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МКС-А03

Handheld radiation monitor used to search for and localize ionizing radiation sources, and identify gamma radionuclides.

 

Intended Use

  • Search for and localize radioactive materials
  • Identification of gamma-emitting radionuclides
  • Measurement of gamma and neutron dose rates
  • Measurement of alpha- and beta-particles density flux

MKC-A03 is the primary handheld device used in Russia and abroad at customs and border checkpoints to confirm presence and identify ionizing sources carried by pedestrians, in vehicles, cargo and baggage. MKC-A03 is also used at facilities of Rosatom State Corporation, RF Ministry of Defense, Ministry of Emergency, and other radiation monitoring services.
MKC-A03 was specifically designed for application by personnel of any qualification in field conditions.
Due to its high sensitivity, excellent usability and operability, MKC-A03 significantly reduces response and decision making times.
The MKC-A03 Handheld radiation monitor is enrolled in the State Register of Measuring Instruments.

 

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Description

Design

The MKC-A03 Handheld radiation monitor is a compact portable device.

The monitor contains a scintillation NaI(Tl) or LaBr3(Ce) based gamma detector, a Geiger-Mueller counter and a scintillation neutron detector. Surface contamination and alpha- and beta- flux density are measured with the external alpha-beta-detector. Also, the MKC-A03 monitor allows connection of the external neutron detector capable of registering neutron radiation in a wide energy range (BDN-06M).

Temperature compensation of gamma channel ensures consistency of measurements in a wide temperature range.
Application of LaBr3(Ce) based gamma detector enhances resolution capability of radionuclide identification.
The MKC-A03 monitor has sound and visual alarms for gamma and neutron radiation.

Operation modes

Depending of its application, the monitor can use one of the following operating modes:

  • Search/Dose rate: search and dose rate measurement
  • Identification: determination of nuclide composition
  • Alpha/Beta: measurement of alpha- and beta- particles flux density (with the BDS-AB2 external alpha-beta-detector)
  • Neutron/dose rate: measurement of neutron radiation EDR (with the BDN-06M external detector)

In the search mode, visual and sound alarm frequency increases as the MKC-A03 monitor approaches the radiation source, which allows quick and accurate localization of the radiation source.

Switching between the Search/Dose rate mode is done by pressing one button.

The embedded neutron detector has its EDR calibrated only for characteristic spectrum of Pu-Be source radiation in the test assembly conditions. If it is necessary to measure neutron EDR with unknown energy distribution and/or in case when neutron moderating and dissipating materials are present (organic substances, water, etc), we recommend using the BDN-03M external neutron detector.

Access to the MKC-A03 functions

NORMAL MODE provides an easy and intuitive interface with operation hints and access to basic functions.
EXPERT MODE allows flexible setting of the monitor parameters and analysis of measured radiation spectra.
The monitor can transmit data to a computer with installed dedicated software.

Typical application:

As part of Radiation Monitoring Integrated Systems
As part of Integrated Safety Systems

Key features

  • User-friendly interface
  • Easy-to-operate
  • Rugged and environmentally protected design
  • Quick readiness for use
  • Long battery operation
  • Restriction of access to advanced functions and critical settings
  • Expert mode for access to advanced functions
  • Embedded self-test system
  • Transfer of measured data to the computer

Specifications and Performance

Gamma detectors

NaI(TI) Ø40×40 mm or LaBr₃(Ce) Ø38×38 mm, Geiger-Mueller counter
Neutron detector

⁶LiF/ZnS(Ag)
Detection thresholds (at the distance of 0.2 m and rate of the monitor travel of 0.5 m/s)

55 kBq (Ba-133)
100 kBq (Cs-137)
50 kBq (Co-60)
6000 s⁻¹ (Cf-252)
30000 s⁻¹ (Cf-252) – with BDN-06M
Gamma (energy range), NaI(TI)

0.05 to 3 MeV
Gamma (energy range), LaBr₃(Ce)

0.03 to 3 MeV
Gamma (ADER), NaI(TI)

0.1 to 100 µSv/h
Gamma (ADER), Geiger-Mueller counter

100 µSv/h to 10 mSv/h
Neutron (energy range)

1 keV to 14 MeV with BDN-06M
Neutron (ADER), internal detector (against Pu-Be source in the test assembly conditions)

1 µSv/h to 1 mSv/h
Alpha (energy range)

3 to 10 MeV
Alpha (flux density)

1 to 5000 cm⁻² × min⁻¹
Beta (energy range)

0,3 to 3 MeV
Beta (flux density)

2 to 5000 cm⁻² × min⁻¹
Energy resolution, NaI(TI)

8 %
Energy resolution, LaBr₃(Ce)

3 %
Environmental

-20 to +50 °C
Dimensions

(280×130×181) mm
Weight

3 kg (main unit)
Battery life

16 hours minimum

Optional items

  • BDN-06M external neutron detector expands energy range of detected neutron radiation and increases accuracy of dose rate measurements.
  • BDS-AB2 alpha beta detector. External detector of alpha and beta particles.

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