Vector Seafloor Position Reference Transponders Operating depth At least 3,000 m Operating frequency bandwidth 20 to 34 kHz Transducer beams The beans shall be omni directional Transducer source levels At least 187 to 200 dB and shall be variable Receive Sensitivity At least -120 dB re 1V/ µPa Range resolution At least 15 mm Power 24 Volts, Passive battery life shall be between; 800 and 1200 days Operating temperature The operating temperature shall range from -5 to 350 C Dimensions The dimensions shall be at least 1,018 × 200 mm including a sensor guard Weight in air The air weight shall not exceed 30 kg The Following Sensors Shall be Installed in Each Seafloor Transponder System Temperature sensor Shall have an accuracy of at least ± 0.10 C System tilt switch Shall have a range of at least ± 400 Pressure sensor Shall have an accuracy of at least ± 0.01% Inclinometer tilt sensor Shall have a range of at least ± 900 , with an accuracy of at least ± 10 The unit shall also have a release mechanism, Gyro input, and external sensor power capabilities Specifications For Four Vehicle Mounted Acoustic Transponders Operating range Shall be no less than 955 m Maximum depth Shall be at least 450 m Operating frequency 20-34 kHz Transducer The bean shall be omni directional Source Level The transducer source level shall be at least 180 dB Range precision Shall be at least 15 mm Communication interface USB Battery life Shall be at least 80 days in passive mode and 12 hrs. in active mode (1 Hz ping rate) Battery charge time Shall be no greater than 12 hrs. Operating temperature -10 to 45°C Dimensions (length x diameter) Shall be no greater than 200 x 55 mm Weight in air/water Shall be no greater that 500/150 g Pinger addresses Shall be at least 300 independent channels
