Tektronix TDS 420A, Service Manual, Page: 41 / 288

Warranted Characteristics
TDS 420A, TDS 430A & TDS 460A Service Manual
1- 19
Table 1- 15: Warranted Characteristics — Environmental, Safety, and Reliability
Name Description
Atmospherics Temperature
1
:
Operating, +0
_
C to +50
_
C (disk drive operation limited to +4
_
C minimum);
Nonoperating, --22
_
C to +60
_
C
Relative humidity:
Operating without disk, to 80%, at or below +29
_
C; to 20%, at or below +50
_
C;
Operating with disk, 20% (+4
_
C to +50
_
C) to 80% (+4
_
C to +29
_
C) ;
Nonoperating, 20% (+4
_
C to +60
_
C) to 90% (+22
_
C to +40
_
C)
Altitude:
Operating, to 15,000 ft. (4570 m);
Nonoperating, to 40,000 ft. (12190 m)
1
Maximum operating temperature is decreased 1
_
C per 1000 feet (305 meters) above 5000 feet (1525 meters).