FURUNO

SPECIFICATIONS OF MARINE RADAR

FR-8062/FR-8122/FR-8252

FR-8xx2 Series

1.GENERAL

1.1Range, Pulse length & Pulse repetition rate (PRR)

 

 

Range (nm)

 

Pulse length (μs)

PRR (Hz approx.)

 

 

 

0.125 to 1.5

 

0.08

2100

 

 

 

1.5 to 3

 

0.3

1200

 

 

 

3 to 96

 

0.8

600

 

1.2

Maximum Range

96 nm (FR-8252), 72 nm (FR-8122 and FR-8062)

1.3

Range Resolution

20 m

 

 

1.4

Bearing Resolution

1.9° (4 ft), 1.2° (6 ft)

1.5

Minimum Range

20 m

 

 

1.6

Bearing Accuracy

±1.0°

 

 

1.7 Range, Range Ring Accuracy 1.0% of range or 8 m, whichever is the greater

2.ANTENNA UNIT

2.1XN-12A (4 ft)

2.1.1 Radiator 2.1.2 Polarization 2.1.3 Antenna Rotation

2.1.4Radiator Length

2.1.5Horizontal Beamwidth

2.1.6Vertical Beamwidth

2.1.7Sidelobe Attenuation

2.2XN-13A (6 ft)

2.2.1 Radiator 2.2.2 Polarization 2.2.3 Antenna Rotation

2.2.4Radiator Length

2.2.5Horizontal Beamwidth

2.2.6Vertical Beamwidth

2.2.7Sidelobe Attenuation

Slotted array

Horizontal

24 rpm, 36 rpm, 48 rpm. Range dependent or manual selection

120 cm (4 ft) 1.9°

22°

-24 dB or less (within ±10° of main-lobe)

-30 dB or less (±10° of main-lobe or more)

Slotted array Horizontal

24 rpm, 36 rpm, 48 rpm. Range dependent or manual selection.

180 cm (6 ft) 1.35° 22°

-28 dB or less (within ±10° of main-lobe)

-35 dB or less (±10° of main-lobe or more)

SP - 1

E3539S01G

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Furuno manual Furuno Specifications of Marine Radar, FR-8062/FR-8122/FR-8252