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 Electronic Personal Dosimeters
PERSONAL DOSIMETERS AT2503 AND AT2503A

Features:

  • Simultaneous wide-range gamma radiation dose and dose rate measuring
  • Proof aginst impacts and vibrations, dust and water, electromegnetic-resistant
  • Continuous self-testing of detector and cells discharge
  • Audible and visual alarm
  • Stand-alone or system application
  • Pocket-sized and light weight
  • Pulsed x-ray radiation alarming mode, pulse duration > 10 ns

Application:

  • Nuclear industry
  • Nuclear medicine
  • Radiology
  • NDT
  • Emergency
  • Civil aviation
  • Scientific research
  • Population dose burden monitoring
The dosimeters are intended to measure personal equivalent x-ray and gamma radiation dose and dose rate in the energy range from 50 keV to 1.5 MeV. The detector is GM-tube with the energy compensative filter. Microprocessor processing and proper background detection ensure high accuracy of dose measurement within the wide dose rate measuring range. The microprocessor controls operation modes over, calculates, outputs data on a backlit LCD and performs self-testing. The nonvolatile memory keeps the accumulated dose and its accumulation history when the dosimeter is off. The dosimeter is calibrated on a water phantom of 30 x 30 x 15 cm. The dosimeter is designed to be carried in a breast pocket. It complies with ISO4037-3 International standard requirements.
The dosimeter can operate singly or in a dosimetry control system: dosimeter - reader - PC. The dosimeter connects to the reader via IR channel, and the reader connects to PC via RS232. The dosimeter software is intended to:
  • Read/setup personal and serial dosimeter numbers;
  • Change dose and dose rate thresholds;
  • Disable/enable to change dosimeter thresholds by the dosimeter button;
  • Change the dose accumulation interval in the range from 1 to 255 min and evaluate accumulated dose for each time interval within a work shift;
  • Save automatically up to 800 dose values in the nonvolatile memory accumulated for the selected accumulation interval;
  • Reset accumulated dose;
  • Disable/enable to reset accumulated dose by the dosimeter button;
  • Save automatically data in the data base and print them.
The operation modes are "Dose ", "Dose rate ", "Economical", "Menu", "Reset dose", "Dose threshold", "Dose rate threshold" and "Data exchange with PC".


Additional informations:

Complete set: personal dosimeter, cells, chain with a clamp, plastic boxes for easy decontamination, Manual and package.
The reader and applied software and AT2503 and AT2503A modifications with the operating temperature range from-30 to +600? and the optional pulsed x-ray radiation alarming mode are supplied on additional order.
The personal dosimeters AT2503 and AT2503A have pattern approval certificates of Republic of Belarus, Russian Federation, Ukraine, Kazakhstan and Lithuania.
They comply with IEC 61283 International standard requirements. They also conform with the 89/33/EEC Directive complying with EN 55022 B:1998 and EN 55024 B: 1998 stansdard requirements.

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