Tektronix RFA300A, Руководство пользователя

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Appendix A: Specifications
A- 14
RFA300A Measurement Set 8VSB
Environmental Characteristics
Table A- 7: Environmental characteristics
Characteristic Description
Cooling airflow Intake is from the front and sides of the instrument. Exhaust is to the bottom and rear of the
instrument.
Required Clearance 2 in. (50 mm) air space adjacent to the bottom of the instrument is required.
Use Rating Rated for indoor use only.
Atmospherics
Temperature:
Operating (meeting accuracy
specifications) +5
°
C to 45
°
C (32
°
F to 113
°
F), 30
°
C/hr max gradient, non-condensing (derated 1
°
C or
1.8
°
F per 1,000 ft. or 305 m above 5,000 ft. or 1524 m altitude)
Operating (without damage) +5
°
C to 50
°
C (32
°
F to 122
°
F), 30
°
C (54
°
F)/hr max gradient, non-condensing (derated
1
°
C per 1,000 ft. or 305 m above 5,000 ft or 1524 m altitude)
With a floppy diskette media in the floppy drive the operating specification lower limit is
10
°
C (50
°
F).
Non-operating --20
°
C to 60
°
C (--4
°
F to 140
°
F), 30
°
C (54
°
F)/hr max gradient, non-condensing.
Humidity
Operating 20% to 80% relative humidity, non-condensing. Max wet bulb temperature: 31
°
C or 87.8
°
F
(at 50
°
C or 122
°
F, maximum relative humidity is ~50%).
Non-operating 8% to 80% relative humidity, non-condensing. Max wet bulb temperature: 40
°
C or 104
°
F
(at 50
°
C or 122
°
F, maximum relative humidity is ~50%).
Altitude
Operating Up to 10,000 ft. (3,040m), (derated 1
°
C or 1.8
°
F per 1,000 ft. [305 m] above 5,000 ft.
[1524 m] altitude)
Non-Operating 40,000 ft (12,190 m)