This document applies to the basic safety and essential performance of a humidifier, also hereafter
referred to as ME equipment, in combination with its accessories, the combination also hereafter
referred to as ME system.
This document is also applicable to those accessories intended by their manufacturer to be connected to
a humidifier where the characteristics of those accessories can affect the basic safety or essential
performance of the humidifier.
EXAMPLE 1 Heated breathing tubes (heated-wire breathing tubes) or ME equipment intended to control these
heated breathing tubes (heated breathing tube controllers).