Simrad
Simrad Halo20+ Pulse Compression Radar
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Manufacturer-backed extended cover provided by Navico — add up to 3 extra years.
Extended cover is added to your order and confirmed with your warranty documentation.
Description
The Simrad Halo20+ brings high-power solid-state radar to a compact 20-inch dome, suiting a wide range of coastal and bay boats. Its 25 W pulse compression transmitter delivers high-quality short, mid and long-range detection out to 36 nautical miles, and Dual Range mode lets you watch distant weather cells and nearby collision hazards at the same time with no compromise at either range.
An industry-first 60 RPM rotation at ranges up to 1.5 nm gives a full sweep every second for an almost real-time picture, while built-in VelocityTrack Doppler technology colour-codes targets so you can instantly see what is closing in. MARPA tracks up to 10 targets (20 in dual range), InstantOn wakes the radar from standby in seconds, and an integrated blue accent light adds a finishing touch. The Halo20+ connects over Ethernet to compatible Simrad displays and ships with a 10 m interconnection cable.
PRODUCT DETAILS
- 25 W solid-state pulse compression radar in a compact 20-inch dome
- Up to 36 nm range with high-quality short, mid and long-range detection
- Ultra-fast 60 RPM operation at ranges up to 1.5 nm for collision avoidance
- Simultaneous Dual Range sees near and far at once
- VelocityTrack Doppler technology colour-codes approaching targets
- MARPA target tracking (up to 10 targets, 20 in dual range)
- InstantOn from standby with no warm-up, plus blue accent lighting
- Supplied with a 10 m interconnection cable
- Halo20+ Radar dome (with integrated blue accent LED light)
- Mounting bolts and washers (4x M8x30 hex bolts, flat washers, spring washers)
- Documentation pack
- Interconnection cable (10 m)
- Ethernet adapter, RJ45 to 5-pin (1.5 m)
- Waterproof cable boot for interconnection cable RJ45 plug
- Cable retainer kit (2x clips, 4x screws)
No exploded diagram available for this product.
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Range & Performance
| Radar type | Solid-state pulse compression dome radar |
| Antenna size | 20 inch |
| Maximum range | 36 nm |
| Minimum range | 6 m (19.7 ft) |
| Rotation speed | 20-60 rpm (mode and MFD dependent) |
| Transmitter source | No magnetron - all solid state, InstantOn |
RF & Antenna
| Transmitter frequency | X-band, 9.4 to 9.5 GHz |
| Transmitter peak power | 25 W |
| Horizontal beam width | 4.9 deg nominal (-3 dB); to ~2.5 deg with Target Separation Control HIGH |
| Vertical beam width | 25 deg (-3 dB nominal) |
| Plane of polarization | Horizontal |
| Pulse length | 0.04 to 64 usec +/-10% |
Electrical
| DC input | 10.5-31.2 V DC with reverse polarity protection |
| Power consumption | Operating 17-29 W (range/mode dependent); standby 3.9 W typ. at 13.8 V DC |
| Recommended fuse rating | 5 A |
Physical
| Dimensions (W x H) | 510 mm x 223 mm (20.08" x 8.78") |
| Weight (no cable) | 5.9 kg (13.0 lbs) |
Environment
| Operating temperature | -25 to 55 C (-13 to 130 F) |
| Waterproof rating | IPX6 |
| Max relative wind velocity | 51 m/sec (100 knots) |
Connectivity
| Protocol | Ethernet 100Base-T |
| Max interconnecting cable length | 30 m (98.5 ft), available as option |
No downloads available for this product.

