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This user manual FVKM.412131.002-03RE contains information on design, principle of

operation, characteristics of the scintillation gamma-spectrometer «Progress-gamma» and instructions

essential for correct and safe use of this product (intended use, maintenance, servicing, storage and

transportation), as well as information regarding the utilization of the product.

1 DESCRIPTION AND OPERATION OF THE PRODUCT

1.1 Product functionality

Scintillation gamma-spectrometer «Progress-gamma» FVKM.412131.002-03 (hereinafter –

gamma-spectrometer) represents a part of a spectrometric complex «Progress» for measurement of

activity of alpha-, beta-, and gamma-emitting radionuclides and can be used independently.

Gamma-spectrometer is intended for measurement of activity of gamma-emitting radionuclides

in samples of the foodstuffs, samples of biological origin, water and soil samples, and other

environmental samples in the laboratory.

Gamma-spectrometer can be used for radiation monitoring at nuclear plants, at the enterprises

and facilities which produce or use sources of ionizing radiation.

1.2 Technical characteristics

1.2.1 Energy range ......................................................................... 200 to 2800 keV.

1.2.2 Specific activity measurement range (for geometry 1 L Marinelli beaker in standard

shielding):

137

Cs ............................................................................ from 3 to 5·10

226

Ra ............................................................................ from 7 to 5·10

232

Th ............................................................................ from 8 to 5·10

K ............................................................................. from 40 to 5·10

1.2.3 Highest possible count rate in the measurement channel ..................................... 510

1.2.4 Relative measurement error .................................................................. ±30 %.

1.2.5 Relative energy resolution at 662 keV ............................................. no more than 8 %.

1.2.6 Integral non-linearity of the conversion characteristic ...................... no more than 1%.

1.2.7 Warm-up time ................................................................................... 30 min.

1.2.8 Continuous operation ........................................................................... 8 hours.

1.2.9 Instability during 8 hours of continuous operation .......................................... ±2 %.

1.2.10 Power supply of the PC from mains power supply ...................... (220 25) V, 50 Hz.

1.2.11 Power consumption (including PC) ....................................................... 400 VA.

1.2.12 Microclimatic factors of the environment during operation of the gamma-spectrometer:

operating temperature range .................................................... form +10 to +40 °C;

relative humidity .................................................................up to 98 % at +35 C;

atmospheric pressure ........................................................ from 84.0 to 106.7 kPa.

content of the corrosive agents in the ambient air corresponds to the values in table 1.1.

Table 1.1

Type of atmosphere

Designation

Description

Relatively clean

Industrial

Content of the corrosive agents

Sulfur dioxide gas no more than 20 mg/(m

(not more than 0.025 mg/m

Chlorides not more than 0.3 mg/(m

Sulfur dioxide gas no more than 20 to 250 mg/(m

(not more than 0.025 to 0.31 mg/m

Chlorides - not more than 0.3 mg/(m

FVKM.412131.002-03RE

·day)

);

·day)

);

·day)

Bq/kg;

Bq/kg.

cps.

·day)