| Frequency 
 | 300 kHz 
 | 600 kHz 
 | 1200 kHz 
 | 
               
                  | Max Profiling Range 
 | 154m 
 | 66m 
 | 19m 
 | 
               
                  | 
                        Max Bottom Tracking Range
 | 260m 
 | 100m 
 | 28m 
 | 
               
                  | Velocity Accuracy (typical) 
 | ±0.5% of measured velocity ± 0.5 cm/s 
 | ±0.3% of measured velocity ± 0.3 cm/s 
 | ±0.3% of measured velocity ± 0.3 cm/s 
 | 
               
                  | Velocity Range 
 | ±5 m/s (default) to  ±20 m/s 
 | ±5 m/s (default) to  ±20 m/s 
 | ±5 m/s (default) to  ±20 m/s 
 | 
               
                  | 
                        Ping Rate
 | 2 Hz (typical) 
 | 2 Hz (typical) 
 | 2 Hz (typical) 
 | 
               
                  | 
                        Beam Angle
 | 20° 
 | 20° 
 | 20° 
 | 
               
                  | Depth Rating 
 | 200m (optional 500m or 6000 m) 
 | 200m (optional 500m or 6000 m) 
 | 200m (optional 500m or 6000 m) 
 | 
               
                  | Standard Sensors 
 | Temperature, Tilt, Compass 
 | Temperature, Tilt, Compass 
 | Temperature, Tilt, Compass 
 | 
               
                  | Communications 
 | Serial RS-422 or RS-232 ASCII or binary 
 | Serial RS-422 or RS-232 ASCII or binary 
 | Serial RS-422 or RS-232 ASCII or binary 
 |