My XCi has problems measuring velocity
Symptom
Cause
Remedy
No velocity reading
Doppler sensor not plugged into
card
Check connections
Faulty sensor
Follow
and if
damaged
Faulty Doppler card
Velocity drops out at low
depth
Depth too low for measurement
Sensor needs at least 50mm
depth
Doppler sensor is covered with
trash
Check sensor for trash and clear
Hydraulic jump on top of sensor
Use "
"
method
Velocity drops out at high
depth
Velocity is too slow. Slow flow
to drop
out of suspension
Check by throwing some "dirt"
into the flow. If velocity sta-
bilises, the water may be unsuit-
able for Doppler ultrasonics
Integration period not long
enough to collect data
Increase "
Doppler sensor is covered with
trash
Check sensor for trash and clear
MACE XCi User Manual - 224 -
Summary of Contents for HVFlo XCi
Page 1: ......
Page 10: ...MACE XCi User Manual 10...
Page 18: ...MACE XCi User Manual 18...
Page 21: ...MACE XCi User Manual 21...
Page 50: ...MACE XCi User Manual 50...
Page 98: ...MACE XCi User Manual 98...
Page 173: ...MACE XCi User Manual 173...
Page 178: ...MACE XCi User Manual 178...
Page 211: ...For a short video of the procedure click Play MACE XCi User Manual 211...
Page 238: ...3 Unscrew the locking ring using the tool and remove completely MACE XCi User Manual 238...
Page 239: ...4 Remove the damaged ceramic depth sensor MACE XCi User Manual 239...
Page 250: ...MACE XCi User Manual 250...