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Dosimeter-radiometer MKS-2001

  • General date
  • Technical characteristics
  • Modifications
  • Dosimeter-radiometer MKS-2001 is multifunctional stationary device with digital display readings, microprocessor control and the ability to connect exchangeable detection units (devices) BDMG-04, UDZhG-01, UDGB-01, BDMG-101, BDMN-100, shielded cable connected to the measurement unit BOI-12 or BOI-12-01. Alarm unit BIC-17 (supplied by customer request) is designed to duplicate the light and sound signals of the measured value exceeds the specified thresholds. It is used for radiation monitoring in institutions where the works with radioactive materials and other radiation-dangerous sources of ionizing radiation.

    Detection unit (device) converts the measured physical quantity into a sequence of pulses at the output. The signals from the unit (device) detection to the input unit of measurement, where they are processed.

    Dosimeter-radiometer provides a setting of two thresholds of the alarm - a warning threshold and an emergency threshold. Threshold alarm is indicated by elements of light and sound alarm. Light and sound alarm threshold is made to display the elements of green, yellow, red and sound alarm installed on the unit of measurement BOI-12.

    Depending on the factors set the settings, if the threshold is exceeded the audio alarm. Every fact trigger threshold alarms recorded in the log. When you turn on dosimeter-radiometer automatically identifies the type of the connected detection unit (device).

    Unit of measurement BOI-12 is designed for:
    - counting of electrical impulses coming from the detection unit is connected;
    - determine the average count rate of input pulses;
    - calculation of measurement results obtained on the basis of the average count rate of the pulse sequence input;
    - LCD output measurement results;
    - issue of light and sound signals in excess of specified thresholds (warning and emergency);
    - supplying power to the detection unit;
    - recording and storing data in the logs;
    - transmitting and receiving information via RS-232 and RS-485.

    In the period from 15.11.03 till 15.06.04on the base of Kharkov State Scientific-Research Institute of Metrology, with the participation of the Dnepropetrovsk State Center for standardization, metrology and certification were conducted governmental acceptance testing of the dosimeter-radiometer MKS-2001. Based on the positive results of state acceptance testing, December 9, 2004 the company "Positron" was issued Certificate of type approval of measuring instruments number UA-MI/1p-1581-2004 the State Committee for Standardization, Metrology and Certification of Ukraine.

  • Power supply dosimeter-radiometer (for performances 01,02,05-09,20-26)
    - by AC voltage, V
    - frequency, Hz


    from 187 to 242
    50 ± 1

    The nominal value of supply voltage (for performances 01,02,05-09,20-26), V 220
    Dosimeter-radiometer (for performances 10,11,14-19) is powered from a DC source voltage, V +12(±0,5)
    Current consumption (for performances 10,11,14-19) at rated voltage of 12 V, mA not more 100
    The power consumed by a dosimeter-radiometer
    for models 20,21,24, VA

    not more 100
    not more 160

    Operation mode setup time dosimeter-radiometer, min
    for the MKS-2001 modifications 02,05,06,07,09,11,16,17
    for the MKS-2001 modifications 01,08,10,14,15,18,20,21,22,23,24,25,26


    not more 10
    not more 30

    Continuous operation time of the dosimeter-radiometer, hours a day not less 24
    Instability of readings for continuous operational time 24 hours, % not more 5
    Mean time to failure of the dosimeter-radiometer, h not less 10000
    Average lifetime of the dosimeter-radiometer with the replacement of individual modules and components, worn out, years not less 10

    Operating conditions:

    Environment temperature for BOI-12 and BIC-17, °С from +5 to +50
    The rate of temperature change, °С/h not more 5
    The upper value of relative humidity (at + 50 ºС), %
    limiting relative humidity (at +50 ºC)
    75
    100
    Atmospheric pressure, kPa from 54 to 540
  • When you connect the corresponding detection unit radiometer measures the equivalent dose rate of gamma radiation in areas with low (BDMG-04) and high (BDMG-101) dose rate, equivalent dose of neutron radiation (BDMN-100), volume activity of gamma-emitting nuclides in the liquid (UDZHG-01).

    Modification 01

    Dosimeter-radiometer MKS-2001 with the detection unit BDMG-101 is designed to measure the equivalent dose of gamma radiation in areas with a high dose.

