Radioactive sources and X-ray machines are available for the calibration and verification of instruments and detectors and for irradiation of samples with accurately known dose-rates and doses.

The radiation fields are calibrated and serve as the primary standards in Hungary.

	Radiation Source	Source strength	Dose-rate	Irradiation space or beam size [ mm ]
Gamma	Co-60		20 Gy/h at 1 m	Ø113
Gamma	Cs-137		0.5 Gy/h at 1 m	Ø220
X-ray	X-ray machines (Philips MCN 165/321) 10-320 kV		few Gy/h at 1 m filtered (Al, Cu, Pb)	Ø113