Immunity to Environmental Conditions
Table 9: Mechanical stress
Test method
Ca
Damp heat
steady state
Shock
(half-sinusoidal)
Bump
(half-sinusoidal)
Vibration
(sinusoidal)
Standard
IEC/DIN IEC 60068-2-3
MIL-STD-810D section 507.2
IEC/EN/DIN EN 60068-2-27
MIL-STD-810D section 516.3
IEC/EN/DIN EN 60068-2-29
MIL-STD-810D section 516.3
IEC/EN/DIN EN 60068-2-6
MIL-STD-810D section 514.3
Test conditions
Temperature:
Relative humidity:
Duration:
Acceleration amplitude:
Bump duration:
Number of bumps:
Acceleration amplitude:
Bump duration:
Number of bumps:
Acceleration amplitude:
Frequency (1 Oct/min):
Test duration:
Kb
Salt mist, cyclic
(sodium chloride
NaCl solution)
IEC/EN/DIN IEC 60068-2-52
Concentration:
Duration:
Storage:
Storage duration:
Number of cycles:
40
2
C
93
+2/-3
%
56 days
50 g
n
= 490 m/s
2
11 ms
18 (3 each direction)
25 g
n
= 245 m/s
2
11 ms
6000 (1000 each direction)
0.35 mm (10...60 Hz)
5 g
n
= 49 m/s
2
(60...2000 Hz)
10...2000 Hz
7.5 h (2.5 h each axis)
5% (30 C)
2 h per cycle
40 C, 93% rel. humidity
22 h per cycle
3
Status
Unit not
operating
Unit
operating
Unit
operating
Unit
operating
Ea
Eb
Fc
Unit not
operating
Table 10: Temperature specifications, valid for air pressure of 800...1200 hPa (800...1200 mbar)
Temperature
Characteristics
Conditions
1
Standard -9G
min
–40
–40
Non operational
–55
max
71
105
105
Unit
°
C
Operational
T
A
T
C
T
S
1
Ambient temperature
Case temperature
Storage
temperature
1
MIL-STD-810D section 501.2 and 502.2
Table 11: MTBF
Values at specified
case temperature
MTBF
Type
48 IMS 30-0503-9G
Ground benign
25 C
927'229
Ground fixed
25 C
55 C
331'251
179'831
Ground mobile
55 C
272'260
Device hours
n.a.
Unit
h
1
Statistical values based on an average of 4300 working hours per year and in general field use, over 2 years.
8/11
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