    Technical specifications of the detection unit BDMG-101

    Energy range of gamma radiation, MeV from 0,05 to 3,0
    Measurement range of equivalent dose of gamma rays, mSv/h from 3∙10-4 to 2∙102
    Maximum permissible relative error of measurement equivalent dose of gamma radiation at a confidence level of 0.95 max, % ± 25
    Changeing of sensivity of dosimeter-radiometer with detection unit BDMG-101 at a constant dose rate according to the detected radiation in the energy range from 0.05 to 1.25 MeV is not more 30 % from the value obtained from the working reference source of 137Cs

    Modification 02, 05, 11, 16*

    Dosimeter-radiometer MKS-2001 with the detection unit BDMN designed to measure equivalent dose of neutron radiation

    Technical specifications of the detection unit BDMN

    Energy range of neutron radiation, MeV from 0,025 to 10,0
    Measurement range of equivalent neutron dose, mSv/h from 0,1 to 100
    Maximum permissible relative error of measurement equivalent dose of neutron radiation at a confidence level of 0.95%, max ± 25
    Sensitivity to radiation detection unit Pu-Be source at least 0.45 imp/s at 1 μSv/h.

    * - Modification 05 is composed of measurement unit BOI-12-01 for connection to an analyzer AMP-12 "Pulse-1A";
    * - Modification 11 and 16 is composed of measurement unit BOI-12-01 with +12 V power;
    * - Modification 11 is supplied without the cooler to the detection unit BDMN.

    Modification 06, 07, 09, 17*

    Dosimeter-radiometer MKS-2001 using the detection unit BDMG-04 is designed to measure the equivalent dose of gamma radiation measurements in a broad sense, from the background level.

    Technical specifications of the detection unit BDMG-04

    Energy range of gamma radiation, MeV from 0,05 to 3,0
    Measurement range of equivalent dose of gamma rays, Sv/ h from 0,05 to 10
    The sensitivity of the detection unit in the calibration of an exemplary radionuclide 137Cs, not less than:
    - BDMG-04 (sensitive channel), s-1/(μSv∙h-1);
    - BDMG-04 (coarse channel), s-1/(μSv∙h-1);
     

    4,0
    8,0
    Energy dependence of the sensitivity of the detection unit BDMG-04 relative to the energy of 662 keV gamma-ray of a radionuclide 137Cs not more ± 25 %

    * - Modification 07 is composed of unit measurement BOI-12-01;
    * - Modification 09 is composed of "smart" detection unit BDMG-04;
    * - Modification 17 is composed of measurement unit BOI-12-01 with +12 V power.

    Modification 08

    Dosimeter-radiometer MKS-2001 using the detection unit BDMG-04-02 is designed to measure the equivalent dose of gamma radiation.

    Technical specifications of the detection unit BDMG-04-02

    Energy range of gamma radiation, MeV

    from 0,05 to 3,0

    Measurement range of equivalent dose of gamma rays, Sv/h from 0,04∙10-6 to 4∙10-3

    Energy dependence of the sensitivity of the detection unit BDMG-04 relative to the energy of 662 keV gamma-ray of a radionuclide 137Cs not more ± 25 %

    Modification 10, 18*

    Dosimeter-radiometer MKS-2001 (with detection device UDZhG-01-01) designed to measure the volume activity of radionuclides of gamma radiation in a liquid. The composition of UDZHG-01-01 includes detection unit BDPG-01 and a mounting kit. In UDZHG-01-01, unlike UDZHG-01 is used only main channel with detection unit BDPG-01. Compensation channel at UDZHG-01-01 is absent.

    Technical specifications of the detection unit UDZhG-01-01

    Measurement range of radionuclides volume activity of gamma radiation in a liquid, Bq/m3 from 2∙103 to 1∙108
    Maximum permissible relative error in measuring of volumetric activity gamma-ray radionuclide137Cs in a liquid (at P = 0.95), % 30
    Energy range of gamma radiation, MeV from 0,1 to 3,0
    Sensitivity SV in measuring the volume activity of gamma-radiation of the radionuclide 137Cs in a liquid, m3 from 1,26∙10-3 to 2,34∙10-3
    Sensitivity SТ when measuring the activity in the range of 103 Bq to 106 Bq working reference source type OSGI with a radionuclide 137Cs, located at a distance 0,12 m from the front of the detection unit from 1,12∙10-2 to 2,08∙10-2

    *Note: The modification 10 differs from the modification 8 of the presence of RS485 interface

    Modification 14

    Dosimeter-radiometer MKS-2001 (with the device detection UDZHG-01-02) designed to measure the volume activity of radionuclides of gamma radiation in a liquid. The composition of UDZHG-01-02 includes two detection unit BDPG-01 (primary and compensatory) in the lead shield. The basic detection unit BDPG-01 is installed in the measuring chamber. Dosimeter-radiometer MKS-2001 (hereinafter - the dosimeter-radiometer) is used to control the liquid process environments in the radiation safety control equipment at nuclear power plants (NPP). Dosimeter-radiometer can be used to replace the detection device UDZHG-04R when upgrading radiation control safety equipment.

