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Specifications
Specifications

Specifications

Velocity Measurement Metric Imperial
Profiling Range (Distance) 0.06 to 40 m, environmentally dependent 0.2 to 131 ft
Accuracy Up to +/- 0.25% of measured velocity; ±0.2cm/s +/- 0.078 in/s
Profiling Range (Velocity) ± 20 m/s1 ± 66 ft/s
Resolution 0.001 m/s 0.0032 ft/s
Number of Cells Up to 128 Up to 128
Cell Size 0.02 to 4 m 0.06 to 13 ft
Transducer Configuration Nine (9) transducers; Dual 4-beam 3.0 MHz/1.0 MHz Janus at 25º slant angle; 0.5 MHz vertical beam echosounder Nine (9) transducers; Dual 4-beam 3.0 MHz/1.0 MHz Janus at 25º slant angle; 0.5 MHz vertical beam echosounder
Depth Measurement Metric Imperial
Range 0.20 to 80 m 0.66 to 262 ft
Accuracy 1% [0.02% with a full water column sound speed correction] 1% [0.02% with a full water column sound speed correction]
Resolution 0.001 m 0.003 ft
Discharge Measurement Metric Imperial
Range with Bottom-Track 0.3 to 40 m 1 to 131 ft
Range with GNSS/GPS 0.3 to 80 m, extrapolated beyond 40 m 1 to 262 ft
Computations Internal Internal
Internal Recorder Size 8 GB 8 GB
Bathymetry Measurement Metric Imperial
Range 40 m (skew beams) to 80 m (vertical beam) 131 to 263 ft
Velocity Profiling Range ± 10 m/s ± 32.8 ft/s
Computations Software Software
Temperature Sensor Metric Imperial
Resolution ± 0.01° C ± 0.018° F
Accuracy ± 0.1° C ± 0.18° F
Compass/Tilt (Solid State Type)
Range 360°
Heading Accuracy ± 2°
Pitch/Roll Accuracy ± 1°
Power/Communications (No Telemetry)
Input Voltage 12 - 18 VDC
Communication Type RS232 direct
GNSS/GPS Communication RS232 serial input
Max Data Output Rate 1 Hz
Internal Sampling Rate Up to 70 Hz
Physical Environmental Metric Imperial
Depth (Pressure) Rating 30 m 164 ft
Operating Temperature -5 to 45° C 23 to 113° F
Storage Temperature -10 to 70° C 14 to 158 ° F
Weight in Air 2.3 kg 5 lb
Weight in Water -0.6 kg -1.3 lb
Power Communications Module (PCM) Metric Imperial
Communication Type 2.4 GHz radio 2.4 GHz radio
Battery Type Standard AA batteries2 Standard AA batteries2
Average Duration 8 hours of continuous use (6 hours with RTK) 8 hours of continuous use (6 hours with RTK)
Radio Range3 Standard (10 dBm) - High (22 dBm) Standard (10 dBm) - High (22 dBm)
Base to Rover 1000 m - 3000 m 3281 ft - 9843 ft
PC/tablet to Rover 400 m - 1500 m 1312 ft - 4921 ft
GNSS/GPS Options Metric Imperial
SBAS GNSS Horizontal Accuracy5 <1.0 m < 3.3 ft
RTK GNSS Horizontal Accuracy5 <0.02 m < 0.066 ft
RTK GNSS Vertical Accuracy4,5 <0.04 m < 0.131 ft

Additional Notes:

1Please contact SonTek for accuracies better than 1%, or velocities >10 m/s.

2Standard AA batteries are defined as alkaline or NiMH rechargeables, with a diameter up to 14.5mm.

3High power may not be available in all countries; all ranges with default 2 dBi antenna and line-of-sight.

4Requires absolute RTK solution. Only available with HYPACK software. 

5Depends on multipath environment, antenna selection, number of satellites in view, satellite geometry, and ionospheric activity.