This standard describes methods for the detection of ionizing radiation and for the direct and indirect measurement of field pattern and exposure rate of random incidental radiation emanating from high-voltage electronic tubes. It does not include recommendations for safe levels of radiation*. * For this aspect@ see@ for example@ IEC Publication 65@ Safety Requirements for Mains Operated Electronic and Related Apparatus for Household and Similar General Use (Clause 6)@ and IEC Publication 284@ Rules of Behaviour with Respect to Possible Hazards when Dealing with Electronic Equipment and Equipment Employing Similar Techniques.