АТ1125B Radiation Monitor

Detector

Scintillator NaI(Tl) ?25x40mm

Ambient gamma and X radiation dose rate equivalent measurement range

30nSv/h ... 300μSv/h

Ambient gamma and X radiation dose equivalent measurement range

10nSv ... 10mSv

Intrinsic relative error of dose rate and dose measurement

±15%max.

Energy range

50 keV…3 MeV

Sensitivity energy dependence within energy ranges of 50 keV…3 MeV

±15%

Sensitivity

            to 137Cs gamma radiation

350 cps/μSv/h-1

            to 241Am gamma radiation

3800 cps/μSv/h-1

Natural radiation background measurement time of 0.1 μSv/h with statistical error ±20% (Р=0.95)

≤15 sec

Power supply

Internal rechargeable Ni-MH battery or AC power adapter.

The accumulator unit is charged from:
a) AC mains, (230 ± 23) V, (50 ± 1.0) Hz;
b) external DC supply, voltage 12 (+2.0; ?1.5) V and output current not less than 1.0 A.

Internal battery run time

≥24 h

Operation mode setup time

1 min

PC interface

RS232 or USB

Protection class

IP54

Working temperature range

20°C…+50°C

Relative humidity with air temperature ≤35оС without condensation

≤90%

Overall dimensions, weight

258x85х67 mm, 1.0 kg

BDPB-01 External detection unit

Detector

plastic scintillator, ?60x1 mm 

Beta particle flux density measurement range

1…5·105 particles/(cm2·min)

90Sr + 90Y surface activity measurement range

4.4·10-2…2.2·104 Bq/cm2

Maximum energy range for the detected beta particles spectrum

155 keV…3.5 MeV

Intrinsic relative error of surface activity and flux density measurement

±20% max.

Sensitivity to 90Sr + 90Y beta radiation

0.3 cps/(particles·min-1·sm-2)

Protection class

IP64

Working temperature range

20°C…+50°C

Relative humidity with air temperature ≤35оС without condensation

≤90%

Overall dimensions, weight

?80x196 mm, 0.7 kg