    Technical specifications of the detection unit UDZhG-01-02

    Measurement range of radionuclides volume activity of gamma radiation in a liquid, Bq/m3 от 2,0∙104 до 1,0∙109
    Maximum permissible relative error in measuring of volumetric activity gamma-ray radionuclide137Cs in a liquid (at P = 0.95), % 35
    Energy range of gamma radiation, MeV от 0,1 до 3,0
    Sensitivity SV in measuring the volume activity of gamma-radiation of the radionuclide 137Cs in a liquid, m3 от 1,47∙10-4 до 2,74∙10-4
    Sensitivity SТ when measuring the activity in the range of 103 Bq to 106 Bq working reference source type OSGI with a radionuclide 137Cs, located at a distance 0,12 m from the front of the detection unit 1,6∙10-2

    Modification 15

    Dosimeter-radiometer MKS-2001 (with the detection device UDZHG-01-03) designed to measure the volume activity of radionuclides of gamma radiation in a liquid. The composition of UDZHG-01-03 includes two (main and compensation) of the detection unit BDPG-01-01. Detection units installed in the lead shield. Detection units BDPG-01-01 of main and compensation channels are installed in the measuring chamber (from the lead shielding). Dosimeter-radiometer MKS-2001 is used to control the liquid process environments in the radiation safety control equipment at nuclear power plants (NPP). Dosimeter-radiometer can be used to replace the detection device UDZHG-06R when upgrading radiation safety control equipment.

    Technical specifications of the detection unit UDZhG-01-03

    Measurement range of radionuclides volume activity of gamma radiation in a liquid, Bq/m3 from 1,0∙105 to 1,0∙1010
    Maximum permissible relative error in measuring of volumetric activity gamma-ray radionuclide137Cs in a liquid (at P = 0.95), % 30
    Energy range of gamma radiation, MeV from 0,1 to 3,0
    Sensitivity SV in measuring the volume activity of gamma-radiation of the radionuclide 137Cs in a liquid, m3 from 0,87∙10-5 to 1,61∙10-5
    Sensitivity SТ when measuring the activity in the range of 103 Bq to 106 Bq working reference source type OSGI with a radionuclide 137Cs, located at a distance 0,12 m from the front of the detection unit from 2,59∙10-3 to 4,82∙10-3

    Modification 20, 22*

    Dosimeter-radiometer MKS-2001 modification 20 and 22 designed to measure the volume activity of radioactive noble gases. Dosimeter-radiometer used to measure the volume activity of inert radioactive gases (IRG) in the radiation safety control equipment at nuclear power plants (NPP).The composition of UDGB-01 are sensitive detection units BDPB-08 (primary channel) and BDPB-08-04 (compensatory channel) and the measuring chamber is set to lead the defense. Dosimeter-radiometer with detection device UDGB-01 can be used to replace the device detection UDGB-08 in the modernization of radiation safety control equipment.

    Technical specifications:

    Measurement range volume activity IRG, Bq/m3 from 7,4 ×103 to 5,2 ×109
    Maximum permissible relative error in measuring volume activity IRG (at P = 0.95) is,% 35
    Sensitivity SV in measuring the volume activity of IRG 85Kr, m3 from 3,9∙10-5 to 8,1∙10-5
    Sensitivity SТ when measuring the flux density of the working reference source of beta radiation from radionuclides 90Sr+90Y, s-1∙min-1∙сm-2
    for the detection unit BDPB-08
    for the detection unit BDPB-08-04


    from 0,455 to 0,945
    from 0,26 to 0,54
    The level of own background in the air (at ambient equivalent dose of gamma radiation does not exceed 0.2 mSv/h) for the detection unit BDPB-08 and BDPB-08-04, sec-1 not more 2
    Own background level of detection units BDPB-08 and BDPB-08-04, installed in the lead shield (at ambient equivalent dose of gamma radiation does not exceed 0.2 mSv/h), sec-1 not more 1
    Energy range of gamma radiation, MeV from 0,3 to 3,0

    * - dosimeter-radiometer MKS-2001 modification 20 includes pumping unit BN-01.

    Weight and dimensions of the dosimeter-radiometer MKS-2001 modification 20, 22:

    Modifications Dimensions, mm, not more Weight, kg, not more
    Width Height Depth
    20 (with UDGB-01 with a lead shield and pumping unit BN-01) 650 880 360 75
    22 (with UDGB-01 with a lead shield) 705 640 540 140

    Modification 21, 23*

    The dosimeter-radiometer MKS-2001 21 and 23 with the device detection UDGB-01-01 designed to measure the volume activity of inert radioactive gases (IRG). The detection device UDGB-01-01 includes rough detection unit BDPB-08-01 (primary channel), BDPB-08-02 (back-channel) and the measuring chamber is installed in the lead shield. Dosimeter-radiometer MKS-2001 with the detection device UDGB-01 is used to measure the volume activity of IRG in the radiation safety monitoring equipment at nuclear power plants. Dosimeter-radiometer with detection device UDGB-01-01 can be used to replace the detection device UDGB-05.

