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11.1.4
Environmental Tests
Classification
IEC 60068-1
Climatic Classification
20/060/56
IEC 60721-3-1
Classification of ambient conditions
(Storage)
1K5/1B1/1C1L/1S1/1M2 but
min. −30°C (−22°F)
IEC 60721-3-2
Classification of ambient conditions
(Transportation)
2K2/2B1/2C1/2S1/2M2 but
min. −30°C (−22°F)
IEC 60721-3-3
Classification of ambient conditions
(Stationary use at weather protected
locations)
3K6/3B1/3C1/3S1/3M2 but
min. −20°C (−4°F) / max
60°C (140°F)
Test Ad: Cold
IEC 60068-2-1
IEC 60255-27
Temperature
−20°C (−4°F)
Test duration
16 h
Test Bd: Dry Heat
IEC 60068-2-2
IEC 60255-27
Temperature
60°C (140°F)
Relative humidity
<50%
Test duration
72 h
Test Cab: Damp Heat (Steady State)
IEC 60068-2-78
IEC 60255-27
Temperature
60°C (140°F)
Relative humidity
95%
Test duration
56 days
Test Db: Damp Heat (Cyclic)
IEC 60068-2-30
IEC 60255-27
Temperature
60°C (140°F)
Relative humidity
95%
Cycles (12 + 12-hour)
2
Test Nb: Temperature Change
IEC 60068-2-14
Temperature
60°C/-20°C
cycle
5
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EMR-3MP0
11 Appendix
11.1 Standards