Foreword
Introduction
1 Scope
2 Normative references
3 Definitions and abbreviations
4 Environmental classes
5 Standard laboratory conditions
6 Tolerances
7 Information to be included in the relevant product
    standard
8 Dry heat (operational)
9 Dry heat (endurance)
10 Cold (operational)
11 Temperature change (operational)
12 Damp heat, steady state (operational)
13 Damp heat, steady state (endurance)
14 Damp heat, cyclic (operational)
15 Damp heat, cyclic (endurance)
16 Water ingress (operational)
17 Sulfur dioxide (SO2) (endurance)
18 Salt mist, cyclic (endurance)
19 Shock (operational)
20 Impact (operational)
21 Free fall (operational)
22 Vibration, sinusoidal (operational)
23 Vibration, sinusoidal (endurance)
24 Simulated solar radiation, temperature rise
    (operational)
25 Simulated solar radiation, surface degradation
    (endurance)
26 Dust tightness (endurance)
27 Electromagnetic compatibility, immunity (operational)