Edgetech 4205 - 2.2 Towfish Specifications; Towfish Key Specifications Table; 2.3 Topside Specifications

2-27
2.2 Towfish Specifications
Specifications for the 4205 Towfish are as follows:
SPECIFICATION
VALUES
Size:
Diameter 12 cm (4.75 inches)
Length 140 cm (55 inches)
Weight in air:
52 kg (115 pounds)
Weight in saltwater:
36 kg (80 lb)
Construction:
Stainless steel
Maximum tow cable length:
6000 m (19,680 ft) Contact EdgeTech for cable type vs. length.
Depth rating:
2000 m (6560 ft)
Tow cable type:
Coaxial
Shear pin type:
8 mm (5/16 in.) Delrin rod
Shear force:
544 kg (1200 lb)
Modulation:
Full-spectrum chirp frequency-modulated pulse with
amplitude and phase weighting
Digital link:
4 Mbits/sec (typical),
4 channels of side-scan data plus sensor data
Maximum towing speed while meeting NOAA
and IHO-44S specifications of 3 pings on a 1-
meter cubed target at 100 meters (4205-SP):
4.8 knots
Maximum towing speed while meeting NOAA
and IHO-44S specifications of 3 pings on a 1-
meter cubed target at 100 meters (4205-MP):
HDM
4.8 knots
HSM
9.6 knots
Standard Sensors
Heading, pitch & roll
Maximum safe towing speed:
12 knots
Operating temperature:
0–45°C (32–113°F)
Storing temperature:
-20–60°C (-4–140°F)
Heading accuracy:
0.8° RMS
Pitch and roll accuracy:
0.2°
Optional sensor port:
(1) Serial – RS 232C, 9600 Baud, Bi-directional &
28VDC +/-4% (Based on Output Load)
Options:
Pressure Sensor, Magnetometer, Integrated USBL Acoustic
Tracking System, Built-in Responder Nose, Depressor, Power
Loss Pinger and Custom Sensors
Table 2-2: Towfish Specifications
2.3 4205 Topside Specifications
All Topsides run Windows operating systems and come loaded with the Discover Software. General
specifications can be found below.