SW-2100-STDX
Swoffer Model 2100 Series & 3000 Series
0.1-25 ft/s (0.03-7.5 m/s) velocity range | ±1% accuracy with field calibration | 2" fiber-optic propeller sensor, 4 pulses/rev | 2100: 9V battery; 3000: 4x AA datalogger | 3000 logs 1,000 stations in 100 cross-sections
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