FISCHER PRO-LINE DE90 - Page 58

5 | Operation FISCHER Mess- und Regeltechnik GmbH
58 BA_EN_DE90
5.5.1.3.3.1 Display range C1 unit
Directory: \Configuration\Channel 1\Characteristic C1\Displ.range C1 unit
Level: 4
Displ.range C1 unit
1 2 3 4
m³/h
l/s
cfm
Back
S
R
U
R
E
Fig.75: Display range C1 unit
The following units are available for selection:
m
3
/h Cubic metre per hour Default value
l/s Litre per second
cfm Cubic feet per minute
5.5.1.3.3.2 Formula C1
Directory: \Configuration\Channel 1\Characteristic C1\Formula C1
Level: 4
\...\...\...\Formula C1
1 2 3 4
Standard
Comefri
EBM Papst
Fläkt Woods
S
R
U
R
R
Fig.76: Formula C1
The following table lists the formulas specified by the respective manufacturer
for calculating the volume flow.
Comefri
EBM Pabst
Fläkt Woods
Nicotra Gebhardt
Rosenberg
Ziel-Abegg
q = k
2
ρ
q = k Δp
q =
k
Δp
1
Δp
Standard
Fig.77: Volumetric flow measurement Manufacturer's formulas