Simrad 3G - System Specifications and Maintenance

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Speci cations | Broadband 3G™ Radar Installation Guide
Speci cations
Characteristic Technical Data
Compliance CE, FCC (ID: RAY3G4G), IC: 4697A-3G4G
Environmental IEC60945 4th edition 2002-2008
Operating Temperature: -25° to +55°C
(-13° to +130°F)
Relative humidity: +35° C (95° F), 95% RH
Waterproof: IPX6
Relative wind velocity 51 m/sec (Max:100 Knots)
Power consumption (with 10m cable) Operating: 18W (Typ.) @ 13.8Vdc
Standby: 2W (Typ.) @ 13.8Vdc ~ 150mA
DC input (at end of radar cable) 9V to 31.2Vdc (12/24 Volt systems).
Reverse polarity protection
Transmitter source (pre-heating time ) No magnetron – Instant On™
Outside dimensions Height 280 mm x Diameter 489 mm
(Height 11” x Diameter 19.3” )
Scanner weight (no cable) 7.4 kg (16.31 lbs)
Radar and Antenna Parameters
Radar ranges 50 m (200 ft) to 24 nm with 17 range settings
(nm/sm/km)
Rotation (mode dependent) 24/36 rpm +/-10%
Transmitter frequency X-band - 9.3 to 9.4 Ghz
Transmitter source (warm-up time) No Magnetron – all solid state. Instant On™
Plane of polarization Horizontal Polarization
Transmitter peak power output 165 mW (nominal)
Main bang dead zone & tuning None – not a pulse radar
Sea and rain clutter 5X less than a pulse radar
Sweep repetition frequency 200 Hz
Sweep time 1.3 ms+/- 10%
Sweep bandwidth 75 MHz max
Horizontal beam width (Tx and Rx
antenna)
5.2°+/-10% (-3 dB width)
Vertical beam width (Tx and Rx an-
tenna)
25°+/-20% (-3 dB width)
Side lobe level (Tx and Rx antenna) Below -18 dB (within ±10°);Below -24 dB (outside
±10°)
Noise fi gure Less than 6 dB
Coms/Cabling/Mounting
Com protocol High Speed Ethernet
Heading NMEA2000 / SimNet with RI10 interface box
Inter connecting cable length Lowrance 10 m (33 ft)
Simrad, B&G 20 m (65.6 ft)
Maximum inter connecting cable
length
30 m (98.5 ft) – available as option
Bolts (4) M8x30 - 304 stainless steel
Footprint W233 mm (9.17”) (port / starboard) x L141.5 mm
(5.55”)
(matches Garmin GMR18HD / Raymarine RD218
footprint)
Compatible Displays
Simrad: Lowrance: B&G:
NSO, NSE, NSS HDS 5”, 7”, 8”, 10” Zeus 8” & 12”
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