10
FHG 1xx5
FLOW vs FREQUENCY
FLOW vs FREQUENCY
FHG 1xx7
Example
Flow meter: FHG 1xx4
Max processable input frequency of the downstream evaluating unit: 20 kHz
Max. operating flow: 140 l/min
Path 1: The diagram yields an IPf of 25
Path 2:
IPF ≈ f
max
x Vm
IPF1
x 60
Q
max
x 1000
= 20.000
x 3,138 ml x 60 s = 26,9 ≈ 25
140
1000 ml
1
s
