NorthStar 951X Installation Manual - Iec Compliance
APPENDIX A - Technical specifications
Page 62
951/952 INSTALLATION MANUAL Revision B
Physical features
Display Screen:
320 x 240 pixel (5.75" diag.)
High-temperature, backlit, transflexive
graphics LCD (full-color, if the 952)
Anti-reflection coated to minimize
glare
Environmental
Temperature:
0ºC – 55ºC max for the 951, 0ºC –
50ºC max for the 952, 95% relative
humidity, non-condensing
IEC compliance
The following table applies only to the Northstar 951.
Immunity to electromagnetic environment (1988/1992 amend.)
Internal DGPS receiver specifications
Signal processing
Number of Channels:
2
Frequency Range:
283.5–325.0 kHz
Tuning Resolution:
Minimum Signal Strength:
1µV/m @ 100bps
Dynamic Range
> 100 dB
Adjacent Channel Rejection:
> 50 dB at 1 kHz
Acquisition Time:
5 seconds, manual command
15 seconds, automatic warm start
15 minutes, automatic cold start *
Table 13: Standards for IEC compliance
Evaluation
Standard
Radiated emis-
sions
IEC 945 (1995) per 17.3, 17.4
Low temperature
IEC945 (1995) per 4.5.4.2.4
Dry heat
IEC 945 (1995) per 4.5.2
Damp heat
IEC 945 (1995) per 4.5.3
Corrosion
IEC 945 (1995) per 4.5.10
Vibration
IEC 945 (1995) per 4.5.7
Rain test
IEC 529–IPX 5