AT1121, AT1123 X‑RAY and Gamma Radiation Dosimeters

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AT1121 (NATO numbers available on request) –
AT1121/AT1123 – These dosemeters are used widely around the world and can be used as portable survey monitors or installed X-ray / Gamma alarms with an interlock. The AT1123 has the special function for pulsed X-rays & is used widely for Linacc dose measurements.
The instruments can be controlled remotely (20m cable) or observed by Dose rate Viewer software from a PC/laptop. View Dose rate viewer Info
Both the AT1121 & AT1123 can be networked with alarms and central control software (SAIC).


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