BALLASTWISE SPECIFICATIONS
Weight
6.4kg
Dimensions
38 x 31 x 18 cm (l x h x w)
Power Requirements
24V DC, 1,25A (100 – 250V mains adapter or from external computer battery bank)
Optical Resolution
2.4µm (10 – 50µm), 22µm (> 50µm)
Organism Sizes
Calculated for each individual as equivalent ellipse minor axis. Minimum detection width = 2x optical resolution.
Velocity Range
0.024 – 0.6mm/s (10 – 50µm), 0.22 – 22mm/s (> 50µm)
Sampling Accuracy
10 – 50µm
10 ± 50%, 20 ± 30%, 30 ± 20%, calculated per mL at 95% confidence.
Sampling accuracy
> 50µm
10 ± 30%, 20 ± 25%, 30 ± 20%, calculated per L at 95% confidence.
Max Concentrations
20,000 per unit volume (mL, L)
Measurement Time
20-30min
Sample Sizes
400 mL 10-50µm, 650 mL for >50µm
Chl a Detection
Approx. 5% of a single Tetraselmis suecica (reference organism) cell content (10 – 50µm)
Output
Video files (optional), tab-separated data files (position and size) for each organism at each point in time
Reports
Final result counts with risk assessment, size distributions (optional), track plots (optional)
Minimum Computer Requirements
8GB RAM, quad core CPU (PassMark CPU benchmark > 10,000), hard drive write speed > 120MB/s (PassMark Hard Drive benchmark > 7,000)
Minimum Screen Resolution
1600 x 900