CMC 2,5 % position OG-8: 3 — 181·10⁻⁵ Sv·h⁻¹ to 349·10⁻⁴ Sv·h⁻¹ · CMC 2,2 % position OG-8: 2 — 349·10⁻⁴ Sv·h⁻¹ to 117·10⁻² Sv·h⁻¹ · CMC 2,2 % position OG-8: 3 — 349·10⁻⁴ Sv·h⁻¹ to 117·10⁻² Sv·h⁻¹ · CMC 2,2 % position OG-8: 2 — 117·10⁻² Sv·h⁻¹ to 10,8 Sv·h⁻¹ · CMC 2,2 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement on the OG-8 irradiator | VF 1Q-3P2-0101 | |
| 5 | Personal dose equivalent (Hp(10)) / meters of ionizing radiation dosimetry quantities | Calibration – quantities of atomic and nuclear physics 243·10⁻⁹ Sv to 134·10⁻⁸ Sv · CMC 3,9 % 134·10⁻⁸ Sv to 365·10⁻⁷ Sv · CMC 2,2 % 365·10⁻⁷ Sv to 146·10⁻⁵ Sv · CMC 2,5 % 146·10⁻⁵ Sv to 365 Sv · CMC 2,2 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement on the OG-8 irradiator | VF 1Q-3P2-0101 | |
| 6 | Personal dose equivalent rate (p Hp(10)) / meters of ionizing radiation dosimetry quantities | Calibration – quantities of atomic and nuclear physics position OG-8: 4 — 365·10⁻⁹ Sv·h⁻¹ to 146·10⁻⁷ Sv·h⁻¹ · CMC 2,2 % position OG-8: 5 — 365·10⁻⁹ Sv·h⁻¹ to 146·10⁻⁷ Sv·h⁻¹ · CMC 3,9 % position OG-8: 7 — 365·10⁻⁹ Sv·h⁻¹ to 146·10⁻⁷ Sv·h⁻¹ · CMC 4,9 % position OG-8: 4 — 146·10⁻⁷ Sv·h⁻¹ to 863·10⁻⁷ Sv·h⁻¹ · CMC 2,2 % position OG-8: 5 — 146·10⁻⁷ Sv·h⁻¹ to 863·10⁻⁷ Sv·h⁻¹ · CMC 3,9 % position OG-8: 1 — 863·10⁻⁷ Sv·h⁻¹ to 182·10⁻⁵ Sv·h⁻¹ · CMC 2,5 % position OG-8: 4 — 863·10⁻⁷ Sv·h⁻¹ to 182·10⁻⁵ Sv·h⁻¹ · CMC 2,2 % position OG-8: 1 — 182·10⁻⁵ Sv·h⁻¹ to 352·10⁻⁴ Sv·h⁻¹ · CMC 2,5 % position OG-8: 3 — 182·10⁻⁵ Sv·h⁻¹ to 352·10⁻⁴ Sv·h⁻¹ · CMC 2,2 % position OG-8: 2 — 352·10⁻⁴ Sv·h⁻¹ to 118·10⁻² Sv·h⁻¹ · CMC 2,2 % position OG-8: 3 — 352·10⁻⁴ Sv·h⁻¹ to 118·10⁻² Sv·h⁻¹ · CMC 2,2 % position OG-8: 2 — 118·10⁻² Sv·h⁻¹ to 10,8 Sv·h⁻¹ · CMC 2,2 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement on the OG-8 irradiator | VF 1Q-3P2-0101 | |
| 7 | Photon dose equivalent (Hx) / meters of ionizing radiation dosimetry quantities | Calibration – quantities of atomic and nuclear physics 228·10⁻⁹ Sv to 126·10⁻⁸ Sv · CMC 3,9 % 126·10⁻⁸ Sv to 342·10⁻⁷ Sv · CMC 2,2 % 342·10⁻⁷ Sv to 137·10⁻⁵ Sv · CMC 2,5 % 137·10⁻⁵ Sv to 342 Sv · CMC 2,2 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement on the OG-8 irradiator | VF 1Q-3P2-0101 | |
