| Simrad Halo 20 | Simrad Halo 20+ | Simrad Halo 24 |
Compliance | CE, FCC (ID:RAY3G4G), IC: 4697A-3G4G |
Environmental | IEC60945 : 2002 Operating Temperature: -25° to +55°C (-13° to +130°F) Relative humidity: +35° C (95°F), 95% RH Waterproof: IPX6 Max relative wind velocity 51 m/sec (100 Knots) |
Power & Dimensions | | | |
Power consumption (with 10m cable) | Operating: 17.to 20W at 13.8 V | Operating: 17 to 29W at 13.8 V |
| Standby: 3.9W (Typ.) at 13.8 V DC ~ 170 mA DC input (at radar end of cable) 9 V to 31.2 V DC (12/24 V systems) Reverse polarity protection Minimum start up voltage 10.75 V DC |
Transmitter source (pre-heating time) | No magnetron Instant On |
Outside dimensions | Ø Diameter 510 mm (20), Height 223 mm (8.8) | Ø Diameter 610 mm (24), Height 225 mm (8.9) |
Scanner weight (no cable) | 5.9kg (13 lbs) | 6.75kg (14.9 lbs) |
Radar and Antenna parameters | | | |
Radar ranges | 100 m (328 ft) to 24nm with 17 range settings, (nm/sm/km) | 100 m (328 ft) to 36nm with 18 range settings, (nm/sm/km) | 100 m (328 ft) to 48nm with 19 range settings, (nm/sm/km) |
Rotation (mode dependent) | 20-24rpm | 20-60 rpm (mode and MFD dependent) |
Transmitter frequency | X-band -9.4 to 9.5 GHz |
Transmitter source (warm-up time) | No Magnetron all solid state. Instant On |
Plane of polarization | Horizontal Polarization |
Transmitter peak Power output | 6W | 25W |
Minimum range | 6 m (19.7 ft) |
Sweep repetition Frequency | 700-2400 Hz (mode dependent) |
Pulse length | 0.04 -64 usec |
Sweep bandwidth | 48 MHz max |
Horizontal beam width (Tx and Rx antenna) | | 4.9° nominal (-3 dB width) | 3.9° nominal (-3 dB width) |
Target Seperation Control | Not available | OFF: 4.9°+/-10% (-3 dB width nominal) MED: ~3.2°+/-10% (-3 dB width nominal) LOW: ~4.3°+/-10% (-3 dB width nominal) HIGH: ~2.5°+/-10% (-3 dB width nominal) | OFF: 3.9°+/-10% (-3 dB width nominal) LOW: ~3.4°+/-10% (-3 dB width nominal) MED: ~2.5°+/-10% (-3 dB width nominal) HIGH: ~2.0°+/-10% (-3 dB width nominal) |
Vertical beam width (Tx and Rx antenna) | 25° (-3B width nominal) | 22° (-3B width nominal) |
Side lobe level (Tx and Rx antenna) | Below -18 dB (within ±10°);Below -24 dB (outside ±10°) |
Noise figure | Less than 5 dB nominal |
Communications/Cabling | | | |
Protocol | Ethernet 100 Base T |
Maximum inter Connecting cable length | 30 m (98.5 ft) available as option, use NEP-2 for longer cable runs |