ADS Environmental Services IETG FlowHawk QR 775012 A4 - Manual (Page 352)

Specifications A-7
Surface Velocity
Accuracy +/- 0.08 meters per second (0.25 ft/sec) or 5% of
the actual reading (whichever is greater) in flow
velocities from 0.30 to 4.57 m/s (1.00 to 15.00
ft/sec)
Note: Flow conditions may cause the designated
accuracy to vary and hinder or prevent the
effective use of surface velocity technology.
Deadband 76 mm (3 in) from the bottom of the rear,
descended portion of the sensor
Minimum
Velocity
0.3 meters per second (1 ft/sec)
Frequency Varies based on the parameter settings
Range 7 to 1067 millimeters (3 to 42 in)
Resolution 0.003 meters per second (0.01 ft/sec)
Surcharge Peak Velocity
Range -9.1 to 9.1 meters per second (-30 to 30 ft/sec)
Frequency 250 kHz
Resolution 0.003 meters per second (0.01 ft/sec)
Accuracy 0.06 m/sec (+/- 0.2 ft/sec) or 4% of actual peak
velocity (whichever is greater) in flow velocities
from -1.52 to 6.10 m/sec (-5 to 20 ft/sec)