1. DOPPLER VOLUME SAMPLER (DVS) HARDWARE DESCRIPTION HIGH SPATIAL/TEMPORAL RESOLUTION SHORT RANGE PROFILING

2. H/W Introduction

3. DVS 750m System Overview  Options: o Inductive Modem (*shown below) o SBE38 Temperature Sensor o Fishing Line Shedder (** shown below) o Mounting Clamps (*** shown below) o Dampening Fin 65.1cm 10.2cm 62.1cm * *** ** Weight: –In Air: <7.6kg –In Sea Water: <2.3kg –Fiber wound Filament Housing –Delrin Transducer/Ecap/Options Included: –Heading +/-2deg –Pitch/Roll +/-1deg –Battery Pack –U/W Connector

4. DVS 6000m System Overview 67.6cm 13.3cm 64.4cm * ** *** ** ***  Options: o Inductive Modem (*shown below) o SBE38 Temperature Sensor o Fishing Line Shedder (** shown below) o Mounting Clamps (*** shown below) o Dampening Fin Weight: –In Air: <19.1kg –In Sea Water: <10.1kg –Aluminium Transducer/Housing/Ecap –Delrin Options Included: –Heading +/-2deg –Pitch/Roll +/-1deg –16KByte Flash Recorder –Battery Pack –U/W Connector

5. Transducer Configuration 2.4MHz Large beams <1deg beam widths 4 Beams in Janus Configuration 45 degree beam angles

6. Mounting Clamps Clamps to 3 / 8 ” to 3 / 4 ” diameter mooring lines All bolts are stainless steel with captured nuts to prevent loss Allows quick installation on to mooring line

7. Fishing Line Shedding Sheds lines from top and bottom Sheds without and without the Fin Quick Installation with captured screws

8. Vane Option Optional Vane to dampen vibrations due to line strumming Vane installs using existing clamps Quick install or removal

9. Temperature Sensor Option Standard = RDI low resolution temp sensor o ± 0.5ºC Precision Option = Seabird OEM SBE38 Oceanographic Grade Temp Sensor o ± 0.005ºC Precision o Isolated from plastic housing

10. End Cap Options Standard = Impulse 7 Pin Wet Mate Connector. Option = Integrated SeaBird OEM SBE38 Inductive Modem Module Option = User defined custom connectors Cable inserts to fit user cable size

11. Recorder Memory Built in 16Mbyte Memory –Store >95,000 individual ensembles –Recorder access independent of ping operation –Independent sampling schemes –Real time and data storage access

12. Power One internal battery pack per DVS Each pack consists of 12 Alkaline ‘D’ Cells –No shipping concerns –13.9VDC average pack voltage – Diode protection –220 WHrs total capacity –2 year deployment capable

13. DOPPLER VOLUME SAMPLER (DVS) THE FUTURE HIGH SPATIAL/TEMPORAL RESOLUTION SHORT RANGE PROFILING

14. DVS Status Completed 750m Prototypes available in Q3 2006 750m Product Release in Q3 2007 6000m Product Release in Q4 2008 In Process: SBE37 Interface Prototypes Q2 2009 WM1 Power Improvement Release Q4 2009 SBE37 Interface Release Q4 2009 DVS RS422 Interface Release Q4 2009 DVS DR Version Q4 2009 McClane Profiler Integration Prototype 2010

15. SBE-37 Conceptual Integration

16. Contacts Main Office: Teledyne RD Instruments, Inc. 14020 Stowe Drive Poway, CA 92064 Main: +1-858-842-2600 www.rdinstruments.com European Office: Teledyne RDI Europe 5 Avenue Hector Pintus La Gaude, France Main: +33-492-110-930 China Office: Teledyne RD Technologies: 1206 Dongfang Road, Pu Dong Shanghai 20122 China Main: +86-215-830-6939 Italy Representative: Gianni Basini & Sandro Giordano Communications Technology Pzza Guidazzi 3 Cesena 97023 Italy +39 0547 646561 gb@comm-tech.com sg@comm-tech.com www.comm-tech.com