Furuno DRS12AX X-Class, Installation Manual, Page: 33 / 52

FURUNO
DRS6A/12A/25A X-Class
SP - 1
E3646S01C-M
SPECIFICATIONS OF RADAR SENSOR
DRS6A/12A/25A X-Class
1 ANTENNA UNIT
1.1 Antenna type Slotted waveguide array
1.2 Antenna length 3.4 ft (XN10A), 4 ft (XN12A), 6 ft (XN13A)
1.3 Horizontal beam width 2.3° (XN10A), 1.9° (XN12A), 1.35° (XN13A)
Radiator type XN10A for DRS6A X-Class only
1.4 Vertical beam width 22°
1.5 Gain 27.5 dBi (XN10A), 28.5 dBi (XN12A), 30 dBi (XN13A)
1.6 Sidelobe attenuation
XN10A -20 dB (within ±10°), -28 dB (±10° or more)
XN12A -24 dB (within ±10°), -30 dB (±10° or more)
XN13A -28 dB (within ±10°), -35 dB (±10° or more)
1.7 Rotation 24/36/48 rpm range coupled or 24 rpm fixed
1.8 Relative wind load 70 kn or less
2 RADAR FUNCTION
2.1 Tx frequency 9410 ±30 MHz
2.2 Output power
DRS6A X-Class 6 kW nominal
DRS12A X-Class 12 kW nominal
DRS25A X-Class 25 kW nominal
2.3 Duplexer Ferrite circulator with diode limiter
2.4 Intermediate frequency 60 MHz
2.5 Range, Pulse length and Pulse Repetition Rate (PRR)
Range (NM)
Pulse length (
μ
s) PRR (Hz. approx.)
0.125 to 0.75 0.08 3000
1 to 1.5 0.15 1500
2 0.3 1000
3 to 4 0.5 600
6 to 8 0.8 600
12 to 64 1.2 600
72 to 96 1.2 550
2.6 Minimum range 25 m
2.7 Range resolution 20 m
2.8 Range accuracy Within 1% of range in use
2.9 Bearing resolution 2.3 (XN10A), 1.9° (XN12A), 1.4° (XN13A)
2.10 Bearing accuracy Within ±1°
2.11 Pre-heating time 90 s approx.
2.12 Target tracking (TT) Auto or manual acquisition: 30 targets between 0.1 NM and 16 NM
Past position: 5/10 pts on all activated targets
Vector time: 1 to 60 min.
3 INTERFACE
LAN: 1 port, Ethernet, 100Base-TX