AT1117M Radiation Monitor (Neutron Dosimeter)
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AT1117M Radiation Monitor (Neutron Dosimeter) - 1

NEUTRON DOSIMETER AT1117M Radiation Monitor Consisting of: ▪ BDKN-03 Neutron radiation smart probe ▪ PU2 Processing unit This configuration of Radiation monitor is a hand-carried measurement instrument and is designed to measure neutron radiation ambient dose equivalent rate and ambient dose equivalent, as well as to simultaneously monitor gamma radiation ambient dose equivalent rate and ambient dose equivalent. Specification . Gamma radiation (γ) Neutron radiation (n) . Geiger-Muller counter tube 3 He proportional counter in polyethylene moderator Energy range . 60 keV ... 3 MeV PU2 (γ) 0.025 eV ... 14 MeV BDKN-03 (n) Measurement range of ambient radiation . dose rate equivalent . 1 µSv/h ... 10 mSv/h PU2 (γ) 0.1 µSv/h ... 10 mSv/h BDKN-03 (n) Measurement range of ambient radiation . dose equivalent . 1 µSv ... 1 Sv PU2 (γ) 0.1 µSv ... 10 Sv BDKN-03 (n) Energy dependence relative -25%...+35% (for energy range from 60 keV to 3 MeV) to 662 keV (137Cs) [PU2 (γ)] Sensitivity to 137Cs gamma radiation [PU2] 1.0 cps/µSv·h-1 Sensitivity to Pu-Be neutron radiation 0.355 cps/µSv·h-1 [BDKN-03] Neutron flux density measurement range 0,1 – 104 neutron·s-1·cm-2 [BDKN-03] Neutron fluence measurement range 1 – 3·106 neutron·cm-2 [BDKN-03] Sensitivity to Pu-Be neutron radiation 1.5 cps/(neutron·s-1·cm-2) [BDKN-03] Limit of intrinsic relative measurement ±20% error Continuous run time ≥24 h Working temperature range -30°С ... +50°С IР64 Protection class Integrated rechargeable battery pack; +12V external power supply unit; Power supply 220 V 50 Hz external power supply unit . Overall dimensions, weight 200х85х36 mm, 0.5 kg PU2 314х220х263 mm, 7.8 kg BDKN-03 Registered radiation type PU2 BDKN-03 Detector PU2 BDKN-03 Radiation monitor meets requirements of the following International standards: IEC 60846-1:2009, IEC 60846-2:2007, IEC 60325:2002, IEC 61005:2003, and the following safety standards: IEC 61010-1:1990, and Electromagnetic compatibility requirements of: EN 55022:1998+A1:2000+A2:2003, EN 55024:1998+A1:2001+A2:2003 Radiation monitor has been added to state registries of approved measurement instruments of Republic of Belarus, Russian Federation, Ukraine, Kazakhstan, Uzbekistan, Azerbaijan and Turkmenistan. Design and specifications are subject to change without notice Operating principle BDKN-03 Smart probe sends data to PU2 Processing unit, where it is displayed on a big LCD-screen. Operator can manually record measurement results. Operation algorithm provides measurement continuity and real time statistical processing of measurement results. Application ▪ Dosimetric monitoring in Nuclear Power Plants, manufacturing facilities, research laboratories, medical institutions, etc. Features ▪ Quick accommodation to changes in radiation level ▪ Wide energy range ▪ Sound and visual alarm of exceeded threshold level ▪ Performance self-check ▪ Measurement results can be written and stored in nonvolatile memory of Radiation monitor ▪ Operation in harsh weather conditions Relative sensitivity coefficients for standard neutron radiation sources with different energies for ambient dose equivalent rate measurement Relative sensitivity coefficients for standard neutron radiation sources with different energies for flux density measurement n-radiation source Thermal, En=0.025 eV Ra-Be, En=100 keV 252 Cf, En=2.13 MeV Pu-Be, En=4.16 MeV n-radiation source Thermal, En=0.025 eV Ra-Be, En=100 keV 252 Cf, En=2.13 MeV Pu-Be, En=4.16 MeV

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