FISCHER PRO-LINE DE90 Operating Manual page 58

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