Endress+Hauser Proline Prowirl R 200 - Page 186

Technical data Proline Prowirl R 200 HART
186 Endress+Hauser
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
²π
· 3600 [s/h]
4 ·
ρ [kg/m ]³
1 [kg/m ]³
Q [ /min] =
AmpMin
!³
v [!/s]
AmpMin
· · D [ft]
i
²π
· 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
→  177
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"
Temperature
• Saturated steam and liquids at room temperature, if T > 100 °C (212 °F):
< 1 °C (1.8 °F)
• Gas: < 1 % o.r. [K]
• Volume flow: 70 m/s (230 ft/s): 2 % o.r.
• Rise time 50 % (stirred under water, following IEC 60751): 8 s
Pressure
Order code for "Pressure component"
1)
Nominal value
[bar abs.]
Pressure ranges and measured errors
2)
Pressure range
[bar abs.]
Maximum measured error
Option B
Pressure measuring cell 2 bar_a
2 0.01 ≤ p ≤ 0.4
0.4 ≤ p ≤ 2
0.5 % of 0.4 abs.
0.5 % o.r.
Option C
Pressure measuring cell 4 bar_a
4 0.01 ≤ p ≤ 0.8
0.8 ≤ p ≤ 4
0.5 % of 0.8 bar abs.
0.5 % o.r.