Specification—Type 422 AC-DC
Characteristic
Performance
Battery
Batteries
20 size D nickel-cadmium cells
supplied in battery pack, Tek
tronix Part No. 016-0066-02
(optional accessory).
Charge time (Power
Mode switch set to
CHARGE BATT
115V AC or 230V
AC)
At least 16 hours to reach full
capacity.
Operating time1 (bat
teries charged and
operated at +20° C
to +30° C)
SCALE ILLUM
off (full count
erclockwise)
At least five hours
SCALE ILLUM
at maximum
(fully clockwise)
A t least 4.5 hours.
TABLE 1-2
ENVIRONMENTAL
NOTE
This instrument will meet the electrical characteristics
given in Table 1-1 over the following environmental
limits. Complete details on environmental test pro
cedures, including failure criteria, etc., can be obtain
ed from Tektronix, Inc. Contact your local Tektronix
Field Office or representative.
Temperature
Without batteries
Operating
-15° C to +55° C
Non-operating -55° C to +75° C.
With batteries
Operating
-15° C to +40° C.
Non-operating
-40° C to +60° C.
Altitude
Operating
15,000 feet maximum.
Non-operating
Test lim it 50,000 feet.
Characteristic
Performance
Humidity
Non-operating
Five cycles (120 hours) of Mil-
Std-202C, Method 106B. Omit
freezing and vibration. Allow 24
hour post-test drying period at
+25°C ±5°C and 30% to 80%
relative humidity. Lim it maxi
mum temperature to +60° C if
tested with batteries.
Vibration
Operating and non
operating
15 minutes along each of the
three major axes at a total dis
placement of 0.025-inch peak to
peak (3.9 g at 55 c/s) with fre
quency varied from 10-55-10 in
one minute cycles. Hold at any
resonant point, or if none, at 55
c/s for three minutes on each
axis.
Shock
Operating Two guillotine-type shocks of 30
g, one-half sine, 11-millisecond
duration each direction along
each major axis. Total of 12
shocks.
Non-operating
One guillotine-type shock of 60
g, one-half sine, 11-millisecond
duration in each direction along
each major axis. Total of six
shocks.
Electromagnetic Inter
ference (EMI) As Test
ed in Mil-I-6181D
Radiated interference
Interference radiated from the
instrument under test within the
given limits from 150 kilohertz
to 1000 megahertz (with mesh
CRT filter installed).
Conducted interfer
ence
Interference conducted out of
the in strum e nt under test
through the power cord within
the given limits from 150 kilo
hertz to 25 megahertz.
Transportation
Packaged instrument
Qualifies under National Safe
Transit Commitee test procedure
1 A, Category II.
loperating time applies to new batteries. Ampere-hour capacity
may be reduced by as much as 20% after one year.
1-5
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