SEG-002-“AKP-P” Semi-conductor gamma spectrometer

SEG-002-AKP-P

Semi-conductor gamma-spectrometer SEG-002-“AKP-P”, made on the detector base from pure germanium, is designed for radionuclides identification in the compound isotopes mixture in counting samples, determination of their specific activity or abundance by spectrum of external gamma-emanation.

PURPOSE

Semi-conductor gamma-spectrometer SEG-002-“AKP-P”, made on the detector base from pure germanium, is designed for radionuclides identification in the compound isotopes mixture in counting samples, determination of their specific activity or abundance by spectrum of external gamma-emanation.

COMPOSITION



PERFORMANCE
Gamma-type detection unit BDEG-35190
Energy range of registered gamma-emission, keV 40÷10000
Registration efficiency, % to NaJ >35
Energy resolution:
for 122 keV, eV 875
for 1.3 MeV, keV 1.9
MDA by 137Cs for 1 hour
for “Marinelli vessel” 1 l, Bq/kg 0.12
for “Denta” vessel 0.13 l Bq/kg 1.0
Peak/Compton ratio 60:1
Number of channels ADC, not less than 8192
Integral non-linearity of conversion function, % <0.05
Differential non-linearity in % of full scale, % <1
Forming constant:
for heavy loads, ms 1
for light loads, ms 6
Automatic voltage raising, V 0÷4000
Thickness of passive shielding lead, mm 100
Maximum “Marinelly” vessel volume, l 4
Shield, protecting from K-alpha lead
copper, mm 0.1
cadmium, mm 0.1


DETECTOR TECHNICAL CHARACTERISTICS
Model No Effic.(%) Resolution Peak-to- Compton Ratio Peak Shape
_ _ 122 keV,
(keV) 
1.33 MeV,
(keV)
_ FW.1M
FWHM
FW.02M/ 
FWHM
BDEG-35190 35 0,875 1,9 60:1 1,9 2,65
GEM35P4 35 0,85 1,85 60:1 1,9 2,6


APPLICATION

 

A Coaxial HPGe Detector with Lead Shield is used to measure the specific gamma radiation of radionuclides from various types of environmental objects such as rocks, minerals, sludge, slag, soil, plant, sediment and particulate matter in air.

 

FEATURES