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Vehicle radiation monitor KSAR1U.041 and its modifications KSAR1U.041-01, KSAR1U.041-02 and KSAR1U.041-05 are intended for detection of unauthorized transportation of nuclear materials and radioactive substances in cargo and railway transport, have the height of controllable space 3.8 m and differ in number and a type of detection blocks.

Model KSAR1U.041 is a base model of "RUBEZH" set, is intended for the registration of gamma-neutron radiation, consists of two measuring columns located on both sides of a roadway and remote signalling indicators.
Scheme

Characteristic KSAR1U.041 KSAR1U.041-01 KSAR1U.041-02 KSAR1U.041-05
Height of controllable space, m 3.8 3.8 3.8 3.8
Number of measuring columns 2 2 2 1
Registration of gamma radiation Yes Yes Yes, heightened Yes
Registration of neutrons Yes No No Yes
Probability of false alarms 1:4000 1:4000 1:4000 1:4000
Threshold of gamma detection
          235U metal, a sphere, gr 250 250 200 640
          133Ba, kBq 270 270 200 380
          137Cs, kBq 300 300 230 420
          60Co, kBq 160 160 130 225
Threshold of neutron detection
          252Cf, kBq 81 - - 120

Transport radiation monitors "RUBEZH"
   ¤ KSAR1U.041
   ¤ KSAR1U.041-01
   ¤ KSAR1U.041-02
   ¤ KSAR1U.041-03
   ¤ KSAR1U.041-04
   ¤ KSAR1U.041-05
Pedestrian radiation monitors "DOZOR"
   ¤ KSAR1U.031
   ¤ KSAR1U.031-01
   ¤ KSAR1U.031-02
Portable radiation monitors
   ¤ KSAR1U.06
   ¤ IR-560
Radiometric detection blocks
   ¤ ASRKB1U.08
   ¤ ASRKB1U.08-01
   ¤ ASRKB1U.09
   ¤ ASRKB1U.14
   ¤ ASRKB1U.14-01
Spectrometric detection blocks
Automated system of radiation control
   ¤ KSAR1U

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