Number of detection units

1 ... 32

Maximum communication line distance between detection units and PC

1000 m

Maximum communication line distance between switchboard unit and PC

100 m

Identified radionuclides

Medical ? Industrial ? Natural

Optional services

Library of identified radionuclides can be modified

Initialisation time

≤1 min

Continuous run time

24 h for AC supply, 230V, 50Hz; 6 h for self-contained power supply from fully charged battery pack.

PC interface

USB

Gamma radiation detection units

BDKG-201M

BDKG-203M

BDKG-205M

BDKG-211M

Detector

Scintillation,

NaI(Tl) Ø25х16 mm

Scintillation,

NaI(Tl) Ø25х40 mm

Scintillation, NaI(Tl) 40x40 mm

Scintillation, NaI(Tl) Ø63x63 mm

Energy range

20 keV ... 3 MeV

20 keV ... 3 MeV

20 keV ... 3 MeV

20 keV ... 3 MeV

Gamma radiation dose rate measurement range

10 nSv/h ...

1 mSv/h

10 nSv/h ...

500 μSv/h

0.01 μSv/h ... 300 μSv/h

0.01 μSv/h ... 150 μSv/h

Limit of dose rate measurement intrinsic relative error

±20%

±20%

±20%

±20%

Energy dependence relative to 662 keV (¹³⁷Cs)

±20% (for energy range from 60 keV to 3 MeV)

Typical resolution at 662 keV (¹³⁷Cs)

8%

8%

7.5%

7.5%

Sensitivity to gamma radiation

cps/μSv·h^-1

cps/μSv·h^-1

cps/μSv·h^-1

cps/μSv·h^-1

²⁴¹Am

1400

3600

5400

13900

¹³⁷Сs

165

400

800

2450

⁶⁰Сo

80

190

420

1300

Maximum input statistical load

≥10⁵ s^-1

≥10⁵ s^-1

≥10⁵ s^-1

≥10⁵ s^-1

Number of ADC channels

1024

1024

1024

1024

Burn-up life

≥100 Sv

≥100 Sv

≥100 Sv

≥100 Sv

Radiation overloading

Detection unit withstands 10-fold measurement range upper limit increase for up to 5min during gamma radiation dose rate measurement

Protection class

IР68

IР68

IР68

IР68

Interface

RS485

RS485

RS485

RS485

Operation temperature range

-35°С ... +55°С

-35°С ... +55°С

-35°С ... +55°С

-35°С ... +55°С

Relative humidity with air temperature ≤40°С without condensation

≤98%

≤98%

≤98%

≤98%

Overall dimensions

Ø63х300 mm

Ø63х320 mm

Ø63х320 mm

Ø90х350 mm

Weight

1 kg

1 kg

1 kg

2 kg