AT3509
2Pages

Monitoring of individual exposure doses from X-ray and gamma radiation with energy range from 15 keV to 10 MeV Applications ■ Radiation protective measures in case of nuclear disasters ■ Roentgenology ■ Therapeutic radiology ■ Nuclear medicine ■ Electronics (Ion implanters) ■ Accelerating installations ■ Nuclear research activities ■ X-ray Crystallography and X-ray fluorescence spectroscopy, electronic microscopy Features ■ Silicone planar detector ■ Zero intrinsic background Pocket-size wide-range intelligent devices, ideally matching accuracy, functionality, user friendliness, reliability and price. Dosimeter with reader, which is connected to PC, and software suite make an efficient automatic system for staff radiation exposure monitoring. Operating principle Primary dosimeter function is to measure Hp(10), Hp(0.07) individual dose equivalent, and the secondary one is to measure Hp(10), Hp(0.07) dose rate of continuous X-ray and gamma radiation. Dosimeters provide dose range measurement in 7.5-order range and have individual sound and LED alarm function. Microprocessor operation mode management, data processing, display on TFT screen and self-check function. Accumulated dose data and dose accumulation history is saved in nonvolatile memory when the device is powered off. ■ Simultaneous measurement of visceral radiation exposure Hp(10) and skin radiation exposure Hp(0.07) - AT3509B and AT3509C in wide range of dose rates ■ Compensating filter and electrical energy dependence correction ■ Resistance to impacts and vibration, dust-and-moisture-proof, tolerance to electromagnetic interference ■ Repeating impact protection (so called "Microphone effect") ■ Parameter self-check ■ Can be integrated into a system or used separately ■ Low weight and small size ■ Calibrated with water phantom ISO 30x30x15 cm ■ Dosimeter-to-PC communication via IR-transmitter in reader INSTRUMENTS AND TECHNOLOGIES FOR NUCLEAR MEASUREMENTS AND RADIATION

Intrinsic relative error of dose measurement ±15% max. without associated beta radiation Intrinsic relative error of dose rate measurement 0.1 jSv/h...1 jSv/h 1 jSv/h...1 Sv/h 1 Sv/h...5 Sv/h (AT3509C) ±30% max. ±15% max. ±(15 + 0.001 Hp)% max., where Hp is dose rate in jSv/h E, MeV Normal energy relationship between AT3509B Dosimeter sensitivity and 137Cs gamma radiation energy of 662 keV Energy dependence relative to 662 keV (137Cs) Hp(10) in the following energy range 15 keV...1.5 MeV ±25% Hp(0.07) in the following energy range (AT3509B,C) 15 keV...300 keV ±30% Alarm thresholds 1...