    Technical specifications:

    Measurement range volume activity IRG, Bq/m3 from 3,7 ×108 to 1,1 ×1013
    Maximum permissible relative error in measuring volume activity IRG (at P = 0.95),% 35
    Sensitivity SV in measuring the volume activity of RNG 85Kr, m3 from 4,55∙10-9 to 9,45∙10-9
    Sensitivity SТ when measuring the flux density of the working reference source of beta radiation from radionuclides 90Sr+90Y, s-1∙min-1∙сm-2
    for the detection unit BDPB-08
    for the detection unit BDPB-08-04


    from 0,47∙10-2 to 0,99∙10-2
    from 0,455 to 0,945
    from 0,85∙10-3 to 1,75∙10-3
    The level of own background in the air (at ambient equivalent dose of gamma radiation does not exceed 0.2 mSv/h) for the detection unit BDPB-08 and BDPB-08-04, sec-1 not more 0,5
    Own background level of detection units BDPB-08 and BDPB-08-04, installed in the lead shield (at ambient equivalent dose of gamma radiation does not exceed 0.2 mSv/h), sec-1 not more 0,25
    Energy range of gamma radiation, MeV from 0,3 to 3,0

    * - dosimeter-radiometer MKS-2001 modification 21 includes pumping unit BN-01.

    Weight and dimensions of the dosimeter-radiometer MKS-2001 modification 21, 23:

    Modifications Dimensions, mm, not more Weight, kg, not more
    Width Height Depth
    21 (with UDGB-01 with a lead shield and pumping unit BN-01) 650 890 360 110
    23 (with UDGB-01 with a lead shield) 705 555 320 105

    Modification 24, 25*

    The dosimeter-radiometer MKS-2001 24 and 25 with the device detection UDGB-01-01 designed to measure the volume activity of inert radioactive gases (IRG). Dosimeter-radiometer MKS-2001 is used to measure the volume activity of IRG in the radiation safety monitoring equipment at nuclear power plants. Dosimeter-radiometer with detection device UDGB-01-01 can be used to replace the detection device UDGB-08 (in the modernization of radiation safety control equipment). The composition of UDGB-01 are sensitive probes BDPB-08 (primary channel), BDPB-08-04 (back-channel) and the measuring chamber. The dosimeter-radiometer MKS-2001 24 and 25 modifications are analogues of the MKS-2001 21 and 23 modifications but without lead shield.

    Technical specifications:

    Measurement range volume activity IRG, Bq/m3 from 7,4 ×103 to 5,2 ×109
    Maximum permissible relative error in measuring volume activity IRG (at P = 0.95),% 35
    Sensitivity SV in measuring the volume activity of RNG 85Kr, m3 from 3,9∙10-5 to 8,1∙10-5
    Sensitivity SТ when measuring the flux density of the working reference source of beta radiation from radionuclides 90Sr+90Y, s-1∙min-1∙сm-2
    for the detection unit BDPB-08
    for the detection unit BDPB-08-04



    from 0,455 to 0,945
    from 0,26 to 0,54
    The level of own background in the air (at ambient equivalent dose of gamma radiation does not exceed 0.2 mSv/h) for the detection unit BDPB-08 and BDPB-08-04, sec-1 not more 2
    Own background level of detection units BDPB-08 and BDPB-08-04, installed in the lead shield (at ambient equivalent dose of gamma radiation does not exceed 0.2 mSv/h), sec-1 not more 1
    Energy range of gamma radiation, MeV from 0,3 to 3,0

    * - dosimeter-radiometer MKS-2001 modification 24 includes pumping unit BN-01.

    Weight and dimensions of the dosimeter-radiometer MKS-2001 modification 24, 25:

    Modifications Dimensions, mm, not more Weight, kg, not more
    Width Height Depth
    21 (with UDGB-01 with a lead shield and pumping unit BN-01) 650 880 360 75
    23 (with UDGB-01 with a lead shield) 705 610 330 55

    Modification 26

    Dosimeter-radiometer MKS-2001 modification 26 (with two power detection BDMG-04-02) designed to measure the equivalent dose of gamma radiation on two independent channels. Dosimeter-radiometer is used for radiation monitoring in institutions where the works with radioactive materials and other radiation-hazardous sources of ionizing radiation.

    Technical specifications of detection unit BDMG-04-02:

    Energy range of gamma radiation, MeV from 0,05 to 3,0
    Measurement range of equivalent dose of gamma rays, Sv/h from 0,05∙10-6 to 2∙10-3
    Energy dependence of the sensitivity of the detection unit BDMG-04 relative to the energy of 662 keV gamma-ray radionuclide 137Cs no more than ± 25%

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