Calibration laboratory

OB34

OB20

Gamma irradiation facilities OB20 and OB34

  • Cs-137 and Co-60 source
  • Traceability to primary standards
  • Calibration and legal verification of dose and dose rate meters
  • Irradiation of materials and dosimeters 
Dose rate range: 150 nSv/h to  Sv/h
Measured quantities: H*(10), Hp(10), Hp(0.07), Ka
Expanded uncertainties (k=2): approx. ±4% to ±5%
Röntgen

X-ray irradiation facility

  • 320 kV X-ray facility
  • Traceability to primary standards
  • Calibration of dose and dose rate meters
  • Irradiation of materials and dosimeters 
Reference spectrum according to ISO-4037 (2019): Narrow Series, N-15 bis N-300
Maximum dose rate depending on beam quality: 2 mSv/h to approx. 130 mSv/h (Hp(10))
Measured quantities: H*(10), Hp(10), Hp(0.07), Ka
Expanded uncertainties (k=2: approx. ±4% to ±5%
AmBeCf

Neutron irradiation facilities

  • 252Cf, 252Cf (D20-moderated) and 241Am-Be
  • Traceability to primary standards
  • Calibration of dose and dose rate meters
  • Irradiation of materials and dosimeters
Dose rate range: 20 µSv/h to 1 mSv/h
Measured quantities: H*(10), Hp(10)
Expanded uncertainty (k=2): approx. ±7% to ±10%
OKM

Wide area reference sources

  • Alpha (241Am), beta (14C, 99Tc, 36Cl, 90Sr/90Y), and gamma (55Fe, 129I, 57Co, 137Cs, 60Co) large area reference sources certified for surface emission rates.
  • Determination of calibration factors for about 200 nuclides
  • Expanded uncertainties (k=2) from ±5% - ±10%.
  • Calibration of surface contamination measuring instruments according to the method described in the standard ISO-7503-3, Annex A
Phantom_SD

Phantom_IGOR

Whole body and thyroid phantoms

  • Phantoms for calibration of triage and incorporation monitors