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GAMMA-BETA-1S

Combined spectrometric system.

 

Intended use

The GAMMA-BETA-1S combined spectrometric system is used for qualitative and quantitative analysis of environmental samples, sanitary and hygienic check of food raw materials and food products, forestry products, building materials, radiation and technological process monitoring.

 

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Description

Design

GAMMA-BETA-1S is a combination of the GAMMA-1S scintillation gamma spectrometer and the BETA-1S scintillation beta spectrometer at one operator’s workstation.

The combined spectrometric system allows combined measurements on gamma- and beta spectrometers using a specialized software (SpectraLineBG for two paths), which makes it possible to lower the minimum measurable activity of beta-emitting radionuclides.

For the GAMMA-BETA-1S combined spectrometric system specifications and features, see the relevant information for the GAMMA-1S and BETA-1S spectrometers.

Specifications and Performance

Range of registered energies

0.05 to 3 MeV (gamma energies)
0.2 to 3 MeV (beta energies)
Range of measured specific activity for radionuclide

1.5 to 10⁵ Bq/kg (Cs-137)
17 to 10⁵ Bq/kg (Sr-90)
25 to 10⁵ Bq/kg (K-40)
3 to 10⁵ Bq/kg (Th-232)
3 to 10⁵ Bq/kg (Ra-226)
Maximum statistical load

1.5·10⁵ cps min
Integral non-linearity

1 % max
Confidence limits of activity measurement error (P=0.95)

±(10 to 50) %
Time instability

±1 % max
Operating mode setting time

30 minutes max
Continuous operation

24 hours min
Power supply

~220 V, (50±1) Hz, 500 V·А
Environmental

10 to 35 °С, 75 % at +30 °С and lower temperatures without moisture condensation
Operating geometries

volumetric, not exceeding 1 l, density of measured samples is no more than 3 g/cm³
standard cuvette: Ø70×8 mm, volume is 30 ml, sample weight is up to 30 g
AFA filter: working surface is 20 cm²
Dimensions

GAMMA-1S:
(560×595×772) mm (Ekran-1SG protective shield)
(Ø88×345) mm (UDS-GC-63×63-USB)
BETA-1S:
(Ø300×467) mm (Ekran-1SB protective shield)
(Ø91×290) mm (UDS-B-USB)
Weight

GAMMA-1S:
231 кг (Ekran-1SG protective shield)
2.3 kg (UDS-GC-63×63-USB)
BETA-1S:
95 kg (Ekran-1SB protective shield)
1.3 kg (UDS-B-USB)

Certification

Certification

  • BETA-1S is registered in the State Register of Measuring Instruments under No. 15292-09
  • GAMMA-1S is registered in the State Register of Measuring Instruments under No. 15294-08
  • BETA-1S and GAMMA-1S comply with the requirements for products of safety class 4N according to OPB-88/97
  • BETA-1S and GAMMA-1S comply with the requirements of the Technical Regulations of the Customs Union on safety of low voltage equipment (TR CU 004/2011), Technical Regulations of the Customs Union on electromagnetic compatibility of technical means (TR CU 020/2011)

Measurement procedures

  • Activity of radionuclides in investigated samples. Measurement procedure for beta spectrometers using the SpectraLine software”. Number in the Federal Information Fund for Ensuring the Uniformity of Measurements is ФР.1.40.2014.18317
  • Procedure for measuring the volumetric total activity of beta-emitting radionuclides in samples of aqueous technological media of nuclear power plants and in liquid radioactive waste using BETA-1S spectrometers. Number in the Federal Information Fund for Ensuring the Uniformity of Measurements is ФР.1.40.2018.30106. Additional software is required for work with this procedure (Spectran-Beta)
  • Activity of radionuclides in investigated samples. Measurement procedure for gamma spectrometers using the SpectraLine software”. Number in the Federal Information Fund for Ensuring the Uniformity of Measurements is ФР.1.40.2014.18318
  • Procedure for measuring gamma emitting radionuclides in investigated samples using gamma spectrometers with SpectraLine and Nuclide Master Plus software Number in the Federal Information Fund for Ensuring the Uniformity of Measurements is ФР.1.38.2022.43932
  • Procedure for radiation monitoring of metal. Number in the Federal Information Fund for Ensuring the Uniformity of Measurements is ФР.1.40.2020.37618
  • Procedure for measuring the activity of gamma-emitting radionuclides in waste containers using a gamma spectrometric complex with the LSRM SpectraLine and EffMaker software . Number in the Federal Information Fund for Ensuring the Uniformity of Measurements is ФР.1.40.2019.35796

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