Furuno R309TIDN Brochure
R309
broadbandbroadband
broadband
Preliminary
2 to 3 kW
Dual-Frequency
Low-frequency deep-water
detection at its best.
Meet the Biggest and Baddest!
Want to increase your catch? Want to detect ground
fish holding tight to the bottom in deep-water? Want to
mark bait fish as closely-spaced, individual fish? Then
Airmar’s R309 is the answer.
Frequency Agility
Airmar’s Broadband R309 is different than the R209
because it operates at ANY frequency between
25 kHz to 45 kHz and 130 kHz to 210 kHz. Adjusting
the frequency allows you to change the R309's
beamwidth and depth capabilities. For example if you
are bottom fishing in 61 m (200') of water, the narrow
high-frequency beam will display extreme bottom
detail and fish holding tight to structure. If you are
tuna or marlin fishing in deep blue water, the wider,
low-frequency beam will not only give deep-water
bottom detail, but more importantly show you more
of what is around your vessel—including bait which
may attract game fish. With the R309, you choose the
frequency for your fishing.
• The top performer in Airmar’s
professional line of fishfinder
transducers
• Only transducer on the market
that can operate at both 28
or 38 kHz
• Recommended for commercial
and sport fishing boats above
12 m (40’)
• Fast-response
water-temperature sensor
• Unique design lets the
transducer connector pass
through the stuffing tube
• Includes fairing and stainless
steel stuffing tube
• Xducer ID™ feature
R309
Technical Information
2 to 3 kW
ual-Frequency
D
Specifications
Frequencies Number of Rated TVR RVR
Elements and RMS Power
Configuration (W)
25-45 kHz-A 3 kW 169dB -167dB
130-210 kHz-BRlq 2 kW 172dB -184dB
Weight: . . . . . . . . . . . .23.8 kg (52.4 lb)
Hull Deadrise Angle: . . . . . . . . .0° to 25°
*does not calculate losses through the hull.
Figure of Merit
The graph shows that the R309 can run
optimally at a wide range of frequencies.
As Airmar constantly improves its
products, all specifications are subject
to change without notice. All Airmar
products are designed to provide high
levels of accuracy and reliability;
however, they should only be used as
aids to navigation and not as a
replacement for traditional navigation
aids and techniques.
25-45 kHz 130-210 kHz
FOM* -5 -12
Q 3 2
0
1
0
10
-
-20
(1)
-30
dB
-40
-50
-60
-70
20 30 40 45 50
Frequency (kHz)
0
1
0
10
-
-20
(1)
-30
dB
-40
-50
-60
-70
130 140 160 180 200 210
Frequency (kHz)
R309 Dimensions
R309 transducer
587.2 mm (23.12”)
201.4 mm
(7.93”)
5.76 mm
9
(3.77”)
105.7 mm
4.16”)
(
169.7 mm
(6.68”)
Directivity Patterns
28 kHz 38 kHz 45 kHz
50°
60°
70°
80°
90°
100°
110°
120°
130°
140 kHz 170 kHz 200 kHz
50°
60°
70°
80°
90°
100°
110°
120°
130°
30°
40°
140° 150° 160° 170° 180° 170° 160° 150° 140°
30°
40°
140° 150° 160° 170° 180° 170° 160° 150° 140°
20°
20°
10°
10°
0°
-10dB
-20dB
-30dB
-40dB
0°
-10dB
-20dB
-30dB
-40dB
10°
10°
20°
20°
-3dB Beamwidth
...11°x17°
30°
40°
-3dB Beamwidth
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
...7°
50°
60°
70°
80°
90°
100°
110°
120°
130°
0°
10°
20°
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
140° 150° 160° 170° 180° 170° 160° 150° 140°
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
140° 150° 160° 170° 180° 170° 160° 150° 140°
20°
10°
-10dB
-20dB
-30dB
-40dB
0°
-10dB
-20dB
-30dB
-40dB
10°
10°
-3dB Beamwidth
20°
...9°x15°
30°
40°
-3dB Beamwidth
20°
30°
40°
Tel: 603.673.9570 • Fax: 603.673.4624 • www.airmar.com
50°
60°
70°
80°
90°
100°
110°
120°
130°
...6°
50°
60°
70°
80°
90°
100°
110°
120°
130°
0°
10°
10°
10°
20°
-10dB
-20dB
-30dB
-40dB
0°
-10dB
-20dB
-30dB
-40dB
30°
10°
20°
30°
©Airmar Technology Corporation
20°
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
140° 150° 160° 170° 180° 170° 160° 150° 140°
20°
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
140° 150° 160° 170° 180° 170° 160° 150° 140°
-3dB Beamwidth
...7°x13°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
-3dB Beamwidth
...5°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
R309_rC 10/10/07
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