Specifications – Furuno COLOR VIDEO PLOTTER 1933C User Manual
Page 240
SP - 1
E3503S02C
SPECIFICATIONS OF MARINE RADAR
MODEL 1833C/1933C/1943C
1. GENERAL
1.1. Indication System
PPI Daylight display, raster scan, color LCD
1.2. Range, Pulse length (PL) & 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 64*
0.8
600
*Maximum Range: M1833C: 36nm, M1933C: 48nm, M1943C: 64nm
1.3. Range Resolution
20 m
1.4. Bearing Resolution
M1833C: 4.0°, M1933C: 2.4°, M1943C: 1.9°
1.5. Minimum Range
27 m
1.6. Bearing Accuracy
±1°
1.7. Range Ring Accuracy
0.9 % of range or 8 m, whichever is the greater
2. SCANNER UNIT
2.1. MODEL1833C:
2.1.1. Radiator
Printed waveguide array
2.1.2. Polarization
Horizontal
2.1.3. Antenna Rotation
24 rpm nominal
2.1.4. Radiator Length
60 cm
2.1.5. Horizontal Beamwidth 3.9°
2.1.6. Vertical Beamwidth
20°
2.1.7. Sidelobe Attenuation
-18 dB or less (within ±20° of main-lobe)
-23 dB or less (±20° of main-lobe or more)
2.2. MODEL1933C:
2.2.1. Radiator
Slotted waveguide array
2.2.2. Polarization
Horizontal
2.2.3. Antenna Rotation
24 or 48 rpm nominal
High brilliance monitor: 24 rpm nominal only
2.2.4. Radiator Length
100 cm (XN10)
2.2.5. Horizontal Beamwidth 2.4°
2.2.6. Vertical Beamwidth
27°
2.2.7. Sidelobe Attenuation
-20 dB or less (within ±20° of main-lobe)
-28 dB or less (±20° of main-lobe or more)