UMS HYPROP Operation Manual page 61

tension
[hPa or kPa]
regular measurement range
2000
1000
0
The four phases using one tensio shaft as example
measured values
Phase 1 Phase 2
boiling cavitation
delay
62 | Optimal measuring curve
air entry point of the tensio shaft
Phase 3 Phase 4
air entry
actual atmospheric air pressure
interpolated values
time