The Dosimetry Laboratory of IBA Dosimetry offers calibration of dosimeters used in radiation therapy and diagnostic radiology according to the recent dosimetry codes of practise in wide range of radiation quantities and qualities. We are Dosimetry Laboratory accredited by DKD and member of the IAEA/WHO SSDL Network.
Usually we perform the standard method, which means factory calibration. Upon request, we can offer you SSDL (DKD) calibration, too. The entire scope of the services offered by the Dosimetry Laboratory is accredited according the ISO 17025:2005 standards.
Ionization chambers and electrometers are calibrated at IBA Dosimetry Dosimetry Laboratory by the substitution method using our reference standards calibrated at the PTB-Braunschweig (German Federal Institute of Physics and Metrology). The Dosimetry Laboratory is participating in intralaboratory comparisons organized by recognized dosimetry laboratories to verify declared level of performance.
Calibrations for the following measuring quantities are available:
- Absorbed dose to water Dw, 1 mGy – 20 Gy (X-rays, 20 up to 280 kV, and Cobalt 60)
- Air Kerma Ka, 1 mGy – 20 Gy (X-rays, 20 up to 280 kV, and Cobalt 60)
Environmental conditions:
- Reference air pressure: 1013 hPa
- Temperature: 20 °C
The stated uncertainties corresponds to the double standard deviation (k = 2).
Beam Qualities
We perform calibrations for the following beam qualities:
Dosemeters for Radiation Therapy
- X-rays 50,70,100, 120, 140, 150, 200, 250, 280 kV (TH qualities according to DIN 6809-5)
- X-rays 20, 30, 40, 50, 70, 100 kV (TW qualities according to DIN 6809-4)
- Cobalt 60 (1.3 MeV)
Dosemeters for Diagnostic Radiology
- X-rays 40, 50, 60, 70, 80, 90, 100, 120, 150 kV Conventional x-ray (no CT) (RQR and RQA qualities according to IEC 61267)
- X-rays 25, 30, 35 kV Mammography (Mo anode, Mo window with or without filtration 2 mm Al)
Miscellaneous services
- MTK (Messtechnische Kontrolle) for therapy dosemeters up to 1.33 MV, valid for Germany only
- Electrical measuring quantities charge (C) and current (A) measured by highly sensitive electrometers
- Long term irradiation (Cobalt 60) for testing issues
Detailed information about beam qualities.