AT1121, AT1123 X-RAY and Gamma Radiation Dosimeters

AT1121, AT1123 X‑RAY and Gamma Radiation Dosimeters

- Measurement of continuous, short-term and pulse gamma and X-ray radiation ambient dose equivalent and ambient dose equivalent rate

- Search and detection of X-ray and gamma radiation sources

- Search and detection of high-level beta radiation sources with maximum spectrum energy of more than 500 keV

Measurement over a wide range of dose rates and energies
Measurement of dose rate and exposure time during short-term exposure (from 0.03 s)
Measurement of pulse radiation average dose rate with duration from 10 ns (AT1123)
Remote control is available for measurements from a distance
Possibility of stationary placement with external audio-visual alarm and potential-free contacts for actuator control
Connection to a PC for the organization of a continuous monitoring system with the documentation function

Applications

Atomic Energy

Industry

Health Care

Homeland Security

Environmental Radiation Monitoring

Science and Education

Detector	Scintillation plastic, Ø30x15 mm
Measurement range of ambient dose equivalent rate: - Continuous radiation - Short-term radiation - Pulse radiation	50 nSv/h – 10 Sv/h 5 µSv/h – 10 Sv/h 0.1 µSv/h – 10 Sv/h (АТ1123)
Measurement range of ambient dose equivalent	0.1 nSv – 100 Sv
Energy range: - Continuous and short-term radiation - Pulse radiation	15 keV – 10 MeV 15 keV – 10 MeV (АТ1123)
Energy dependence relative to 662 keV (¹³⁷Cs)	±35% (15 – 60 keV) ±25% (60 keV – 3 MeV) ±50% (3 – 10 MeV)
Measurement time of ¹³⁷Cs gamma radiation dose rate - Dose rate: 50 – 300 nSv/h - Dose rate: 0.3 – 2 µSv/h - Dose rate: 2 µSv/h – 10 Sv/h	≤60 s ≤10 s ≤2 s
Response time for dose rate change from 0.1 to 1 µSv/h	<2 s
Typical sensitivity to ¹³⁷Cs gamma radiation	70 cps/(µSv·h^-1)
Overall dimensions, weight	233x85x67 mm, 0.9 kg

Design and specifications are subject to change.

For details see our datasheet.

Specifications

Detector:
Scintillation plastic Ø30x15 mm

Measurement range of ambient dose equivalent rate:
- Continuous radiation:
50 nSv/h – 10 Sv/h
- Short-term radiation:
5 µSv/h – 10 Sv/h
- Pulse radiation:
0.1 µSv/h – 10 Sv/h (АТ1123)

Measurement range of ambient dose equivalent:
0.1 nSv – 100 Sv

Energy range:
- Continuous and short-term radiation:
15 keV – 10 MeV
- Pulse radiation:
15 keV – 10 MeV (АТ1123)

Energy dependence relative to 662 keV (¹³⁷Cs):
±35% (15 – 60 keV)
±25% (60 keV – 3 MeV)
±50% (3 – 10 MeV)

Response time for dose rate change from 0.1 to 1 µSv/h:
<2 s

Typical sensitivity to ¹³⁷Cs gamma radiation:
70 cps/(µSv·h^-1)

Overall dimensions / weight:
233x85x67 mm / 0.9 kg

Design and specifications are subject to change.

For details see our datasheet.