B2Definitions of terms and notations#

Terms used in this Technical Specification are defined in Table B2 below.

Director (ITS Technologies)

The Director of the Intelligent Transport Systems Technologies Unit of Transport and Main Roads, Traffic Engineering Technology and Systems Section

Free Air

As specified in IEC 60068-1:1992, Clause 4.4

T A

Average ambient temperature of the test chamber

T I

Maximum internal temperature of the enclosure being tested

ΔT

Temperature difference (T – T ) I A