scope:

This part of ISO 7494 specifies requirements and test methods for dental units, regardless of whether or not they are electrically powered. It also specifies requirements for manufacturer's instructions, marking and packaging. This part of ISO 7494 is one of a series of International Standards based on IEC 60601-1; in IEC 60601-1 (the "General Standard"), this type of International Standard is referred to as a "Particular Standard". As stated in IEC 60601-1:1988, 1.3, the requirements of this part of ISO 7494 take precedence over those of IEC 60601-1.