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JSC SPC ASPECT > Products > Technological spectrometers > Technological spectrometric devices > RSKV-01

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RSKV-01

Gamma radiometer-spectrometer for water radiation monitoring.

 

Intended use

Continuous monitoring of the content of gamma-emitting radionuclides in flowing liquids

Category: Technological spectrometric devices Tags: Environmental monitoring, Nuclear power industry
  • Description
  • Specifications and Performance
  • Certification

Description

Application

  • Monitoring of drinking water at water intakes;
  • Monitoring of wastewater coming from nuclear power plants and other enterprises using gamma-emitting radionuclides in their technology

As of 2023, more than 20 RSKV-01 sets have been produced and put into operation at water supply and wastewater treatment plants and at enterprises using gamma-emitting radionuclides in their technology, in Russia and abroad.

Positive experience of operating the RSKV-01 radiometer-spectrometer for over 20 years served as a basis for development of a new line of devices for radiation monitoring of liquid media – MZhG-A Water Contamination Monitoring Systems.

Design and operation

RSKV-01 consists of a measuring chamber, a UDS-G3 scintillation gamma detection device based on a (Ø63×160) mm NaI (Tl) crystal, a water treatment unit, a control panel and an operator’s workstation.

The measuring chamber is an assembled unit with a water treatment unit mounted on the chamber outer casing and a tank containing the detection device, surrounded by lead shielding blocks. The measuring tank is a stainless steel flow-through chamber and is designed to ensure a continuous and uniform flow of the measured liquid around the detection device in the required geometry of their relative positions.

The water treatment unit serves for rough cleaning of water entering the measuring tank.

The control panel receives measurement information from the detection unit, processes it using appropriate algorithms, provides light and sound alarms when the set thresholds are exceeded, displays current measurement information, stores previously measured spectra, and transmits the necessary information to a remote computer.

The operator’s workstation is a computer with specialized software.

Key features

  • Continuous automatic measurement mode
  • High temperature and time stability
  • High detection sensitivity
  • Alarm when a specified level of total gamma activity is exceeded
  • Possibility of integration into an automated radiation monitoring system
  • Database of spectra and measurement results
  • Processing of scintillation gamma spectra
  • Identification and calculation of specific activity of radionuclides
  • Certified measurement procedure

Specifications and Performance

Range of registered gamma energies

0.05 to 3.0 MeV

Integral non-linearity

±1 %

Relative energy resolution for the 662 keV gamma line (Cs-137)

10.5 % max

Detection efficiency for the 662 keV gamma line

0.005 min (for point geometry)
0.002 min (for operating geometry)

Minimum detectable activity of the Cs-137 nuclide for a measurement time of 1 hour

0.5 Bq max

Maximum statistical load

не менее 5·10⁴ с⁻¹

Operating mode setting

30 minutes max

Temperature instability of the conversion characteristic

0.1%/ °С max

Time instability of the conversion characteristic over 24 hours

1 % max

Environmental

+5 to +35 °С, 75 % at +30 °С and lower temperatures without moisture condensation

Dimensions

(985×585×852) mm (assembled radiometer-spectrometer)
(400×217×486) mm (control panel)

Dimensions

600 kg (assembled radiometer-spectromter)
16.5 kg (control panel)

Power supply

(187-242) V, (50±1) Hz, 50 V·A

Certification

Certification

The RSKV-01 Gamma Radiometer Spectrometer for Water Radiation Monitoring were registered in the State Register of Measuring Instruments under No. 22385-09. They are not measuring instruments any longer.

Measurement Procedures

Procedure for measuring the specific activity of gamma-emitting radionuclides in liquid media using the RSKV-01 Gamma Radiometer-Spectrometer for Water Radiation Monitoring. Number in the Federal Information Fund for Ensuring the Uniformity of Measurements is ФР.1.40.2020.37620.

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JSC SPC ASPECT
8 Sakharova A.D. Street
141985 u.d. Dubna, Dubna
Moscow region, Russia

 

E-mail: aspect@dubna.ru
Phone: +7 496 216-52-72
Fax: +7 496 216-51-08

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