General lnformati
on-2215A
Operators
Characteristics
Temperature
Operating
Nonoperating
Altitude
Operating
Nonoperating
Humidity (Opera
ti
ng and Nonoperating)
Vibration (Operating)
Shock (Operating and Nonoperating)
EMI
1-6
Table 1-2
Environmental Characteristics
Description
NOTE
The instrument meets the requirements
of
MIL-T-28800C, paragraphs 4.5.5. 1.3,
4.5.5.1.4,
and
4.5.5.1.2.2
for
Type
Ill
, Class 5 equipment, except where other-
wise
noted
.
o• c
to
+50°C (+ 32°F
to
+ 122°
F)
.
- 55°C
to
+ 75°C (- 67°F
to
+ 167°
F).
Tested
to
MIL
-T-28800C paragraphs
4.5.5.1.3 and 4.5.5.1.4, except in 4.5.5.1.3 steps 4 and 5 (0°C operating test) are
performed ahead
of
step 2 (- 55 ° C nonoperating test). Equipment shall remain
off upon return
to
room ambient during step 6. Excessive condensation shall be
removed before operating during step 7.
To
4,500 m (15,000 ft). Maximum operating temperature decreased 1 •c per
1,000
ft
above 5,000 ft.
To 15,000 m (50,000
ft).
5 cycles (120 hours) referenced
to
MIL-T-28800C paragraph 4.5.5.1.2.2
for
Type
Ill, Class 5 instruments. Operating and non-operating at 95% + 0%
to
- 5%
relative humidity. Operating
at
+ 50°C and + 30°C. Non-operating
at
+
30
°C
to
+60°C.
15 minutes along each
of
3 major axes
at
a total displacementof 0.015 inch p-p
(2.4 g's at 55 Hz) with frequency varied from 10 Hz
to
55 Hz
to
10 Hz in 1-minute
sweeps. Hold
for
10 minutes at 55 Hz in each
of
the 3 major axes. All major
resonances must
be above 55 Hz.
30 g's, half-sine, 11-ms duration, 3 shocks per axis each direction, for a total
of
18 shocks.
Meets radiated and conducted emission requirements per VDE
0871
Class B.
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