[en] The aim of the project was to establish adequacy of different personal dosimeter readings to dose equivalent in the IBR-30 reactor beam with well defined neutron flux density and energy spectra in a wide energy range of 0.01 eV up to 15 MeV. The irradiation was performed with neutrons in a low backscatter environment, the dosimeters being arranged not only on a tissue equivalent phantom but also free in air. The results obtained with different dosimeters witll be compared and related to those of the reference monitors. Recombination ionization chamber and activation detectors were used as reference monitors. The comparison has shown the discrepancy between the results obtained with the personal dosimeters and those of the reference monitors. The main underestimation of the film badge readings is due to the Pu+Be source incorrectly used as a calibration source