Tektronix 2247A

Performance Characteristics
Table 6-2
Environmental Characteristics
CHARACTERISTICS
DESCRIPTION
STANDARD INSTRUMENT
Environmental
Requirements
Temperature
Operating
Non-operating
Altitude
Operating
Non-Operating
Humidity (Operating and
Non-operating)
Radlated and conducted
Emission required per
VDE 0871
Instrument meets or exceeds the
environmental
requirements
of
MIL-T-28800D
for
Type
Ill,
Class
3,
Style
D
equipment,
as
described below3
~10°C to +55°C (+14°F to +131°F).
-51°C
to
+71°C
(-60°F
to
+160°F).
Tested
to
MIL-T-28800D
paragraphs
4.5.5.1.3
and
4.5.5.1.4,
except
In
4.5.5.1.3,
steps
4
and
5
(-10°C
operating
test)
are
performed
ahead
of
step
2
({-51°C
non-operating
test).
Equipment
shall
remain
off
upon
return
to
room
amblent
during
step
6.
Excessive
conden—
sation
shall
be
removed
before
operating
during step 7.
To 4,570 m (15,000 ft). Maximum
operating
temperature
decreases
1°C
per
1000 ft above 5000 ft.
To 15,240 m (50,000 ft).
Five
cycles
(120
hours)
referenced
to
MIL-T-28800D
paragraph
4.5.5.1.2.2,
for
Type
Ill,
Class
3
Instruments.
Non-operating
and
operating
at
95%,
-0%
to
+2%
relative
humidity.
Operating
at
+30°C
and
+55°C
for
all
modes
of
operation.
Non-operating
at
+30°C
to
+60°C
Meets Category B.
*Pertormance
not
checked
In
manual.
6-28
2247A Operators
U
f
v
a
C2