Racal Instruments 1261B User Manual page 172

Characteristic
Classification
Temperature
Operating
Non-operating
Relative Humidity
Operating
Non-operating
Altitude
Operating
Non-operating
Random Vibration
Operating
Non-operating
Functional Shock
Operating
User Bench Handling (Operating)
Electromagnetic Compatibility (EMC)
Emissions
Enclosure
AC Mains
Immunity, Enclosure, Radio Frequency
Electromagnetic Field
Immunity, Enclosure, Electrostatic
Discharge (ESD)
Immunity, Fast Transients, Common Mode
MTBF
MTTR – Power Supply, Fans, Filters, and
EMS or SMS module
Specification A-6
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Table A-5 Environmental
MIL-T-28800E Type III, Class 5, Style E or F
Meets the limits stated in MIL-T-28800E for Type
III, Class 5
o o
0 C to 55 C
o o
-40 C to 71 C
Up to 95% at up to 30
o
55 C
Up to 95% at up to 55
15,000 ft. (4570m)
40,000 ft. (12,190 m)
Three axis, 30 minutes total, 10 minutes per axis
0.27 g total from 5 Hz to 500 Hz
RMS
2.28 g total from 5 Hz to 500 Hz
RMS
Half sine, 30 g, 11 ms duration. Meets functional
shock requirements of MIL-T-28800E, Type III,
Class 5 (Operating and Non-Operating)
Each edge lifted four inches and allowed to free fall
onto a solid wooden bench surface.
Emissions shall be within the limits specified by the
following requirements:
EN 55011 and EN 55022 Class B
FCC Part 15 Class B limits for radiated emissions
EN 60555-2 AC power harmonic emissions
EN 55011 Class B, FCC Part 15 Class B limits for
conducted emissions
No mainframe failures when the mainframe is
subjected to a 3 V/m electromagnetic field over the
frequency range of 27 MHZ to 500 MHZ.
Up to 8 kV with no change to control settings or
impairment of normal operation.
Port Peak Voltage
Signal&Control 0.5 kV
DC Power
AC Power
41,196 Hours
< 5 minutes
Table A-6, Backplane
1261B User Manual
Description
o
C and up to 45% at up to
o
C
Tr/Th Rep Frequency
5/50 ns
0.5 kV 5/50 ns
1.0 kV 5/50 ns
Racal Instruments Ó 1995
5 kHz
5 kHz
5 kHz