Submersible Particle Size Analyzer
Submersible Particle Size Analyzer
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321
Features
- Small angle forward scattering laser diffraction technology
- Measures particle size, concentration, beam attenuation, VSF, depth, temperature
- Self-contained with internal programmable datalogger for autonomous data collection
- Externally powered (short- and long-term deployment battery packs included)
- USB connection to PC for programming, offloading and real-time size distribution displays
- Integrated depth and fast response temperature sensors
- Power and integrate up to three external analog sensors
- Analog output of mean particle size and total volume concentration for CTD integration
- Real-time output of complete Particle Size Distribution (for s/n 2131 and higher)
- Wide range of accessories available (see Accessories tab)
Specifications
Technology
- Small-angle forward scattering
- 32-ring custom photodiode Ring Detector + 4 large angle detectors
- 25 mm optical path
Parameters measured
- Particle Size Distribution from 1.0-500 µm in 36 size ranges
- Depth (600 m max depth @ 0.01 m resolution; 200 m with BioBlock installed)
- Temperature @ 0.01 deg C resolution
- Optical transmission @ 0.1% resolution
- Volume Concentration @ 0.1 µl/l resolution
- Volume Scattering Function from 0.039 to 13.8 degrees in water
- Analog output of Mean Size and Volume Concentration
Operating Concentration range
- Optical transmission from 0.3-0.99 (30-99%)
- Concentration from ~ 0.5-700 mg/l (grain-size dependent)
Mechanical and electrical
- Dimensions 10.03 cm (3.95”) Ø x 63.9 cm (25.2”) L
- Weight: 5.4 kg (11.9 lbs) in air, 1.7 kg (3.8 lbs) in water
- Operating depth: 600 meters max (200 meters for optional BioBlock accessory)
- External power input: 12 VDC nominal, 9-24 VDC
- Sampling rate: Up to 1 Hz
- Current drain at 12 V: 75 mA when Sampling (100 mA for serial number 2130 and earlier)
- Data storage: 1 GB (~12,000,000 size distributions)