IEC 60421:1973
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Portable prospecting radiation meters with Geiger-MŸller counter tube (linear scale instruments)
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23-07-2013
English - French, Russian
01-01-1973
Applicable to linear scale instruments used in general, regional and local prospecting and for subsurface and deep survey.For bore-hole logging equipment, see IEC 576. For radiation meters using gamma-ray scintillation detectors, see IEC 460. Specifications should be provided in the instruction manual by the manufacturer.
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