11─3
11.3 JMA-5220-7/9 TYPE RADAR
(1) Type of Emission P0N
(2) Display Color Raster Scan
(3) Screen 15-inch Color LCD
Effective diameter of radar display, more than 180 mm
(4) Range Scale 0.125, 0.25, 0.5, 0.75, 1.5, 3, 6, 12, 24, 48, 96nm
(5) Range Resolution Less than 25m
(6) Minimum Detective Range Less than 28m
(7) Range Accuracy Less than 1% of the maximum distance of the range scale in use or
less than 15m whichever is larger
(8) Bearing Accuracy Less than 1°
(9) Bearing Indication Relative Motion mode: Head-up/Course-up/North-up
True Motion mode: Course-up/North-up
(10) Ambient Condition According to IEC60945-4
Temperature
Scanner: -25 to +55℃
(Storage Temperature: -25 to +70℃)
Other Unit except Scanner: -15 to +55℃
Relative Humidity 93% at +40℃
Vibration 2 to 13.2Hz, amplitude ±1mm ±10%
13.2 to 100Hz, acceleration 0.7m/s
2
Velocity of the wind 51.5m/s (100kt)
(11) Power Supply Input +24VDC (Display Unit)
+24VDC (Scanner)
* Display Unit and Scanner correspond to 100VAC/220VAC
when use NBA-3308.
(12) Power Consumption Approx. 400W (In maximum wind velocity)
(13) Power Supply Voltage +24VDC –10/+30% (Display Unit)
Fluctuation +24VDC –10/+30% (Scanner Unit)
(14) Pre-heating Time Approx. Within 3min
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