Login  |  Register    You are not logged in.   Particle Size Analyzers   Suspended Sediment Sensors   Settling Velocity Sensors   Optical VSF Sensors   Radiative Transfer Models   Storm Runoff Sediment Sensor   Sediment Sensor for HydroPower   Industrial Sensors   LISST Instruments   LISST Accessories   Hydrolight   Theoretical Studies   Observational Studies   Instrument Development		LISST-HOLO Preliminary Features and Specifications  Features (subject to change without notice) In-situ digital holography Self-contained with internal datalogger Ethernet connection to PC for programmable data collection Power via external battery pack or external power source Two options for hologram offloading: Ethernet connection directly to PC (~4 seconds / hologram) External, submersible, swappable USB flash drive (~0.5 seconds / hologram)  Specifications (subject to change without notice)  Parameters Measured 2MB Hologram containing the interference pattern of all particles in the laser beam (what is a hologram?) Depth Temperature Parameters derived upon hologram processing Particle Size Distribution (PSD) Standard Deviation of PSD Particle Area Concentration Mean and Median particle size 120 seconds processing time per hologram (typical, @ 2.2 GHz PC) (what determines the processing time?) Sediment Size distribution and concentration range ~15-2500µm size range Beam attenuation values between 0 and 4 m-1 Technology Solid state laser diode @ xx nm, xx mW 4.4µm pixel size digital camera, 1600 x 1200 pixels 2 MB hologram size (what is a hologram?) Hologram capture rate programmable up to 1Hz Optical path length 50 mm standard Sampling volume 1.86 cm3 Maximum current velocity/CTD speed during deployment: 1.2 m s-1 (why is there a limit to current speed?) Mechanical and Electrical Dimensions: 13.3 cm × 76.7 cm (5.25" × 30.21") [Ø × L] Weight: 9.5 kg (21 lbs) in air; 3.6 kg (8 lbs) in water 300 m depth rating 32 GB internal solid state drive 32 GB external USB flash drive Battery life: 10,000 holograms for standard 9V, 42Ah battery External power input: 9VDC nominal, 6-15VDC Power drain: 500mA/xx mA/xx mA (measuring/quiescent/sleeping)		Holographic Camera First units to ship in late 2009 / early 2010! Preliminary Spec sheet available! Email us for more info! 2010 NWQMC 7th Nat'l Monitoring Conference Denver, CO, 25-29 April 2010, booth 304 USGS Nat'l Data Conference Omaha, NB, 11-13 May 2010 Joint 9th FIS and 4th HMC Conferences Las Vegas, NV, 27-20 June 2010, booth 207 9th annual StormCon San Antonio, TX, 2-4 August 2010, booth 421 Ocean Optics XX Anchorage, AK, 25 September - 1 October 2010 CASQA 6th annual conference CA, 1-3 Novemb
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