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Speclfication
-
494A1494AP
Service,
Vot.
1
Table
2-7
ENVIRONMENTAL
CHARACTERISTICS
Vibration (operating)
(instrument
secured
to
a
vibra.
tion
platform
during
test)
Meets
MIL
T-28800C,
type class
3, style C
specifications.
Characteristic
Descr
Temperature
Operating and
Humidity
-15oC
to
+55oC/95"/"
(t
5o/" relative humidity).
Non-operating
-62"C
to
+85
"C
Altitude
Operating
15,000
feet
(tested
to
25,000
fee$
Non-operating
40,000
feet
(tested
to
50,000 feet)
H
umidity
(non-operating)
Five
cycles
(120
hours)
in accordance with MIL-Std-8l0
Procedure
lll
{modified)
MIL-Std-810D,
Method
514, Procedure
|
(modlfied).
Resonant
searches along
all
three axes from
5 Hz
to 15
Hz
at 0.060-inch
displacemenltorT
minutes,
15 Hz
to
25
Hz
at
0.040-inch
displacement
for
3
minutes,
and 25
Hz
to
55
Hz
at
0.020-inch
displacement
for
5
minutes
(tested
to 0.025 inch).
Additional
dwellfor
10
minutes
in each
axis
at the
frequency of
the major resonance
or at
55
Hz if
none
was found.
Resonance
is
defined
as
twice
the input
displacement.
Total
vibration
time is approximately
75
minutes.
Shock
(operating
and
non-operating)
Three
guillotine-type
shocks
of
309,
one-half sine, 11
ms duration
each
direction
along
each major
axis for
a
total
of 18
shocks
(tested
to
509).
Transit
drop
(free
fall)
One
8-inch
drop on
each of six faces
and eight corners
(tested
at and meets
drop height of
12 inches).
Electromagnetic
lnterference
(EMl)
Conducted Emissions
Meets
requirements
described in MIL-Std-461
B, Part 4, except
as
noted.
1 kHz
to
15 kHz only
15 kHz
to 50
kHz,
relaxed
by
15 dB
Conducted
Susceptibility
Fulltimit
Fulllimit
Fulllimit
Radiated
Emissions
Relaxed
by
10
dB
for fundamental
1oth harmonic of
power
line
Exceptioned,
30
kHz
to
36
kHz
Fulllimit
Radiated
Suscepti
bility
Fulllimit
To
5
A only
up to
1
GHz
aAfter
storage
at temperatures
below
-1soc,
the
instrument
may not reset when
power
is
first turned on.
It this
happens,
allow the
instrument
to
warm
up {or
at least
15
minutes,
then
turn the
power
off for
5
seconds and
back
on.
Remarks
to
CE01
-
60
Hz
to
15
kHz
CE03-15 kHz
to 50 MHz
power
leads
CS01-30
Hz
to 50 kHz
power
leads
CS02-50
kHz
to
400 MHz
power
leads
CS06-spike
power
leads
RE01*30
Hz
to 50 kHz magnetic field
(measured
at
30
cm)
RE02-14
kHz to
10 GHz
RS01
-30
Hz
to
50
kHz
RS02
-
Magnetic lndu6tion
RS03-14
kHz
to
10
GHz
2-16