| 8 | Photon dose equivalent rate (p Hx) / meters of ionizing radiation dosimetry quantities | Calibration – quantities of atomic and nuclear physics position OG-8: 4 — 342·10⁻⁹ Sv·h⁻¹ to 137·10⁻⁷ Sv·h⁻¹ · CMC 2,2 % position OG-8: 5 — 342·10⁻⁹ Sv·h⁻¹ to 137·10⁻⁷ Sv·h⁻¹ · CMC 3,9 % position OG-8: 7 — 342·10⁻⁹ Sv·h⁻¹ to 137·10⁻⁷ Sv·h⁻¹ · CMC 4,9 % position OG-8: 4 — 137·10⁻⁷ Sv·h⁻¹ to 810·10⁻⁷ Sv·h⁻¹ · CMC 2,2 % position OG-8: 5 — 137·10⁻⁷ Sv·h⁻¹ to 810·10⁻⁷ Sv·h⁻¹ · CMC 3,9 % position OG-8: 1 — 810·10⁻⁷ Sv·h⁻¹ to 171·10⁻⁵ Sv·h⁻¹ · CMC 2,5 % position OG-8: 4 — 810·10⁻⁷ Sv·h⁻¹ to 171·10⁻⁵ Sv·h⁻¹ · CMC 2,2 % position OG-8: 1 — 171·10⁻⁵ Sv·h⁻¹ to 331·10⁻⁴ Sv·h⁻¹ · CMC 2,5 % position OG-8: 3 — 171·10⁻⁵ Sv·h⁻¹ to 331·10⁻⁴ Sv·h⁻¹ · CMC 2,2 % position OG-8: 2 — 331·10⁻⁴ Sv·h⁻¹ to 111·10⁻² Sv·h⁻¹ · CMC 2,2 % position OG-8: 3 — 331·10⁻⁴ Sv·h⁻¹ to 111·10⁻² Sv·h⁻¹ · CMC 2,2 % position OG-8: 2 — 111·10⁻² Sv·h⁻¹ to 10,3 Sv·h⁻¹ · CMC 2,2 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement on the OG-8 irradiator | VF 1Q-3P2-0101 | |
| 9 | Surface activity of alpha radionuclides (As) / contamination meters | Calibration – quantities of atomic and nuclear physics 7·10⁻¹ Bq·cm⁻² to 2,5·10³ Bq·cm⁻² · CMC 1,4 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement using planar sources of ionizing radiation | VF 1Q-3P2-0102 | |
| 10 | Activity of alpha radionuclides (A) / contamination meters | Calibration – quantities of atomic and nuclear physics 20 Bq to 2·10⁵ Bq · CMC 1,4 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement using planar sources of ionizing radiation | VF 1Q-3P2-0102 | |
| 11 | Surface activity of beta radionuclides (As) / contamination meters | Calibration – quantities of atomic and nuclear physics 2,5·10⁻¹ Bq·cm⁻² to 2,5·10⁶ Bq·cm⁻² · CMC 1,4 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement using planar sources of ionizing radiation | VF 1Q-3P2-0102 | |
| 12 | Activity of beta radionuclides (A) / contamination meters | Calibration – quantities of atomic and nuclear physics 4·10¹ Bq to 2·10⁶ Bq · CMC 1,4 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement using planar sources of ionizing radiation | VF 1Q-3P2-0102 | |
| 13 | Kerma in air (Ka) / meters of ionizing radiation dosimetry quantities | Calibration – quantities of atomic and nuclear physics 8·10⁻² Gy to 2,5·10⁴ Gy · CMC 5,4 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement using a comparator | VF 1Q-3P2-0103 | |
| 14 | Kerma rate in air (p Ka) / meters of ionizing radiation dosimetry quantities | Calibration – quantities of atomic and nuclear physics 5 Gy·h⁻¹ to 2,5·10⁴ Gy·h⁻¹ · CMC 5,4 % CMC for the field of measured quantity: Quantities of atomic and nuclear physics |
Measurement using a comparator | VF 1Q-3P2-0103 | |
Reference standards (3)
VF 1Q-3P2-0101
VF 1Q-3P2-0102
VF 1Q-3P2-0103