Contents/Precautions
24
Dustproofness (6-
hours with
specified wind
speed)
Dust test for 6 hours consecutively (dust
concentration of 10
±
7 g/m
3
, wind speed
of 8.9 m/s)
Dustproofness (72-
hours)
Dust test for 72 hours consecutively
(6g/m
2
/day)
Salt water
durability
Salt water durability test for 96 hours
consecutively (2 cycles of 24 hours
spraying of 5% salt water and 24 hours
drying)
Dampproofness
High humidity test for 10 days
consecutively (95% of humidity,
30-60
℃
)
Solar radiation
resistance
(continuity)
Solar radiation test for 24 hours
consecutively (total 1,120 W/m
2
)
Solar radiation
resistance (change
of temperature )
Solar radiation test repeatedly for all
humidity level with temperature
difference (+49 degree difference) (3
cycles of 24 hour)
Vibration
resistance
Vibration resistance test for 3 hours (1
hour for 3 directions)
Waterproofness
(Wind and rain)
Wind and rain of 18m/s for 30 minutes
Raindrop
Raindrop from 1 meter height for 15
minutes
Heat resistance
Temperature durability test against -21 -
50
℃
sudden changes of temperature for
3 hours consecutively
Operation at high-
temperature
(60
℃
fixed)
Operation environment : High
temperature test at 60
℃
Operation at high-
temperature
(change 32 - 49
℃
)
High temperature test of 3 cycles of
temperature changes of 32 - 49
℃
Storage at high-
temperature
(70
℃
fixed)
Storage environment : High temperature
test at 70
℃
Storage at high-
temperature
(change 30 - 60
℃
)
High temperature test for 30 - 60
℃
changes of temperature
Operation at low-
temperature
(-20
℃
fixed)
Operation environment : Low
temperature test at -20
℃
Storage at low-
temperature
(-30
℃
fixed)
Storage environment : Low temperature
test at -30
℃
Operation at low
pressure
Low pressure test for 1 hour
consecutively (57.11 kPa/Approx. 4,572
m)
Storage at low
pressure
Low pressure test for 1 hour
consecutively (57.11 kPa/Approx. 4,572
m)
Freeze (-10
℃
condensation)
Condensation or mist at -10
℃
for 1 hour
and operation check at 25
℃
, 95%RH
(Freezing-thawing)
Freeze (-10
℃
freezing)
Freezing test with -10
℃
cooling water
until 6 mm thick ice forms
