SPECTRA (nowa generacja)

SPECTRA (nowa generacja)

Dozymetr radiometr poszukiwawczy МKS-11GN

  • Highly-sensitive and compact SPRD
  • Complies with the ANSI 42.48 & ANSI 42.32, ANSI 42.33
  • State Sanitary-Epidemiological Conclusion # 05.03.02-04/66343 as of June 21, 2011
  • ТУ У 33.2-22362867-021:2011
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Opis

Przyrząd wyskokiej czujności i małego rozmiaru, dla wykrywania, lokalizacji oraz identyfikacji materiałów radioaktywnych i jądrowych według ich zewnętrznego promieniowania gamma i neutronowego oraz amplitudowego widma promieniowania gamma. SPECTRA identyfikuje radionuklidy z zaznaczeniem kategorii, do której one należą (zgodnie z wymaganiami MAEA). Stosuje się w celu zapobiegania ich bezprawnemu przemieszczeniu przez granice państwowe, a także na przedsiębiorstwach i w urzędach, w których wykonują prace ze źródłami promieniowania gamma i promieniowania neutronowego.

Nowy algorytm poszukiwawczy zabiezpiecza wysoką czujność przyrządu i natychmiastowe uruchamianie przy najmniejszej zmianie poziomu tłowego gamma czy neutronowego. Scyntylator z fotopowielaczem krzemowym nowego typu zabiezpiecza wysoką stabilność temperaturową przyrządu, a także całkowicie wuklucza „efekt mikrofonowy”.

Przyrząd jest nadzwyczajnie wygodny w użyciu dzięki jego malym rozmiarom, dużemu kolorowemu wyświetlaczu i możliwości ciąglej pracy przez ponad 200 godzin w stanie włączonym.

Przeznaczenie

Przeznaczenie

  • Identification of the radionuclides type by their amplitude gamma spectra.

  • Determination of gamma and neutron radiation intensity.

  • Measurement of ambient dose equivalent rate of gamma and X-ray radiation (photon ionizing radiation DER).

  • Indication of ambient dose equivalent rate of neutron radiation (neutron ionizing radiation DER).

  • Measurement of gamma and X-ray radiation ambient dose equivalent (DE).

  • Saving amplitude gamma spectra and events logs in the nonvolatile memory.

Właściwości

  • New generation high sensitivity CsI scintillation detectors of gamma and LiI of neutron radiation with solid state (silicon) photomultiplier.

  • Color display with high resolution.

  • Storage and transfer of 250 complete gamma radiation spectra.

  • Powerful CPU and improved algorithms for spectra processing.

  • New software for detailed laboratory research and spectra processing.

  • Integrated GPS/GLONASS-receiver.

  • No “microphone effect”.

  • High thermal stability.

  • Powered by built-in lithium polymer storage batteries that can be charged via USB-cable.

  • The dosimeter communicates with a PC via USB-port.

  • Real-time identification of spectra.

  • Identification of radionuclides with specification of the categories they belong to (in compliance with IAEA requirements):

    – medical radionuclides: 18F, 67Ga, 51Cr, 75Se, 89Sr, 99Mo, 99mTc, 103Pd, 111In, 123I, 125I, 131I, 153Sm, 201Tl, 133Хе;

    – industrial radionuclides: 57Co, 60Co, 133Ba, 137Cs, 192Ir,152Eu, 22Na, 241Am;

    – special nuclear materials: 233U, 235U, 237Np, Pu [Reactor grade plutonium (more than 6% 240Pu)];

    – naturally occurring radioactive materials: 40K, 138La, 226Ra, 232Th-decay series, 238U-decay series.

    Note. The list of nuclides the device is able to identify may be extended if needed.

  • Threshold alarm system with four independent threshold levels:

    – search threshold level (threshold level of count rate from the detector photon and neutron ionizing radiation);

    – safety threshold level (threshold level of photon ionizing radiation DER);

    – accumulated dose threshold level.

  • Light color alarm (indication) of threshold levels exceeding (gamma radiation – red color, neutron – blue) and visual alarm on the side of the device.

  • Ingress protection rating IP67.

  • Sample of Th232 (Thorium) is included into the Delivery kit for detector age compensation.

Podstawowe charakterystyki techniczne

Gamma radiation sensitivity for 137Cs, not less than cps/(µSv/h) 200
Neutron radiation sensitivity for:
– thermal neutrons, not less than pulse·cm2/neutron 1.2 ± 0.12
– fast neutrons, not less than pulse·cm2/neutron 0.120 ± 0.012
Measurement range of photon-ionizing radiation DER 0.01 µSv/h … 1 Sv/h
Indication range of neutron radiation DER 0.01 µSv/h … 10 mSv/h
Measurement range for Gamma and X-ray radiation ambient dose equivalent 0.1 µSv … 10 Sv
Indication range of photon-ionizing radiation count rate cps 1 … 25000
Indication range of neutron radiation count rate cps 0.01 … 25000
Main relative permissible error limits of photon-ionizing radiation DER measurement with confidence probability of 0.95 (137Cs) % ±(15+1/H*(10)), where H*(10) is a numeric value of measured DER equivalent to μSv/h
Energy range of registered photon-ionizing radiation MeV 0.02 … 3.00
Energy dependence of the device readings during photon-ionizing radiation DER measurement in the energy range from 0.05 to 3.00 MeV relative to 0.662 MeV energy (137Cs) % ±25
Energy range of registered neutron radiation from 2,5·10-8 to 14 MeV
Number of amplitude gamma spectrum channels channel 2048
Setup time of operating mode of the device, not more than min 1
Calibration time relative to gamma background s 2 … 60
Response time for photon-ionizing radiation DER variation greater than 10 times s 0.25
Operating supply voltage of the dosimeter from Li-Ion  storage battery V 3,7
Time of continuous operation with fully charged storage batteries under conditions of normal background radiation with switched off display backlight, not less hours 200
Operating temperature range °С -20 … +50
Dimensions of the dosimeter, not more than mm 67 х 126 х 30
Weight of the dosimeter, not more than kg 0.28

 

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Certyfikaty

  • Certificate of Type Examination UA-TR.113-0298-19 dd. January 28, 2019

  • Certificate of Conformity of Measuring Instruments with Approved Type No. UA-TR.113-0298-19 dd. January 28, 2019

  • Declaration of Conformity

Certificate of Type Examination

Learn more about the Certificate here

Zestaw

  • Search Alarm Dosimeter MKS-11GN “SPECTRA”;
  • charger;
  • operating manual;
  • software;
  • packing case;
  • sample Th232 (Thorium).

Software

Is used for:
  • reading measurement results and critical events from the dosimeter memory into the PC;
  • report preparation and printout;
  • display of the obtained dosimetric information with the GPS-coordinates on the area map;
  • display of the accumulated spectra.
erty