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Section : Instruments for NPP's | STPK-01 spectrometric complex Печать E-mail
stpk

The spectrometric complex STPK-01 for maintenance of the discrete – continuous operative control of specific activity of iodine radio-nuclides (131J-135J) in a wide range of values of the coolant in the basic (first) circuit of the nuclear reactor VVER-1000

 

PURPOSE

The spectrometric complex STPK-01 is intended for maintenance of the discrete - continuous operative control of specific activity of iodine radio-nuclides (131J-135J) in a wide range of values of the coolant in the basic (first) circuit of the nuclear reactor VVER-1000, and also periodic control of specific activity of a number of  reference radio-nuclides important for an estimation of a technological condition of the coolant in the first circuit by means of gamma-spectrometry of high resolution..

STRUCTURE

  • block of detecting on the most clean germanium basis of the detector
  • electromachine coolant
  • protective screen for the block of detecting
  • software controlled mobile collimator with apertures of various size
  • digital multichannel analyzer
  • printer such as HP Laser jet 1300 A4
  • uninterrupted power source
  • system software
  • application software for control of modes of measurements, analysis, visualization, storage and documenting of the spectrometer information
  • technique of performance of measurements

CHARACTERISTICS

Dimension of ADC, of channels

8192

Output of analysis results

not less, than 1 time per hour

Range of registered energies of the g-emision, Kev

60-3000

Registered nuclides

131I,135I, 24Na, 42K, 40K и  208Tl

Resolution of the spectrometer

0,9 Kev for 122 Kev

Duration of the exposition

Adjustable parameter

Error of determination 131¸135I, not more, %

20

Cooling of semi-conducting block of detecting

Is realized by the electric machine coolant.

Alternation changing of positions of the collimator

Automatic

STPK-01 works uninterruptedly

 

FEATURES

  • Possibility of an uninterrupted control of the activity of radio-nuclides in the first circuit coolant.
 

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