Marine radar KR-1238/ONWA
Marine Radar KR-1238 is a radar station of the ONWA company. The radar is a 12.1-inch TFT color LCD display with AIS, target tracking (ARPA) functions. Allows automatic tracking, detection of surface objects, determining such parameters as: speed, course, range, bearing, CPA/TCPA. The system software of the radar of the ONWA company can be updated via USB.
$1,837.00
The KR-1238 marine radar can be used in harsh conditions, thanks to a durable cast, waterproof case. The device display can withstand temperatures from -15 to +55°C, and the antenna unit – from -25 to +70°C. The radar remains operational at a relative humidity of up to 93%. The navigation device ensures the safety of navigation, the vessel.
Application areas
- Navigation: Marine radar tracks up to 40 automatic targets, ensuring safe navigation.
- Maritime safety. With the help of the displayed information, the radar allows to prevent possible collisions with surface obstacles.
Reasons to buy
- Wide range of operating temperatures.
- 12.1″ TFT color LCD display.
- Ability to track up to 40 automatic targets.
- AIS display function.
- Durable, cast, waterproof housing.
- User programmable function keys.
Radar function
Dimensions
Antenna emitter | KRA-1006 |
Radiator | Slotted waveguide grating |
Length of the emitter | 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° |
Lateral petal | Within ±20° of the main lobe; less than -18 dB Outside ±20° of the main lobe; less than -23 dB |
Polarization | Horizontal |
Transceiver module (located in the fairing) | |
Transmitting tube | MSF1421B or MAF1421B |
Frequency | 9410 MHz + 30 MHz (X-band) |
Output power | 4 kW |
Frequency, pulse length | 0.08 μs/2100 Hz (0.125, 0.25, 0.5, 0.75, 1.5 nm) 0.3 μs/1200 Hz (1.5, 2, 3 nm) 0.8 μs/600 Hz (3, 4, 6, 8, 12, 16, 24, 36 nm) |
Ready time | 1:30 min |
Modulator | Field Effect Transistor Switching Method |
Setting | Automatic or manual |
Receiver output stage | MIC (microwave integrated circuit) |
Duplexer | Circulator with diode limiter |
Bandwidth | Tx pulse length 0.3 µs, 0.08 µs: 25 MHz Tx pulse length 0.8 µs: 3 MHz |
Noise figure | 10dB |
Intermediate frequency | 60MHz |
Environmental conditions | |
Temperature | Display: from -15 to +55°C Antenna unit: from -25 to +70°C |
Humidity | Relative humidity 93% or less at 40°C |
Power supply | 10.5VDC to 40.0VDC, 60W (30W in Eco mode) |
Display | |
Type | 12.1 inch TFT color LCD, 32-bit with LED backlight |
Permission | 1024×768 pixels |
Display modes | North, Waypoint, Course, True Course * Requires heading input ** Requires heading, speed input |
Range, range interval, number of rings | 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: 2,2,4,3,4,6,4,6,4,6,4,6,4,6,4,6,6 |
Resolution by direction | 4° |
Directional accuracy | 1° |
Range of action | More than 30 m |
Range ring determination accuracy | 0.9% of either the usable range or 8m, whichever is greater |
Minimum range | More than 25 m |
Target tracking function | Number of detections: 40 Tracking: Automatic Display: Speed, course, range/bearing and CPA/TCPA |
Vibration | Total vibration 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 signal | Interval: 15 seconds, 30 seconds, 1 minute, 3 minutes, 6 minutes, 15 minutes, 30 minutes or continuous |
Interface | $–APB,$–BWC,$–BWR,$–DBK,$–DBS,$–DBT,$–DPT, $–GGA,$–GLC,$–GLL,$–GTD,$–HDG,$–HDW,$–HDT, $–MDA,$–MTW,$–RMA,$–RMB,$–RMC,$–VTG,$–VHW,$–XTE |
AIS display (requires AIS data input) | Data Received: AIS or ATON Vessels Tracking: Automatic Display: Vessel Name, MMSI, Call Sign, Range/Bearing, L/L, Speed/Course, ROT, CPA/TCPA |
Equipment
- Display unit – 1 pc.
- Radar antenna KRA-1006 – 1 pc.
- Antenna cable 10/15/20/30 m long (specify when ordering) – 1 pc.
- Power cable (3 m) – 1 pc.
- Operation manual – 1 pc.
- Standard set of spare parts and installation materials – 1 pc.
Optional
- Heading sensor KA-GC9A
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