Mace HVFlo XCi, Product Manual, Page: 187 / 255

Flowrate units
Select the units and the timebase from the drop down list boxes. This sets the units on the logged value.
Crossover depth
Enter the depth at which the " Flowrate (using trickle flow) " will "crossover" to using the " Velocity " value
measured by the MACE Area/Velocity Doppler sensor.
NOTE: " Crossover depth " is limited to half the diameter of the pipe.
Mannings coeff.
Enter the surface roughness of the pipe. Alternatively, click on and select one of the
published coefficients from the list.
WARNING: Users should be very careful to select the correct surface roughness
coefficient for their pipe type. Major errors can be induced with incorrect use
MACE XCi User Manual - 187 -