Applies to equipment intended to detect ionizing radiation from, and provide warning of, a criticality accident. Specifies the general characteristics, operating characteristics, electrical, mechanical, safety and environmental characteristics, test procedures and documentation.
You can specify the type of files you want, for your device.IEC 60860 Ed. 1.0 b:1987, Warning equipment for criticality accidents | IEC TC/SC 45B. A good, fresh read, highly recommended.