This recommendation applies to linear scale instruments used in general, regional and local prospecting and for subsurface survey and underground workings, excluding radiometric bore-hole logging probes.
They usually comprise the following parts:
— a detecting device with one or more scintillation detectors;
— a counting r?te meter;
— a power supply;
— an audible device.
SIS SS IEC 460:1983 history
1983SIS SS IEC 460:1983 Nuclear instrumentation - Portable prospecting radiation meters with gamma-ray scintillation detectors (linear scale instruments)