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KR-1238

12-inch 36nm Marine Radar

 

Radar Feature

Radar Feature

 

Specifications

 Antenna Radiator 

Radiator
Slotted waveguide Array
Radiator Length
55 cm
Antenna Rotation Speed
24 RPM (±2)
Wind Resistance
Relative wind speed 100 knots(51.5 m/s)
Beam Width
Horizontal 4°
Vertical 25°
Sidelobe
Within ± 20° off mainlobe; less than -18 dB
Outside ± 20° off mainlobe; less than -23 dB
Polarization
Horizontal

 

 Transceiver Module (contained in Radome) 

Transmitting Tube
MSF1421B or MAF1421B
Frequency
9410 ± 30MHz (X-band)
Pulse Length PPR
0.08 µ s/2100 Hz(0.125, 0.25, 0.5, 0.75, 1.5 nm)
0.3µ s/1200 Hz(1.5, 2, 3 nm)
0.8 µ s/600 Hz(3, 4, 6, 8, 12, 16, 24, 36 nm)
Warm Up time
1:30 minutes
Peak Output Power
4 kW nominal
Modulator
FET Switching Method
IF
60MHz
Tuning
Automatic or Manual
Receiver front end
MIC (Microwave IC)
Bandwidth
Tx pulselength 0.3 µS and 0.08µS: 25 MHz
Tx pulselength 0.8µS: 3 MHz
Noise Figure
10 dB nominal
Duplexer
Circulator with Diode Limiter

 

 Environment 

Temperature
Display unit: -15 to +55°C
Antenna unit: -25 to +70°C
Humidity
Relative humidity 93% or less at 40°C

 

 Power Supply 

10.5 VDC to 40.0 VDC, 60W (30W in economy mode)

 

 Display Unit 

Type
12.1-inch LED backlight, 32-bit TFT Color LCD Display
Display Modes
Head-up, Course-up*, North-up*, True Motion**
* Heading input required
** Heading and speed inputs required
Range Scale
Range: 0.125, 0.25, 0.5,0.75, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36
Range Interval: 0.0625,0.125,0.125,0.25,0.25,0.25,0.5,0.5,1,1,2,2,4,4,6
Number of Rings: 2,2,4,3,4,6,4,6,4,6,4,6,4,6,6
Bearing Resolution
Bearing Accuracy
Within 1°
Range Discrimination
Better than 30 m
Range Ring Accuracy
0.9% or range in use or 8 m whichever is larger
Minimum Range
Better than 25 m
Target Tracking Function
Acquisition : 40
Tracking : Auto
Display : Speed, Course, Range/Bearing and CPA/TCPA
Vibration
Vibration Total Amplitude:
1 to 12.5 Hz± 1.6 mm
12.5 to 25 Hz± 0.38 mm
25 to 30 Hz± 0.1 mm
Echo Trail
Interval: 15s, 30s, 1min, 3mins, 6mins, 15mins, 30mins or continuous
Interface
any talker (menu selection) input
$–APB,$–BWC,$–BWR,$–DBK,$–DBS,$–DBT,$–DPT,
$–GGA,$–GLC,$–GLL,$–GTD,$–HDG,$–HDW,$–HDT,
$–MDA,$–MTW,$–RMA,$–RMB,$–RMC,$–VTG,$–VHW,$–XTE
AIS Display
Acquisition: AIS Vessels or ATON
Tracking : Auto
Display : Vessel Name, MMSI, Call sign, Range/Bearing, L/L
Speed/Course, ROT, CPA/TCPA
(AIS data input required)

 

 Equipment List 

Display unit: 1 unit
Radome Antenna unit: 1 unit
ANTENNA CABLE: 10/15/20/30m (Specify when ordering)
POWER CABLE: 3m
Operation Manual
Standard Spare Parts and installation materials : 1 set

 

Optional Accessories


KA-GC9A
Heading Sensor

 

Dimensions