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방사선측정장비

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기타
AT6104DM Spectrometer
수중용 다기능 Spectrometer
제조사 / 국 : Atomtex / 벨라루스
검출기 종류 : Scintillator, NaI(Tl) Ø63x63 mm, Ø63x160 mm
에너지 범위 : 50 keV...3 MeV
ADC 채널수 : 512/1024
크기 : Ø130x510 mm, Ø130x633 mm,
무게 : 4.5kg, 6.5 kg
○ 담수나 바다의 수중 방사선 레벨을 monitor 할 수 있도록 설계됨
○ 전처리 없이 150m 이상의 깊에서 모든 parameter의 측정
SPECIFICATIONS

Specification

AT6104DM

AT6101DM1

Gamma radiation detector

NaI(Tl) scintillator, Ø63x63 mm

NaI(Tl) scintillator, Ø63x160 mm

Registered gamma radiation energy range

50keV ... 3MeV

Identified radionuclides

137Cs, 134Cs, 131I, 40K, 226Ra, 232Th, 60Co, 24Na, 54Mn, 65Zn и др.

Measurement range of specific activity in water for 4π measurement geometry:

 

 

134Cs, 137Cs, 131I, 60Co

3 ... 1·106 Bq/kg

1 ... 1·106 Bq/kg

40K

250 ... 2·104 Bq/kg

100 ... 2·104 Bq/kg

Measurement range of bottom sediments specific activity for 2π measurement geometry:

 

 

134Cs, 137Cs,

50 ... 1·105 Bq/kg

20 ... 1·105 Bq/kg

Intrinsic relative error of activity measurement

±30% max.

Measurement range of ambient radiation dose rate equivalent

0.01 ... 100 μSv/h

Intrinsic relative error of ambient dose equivalent rate measurement

±20% max.

Energy dependence relative to 662 keV (137Cs)

±20% max.

Anisotropy in angular spacing ±120° relative to vertical axis (100 keV ... 3 MeV energy range)

±30%

Sensitivity to gamma radiation

 

 

241Am

4050 cps/μSv·h-1

11800 cps/μSv·h-1

137Сs

2350 cps/μSv·h-1

5100 cps/μSv·h-1

60Сo

1300 cps/μSv·h-1

2900 cps/μSv·h-1

Typical resolution at 662 keV (137Cs)

8%

9%

Maximum input statistical load

5·104 s-1

Number of ADC channels

512 or1024

512

Operation mode setup time

2 min

Integral nonlinearity

1%

Continuous run time in normal conditions

9 h

Measurement instability during continuous service

5%

Working temperature range

From -20°C to +50°C

Protection class of the detection unit

IР67 (Withstands static hydraulic pressure up to 5 MPa)

GPS

GPS receiver is integrated into PC. Positioning accuracy 3 m

Connection to PC

RS 422

Overall dimensions and weight of the detection unit

Ø130x510 mm, 4.5 kg

Ø130x633 mm, 6.5 kg