AT1125, AT1125A Radiation Monitors

AT1125, AT1125A Radiation Monitors

- Measurement of gamma and X-ray radiation ambient dose equivalent and ambient dose equivalent rate
- Control of 137Cs content in samples inside 0.5-liter Marinelli beaker, both with and without protection unit
- Measurement of alpha and beta particle flux density from contaminated surfaces (external BDPS‑02 detection unit)*
- Search and detection of X-ray and gamma radiation sources
 
  • High sensitivity
  • Spectrum display when connected to a PC
  • External detection units can be connected

Applications

Atomic Energy

Industry

Health Care

Homeland Security

Environmental Radiation Monitoring

Detector
- АТ1125
- АТ1125A
 
- BDPS-02
 
Scintillation NaI(TI) Ø25x40 mm
Scintillation NaI(TI) Ø25x40 mm
and Geiger-Mueller counter tube
End-type Geiger-Mueller counter tube
Measurement range:
- Ambient dose equivalent rate
 
- Ambient dose equivalent
 
 
30 nSv/h – 300 µSv/h (АТ1125)
30 nSv/h – 100 mSv/h (АТ1125А)
10 nSv – 10 mSv(АТ1125)
10 nSv – 10 Sv (АТ1125А)
Measurement range of 137Cs specific activity
50 – 105 Bq/kg (with protection unit)
100 – 105 Bq/kg (without protection unit)
Measurement range of flux density:
- Alpha particles
- Beta particles
 
2.4 – 106 particle·min-1·cm-2 (BDPS-02)
6 – 106 particle·min-1·cm-2 (BDPS-02)
X-ray and gamma radiation energy range
50 keV – 3 MeV (АТ1125, А)
20 keV – 3 MeV (BDPS-02)
Energy dependence relative to 662 keV (137Cs)
±15% (АТ1125, А)
±30% (BDPS-02)
Typical sensitivity to 137Cs gamma radiation
350 cps/(µSv·h-1) (АТ1125, А)
6.6 cps/(µSv·h-1) (BDPS-02)
Detection time for 137Cs source with 10 kBq activity located at the distance of 5 cm
<2 s
Overall dimensions, weight
258x85x67 mm, 1.0 kg (АТ1125,А)
138x86x60 mm, 0.3 kg (BDPS-02)
Ø150x155 mm, 10.5 kg (Protection unit)
* BDPS-02 can be substituted by the following detection units: BDPA-01, BDPA-02, BDPA-03, BDPB-01, BDPB-02 and BDPB‑03. For specification of detection units see АТ1117M Radiation monitor

Design and specifications are subject to change.

For details see our datasheet.

Specifications

Detector
- АТ1125:
Scintillation, NaI(Tl) Ø25x40 mm
- АТ1125A:
Scintillation, NaI(Tl) Ø25x40 mm
and Geiger-Mueller counter tube
- BDPS-02:
End-type Geiger-Mueller counter tube

Measurement ranges:
- Ambient dose equivalent rate:
30 nSv/h – 300 µSv/h (АТ1125)
30 nSv/h – 100 mSv/h (АТ1125А)
- Ambient dose equivalent:
10 nSv – 10 mSv (АТ1125)
10 nSv – 10 Sv (АТ1125А)

Measurement range of 137Cs specific activity:
50 – 105 Bq/kg (with protection unit)
100 – 105 Bq/kg (with protection unit)

Measurement range of flux density:
- Alpha particles:
2.4 – 106 particle·min-1·cm-2 (BDPS-02)
- Beta particles:
6 – 106 particle·min-1·cm-2 (BDPS-02)

Energy range of X-ray and gamma radiation:
50 keV – 3 MeV (АТ1125,A)
20 keV – 3 MeV (BDPS-02)

Energy dependence relative to 662 keV (137Cs):
±15% (AT1125,A)
±30% (BDPS-02)

Typical sensitivity to 137Cs gamma radiation:
350 cps/(µSv·h-1) (AT1125,A)
6.6 cps/(µSv·h-1) (BDPS-02)

Detection time for 137Cs source with 10 kBq activity located at the distance of 5 cm:
<2 s

Overall dimensions / weight:
258x85x67 mm, 1.0 kg (AT1125,A)
138x86x60 mm, 0.3 kg (BDPS-02)
Ø150x155 mm, 10.5 kg (Protection unit)

* BDPS-02 can be replaced with the following detection units: BDPA-01, BDPA-02, BDPA-03, BDPB-01, BDPB-02, BDPB‑03.For specification of detection units see АТ1117M Radiation monitor

Design and specifications are subject to change.

For details see our datasheet.

PDF icon Datasheet (AT1125,A)

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