Endress+Hauser Proline Prowirl F 200, Operating Instructions Manual

Page: 200 / 224

Technical data Proline Prowirl F 200 PROFIBUS PA
200 Hauser
Re
min
Re
max
Re
Re
max
A2
A1
-A1
-A2
Re
1
Re
2
A0034077
Reynolds number
Re
1
5 000
Re
2
10 000
Re
min
Reynolds number for minimum permitted volume flow in measuring tube
• Standard
• Option N "0.65% volume PremiumCal 5-point, extended turndown"
Q [m /h] =
AmpMin
³
v [m/s]
AmpMin
· · D [m]
i
² π
· 3600 [s/h]
4 ·
ρ [kg/m ] ³
1 [kg/m ] ³
Q [ /min] =
AmpMin
!
³
v [
!
/s]
AmpMin
· · D [ft]
i
² π
· 60 [s/min]
4 ·
ρ [lbm/ ] #³
0.0624 [lbm/ ]
!
³
A0034304
Re
max
Defined by internal diameter of measuring tube, Mach number and maximum permitted velocity in
measuring tube
Re =
max
ρ · 4 · Q
Heigh
· · K μ π
A0034339

Further information on effective upper range value Q
High
→  193
Volume flow
Medium type Incompressible Compressible
Reynolds number
Window Measured value deviation PremiumCal
1)
Standard PremiumCal
1)
Standard
Re
2
to Re
max
A1 < 0.65 % < 0.75 % < 0.9 % < 1.0 %
Re
1
to Re
2
A2 < 2.5 % < 5.0 % < 2.5 % < 5.0 %
1) Order code for "Calibration flow", option N "0.65% volume PremiumCal 5-point, extended turndown"