Diver navigation and location system with sonar DDIS-500

DDIS-500 DIVER VISUAL SONAR DESCRIPTION The DDIS-500 visual sonar is used to detect and identify underwater mines by clearance divers in poor visibility conditions and is certified to STANG 2897 for a low-magnetic signature. The DDIS-500 also uses a low-light video camera with adjustable LED light to capture images of subsea objects. All data is stored on a removable USB drive. Specifications Imaging Sonar BLUEVIEW DUAL FREQUENCY SONAR Frequency: 900/2250kHz Horizontal Field of View: 45 deg Vertical Field of View: 20 deg Range: 100m @ 900kHz / 20m @ 2250kHz Navigation Sensors INS SBG-ELLIPSE HEADING SENSOR Accuracy: <0.5° to 1.5° RMS Pitch/Roll: ± 0.2° GPS Channels: 72 Accuracy: 2.5 Meters CPE Cold Start: < 30 seconds (90%) Reacquisition: < 2 sec (90%) ROWE DOPPLER VELOCITY LOG Frequency: 600 kHz Accuracy: 1% +/- 1mm/s Maximum Altitude: 120 m (394ft) Minimum Altitude: 0.4 m (1ft) DEPTH PRESSURE SENSOR Accuracy: 0.1% of Full Scale Navigation Accuracy Along Track Error: 5m at 4km over 4 hours ENVIRONMENTAL Depth Rated: 60m (197 ft.) Non Magnetic: To STANAG 2897, Class B Operating Temperature -4°C to 45°C / 25°F to 113°F Display LED Display: Color, 12 inch, 768/1024 Pixels Power: Battery Hot Swap Rechargeable Lithium Operational Life: 6 hours Mechanical Size: 56cm x 27cm x 38cm / 22.0” x 10.5” x 15.0” Weight In Air: 20kg (44 lbs) In Water: Neutrally Buoyant Housing Material: Delrin and Synthetic Foam Switches: Oil Filled, Mechanical