Tektronix TLA 704, Руководство по обслуживанию

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Specifications
TLA 704 Color Portable Mainframe Service Manual
1–11
Table 1–9: Cooling
Characteristic Description
Cooling System Forced air circulation (negative pressurization) utilizing six fans operating
in parallel
Cooling Clearance 2 inches (51 mm), sides and rear; unit should be operated on a flat,
unobstructed surface
Table 1–10: Environmental
Characteristic Description
Atmospherics
Temperature (no media in floppy drive)
Operating +5
°
C to +50
°
C, 15
°
C/hr maximum gradient, non-condensing. Derated
1
°
C per 1000 feet (305 m) above 5000 feet (1524 m) altitude.
Nonoperating –20
°
C to +60
°
C, 15
°
C/hr maximum gradient, non-condensing
Relative Humidity (no media in floppy drive)
Operating 20% to 80% relative humidity, non-condensing. Maximum wet bulb
temperature: +29
°
C (derates relative humidity to ~22% at +50
°
C)
Nonoperating 8% to 80% relative humidity, non-condensing. Maximum wet bulb
temperature: 29
°
C (derates relative humidity to ~22% at +50
°
C)
Altitude
Operating To 10,000 ft. (3040 m). Derated 1
°
C/1000 ft. (305 m) above 5000 ft.
(1524 m) altitude
Nonoperating To 40,000 ft. (12,190 m)
Dynamics
Random Vibration Three axis, 30 minutes total, 10 minutes per axis; without VXI instrument
modules installed, or with instrument modules installed but not
exceeding 5 lbs/slot
Operating 0.27 g
RMS
total from 5 Hz to 500 Hz
Nonoperating 2.28 g
RMS
total from 5 Hz to 500 Hz
Mechanical Shock
Operating
Half sine, 30 g, 11 ms duration, three drops each side, 18 shocks total,
no media in floppy drive, without instrument modules installed or with
instrument modules installed but not exceeding 5 lbs/slot. Meets
functional shock requirements of MIL-T-28800E, Type-III, Class 5