EF200R-C
25
Maximum measured error
Base accuracy
o.r. = of reading
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
Q
[m /h] =
AmpMin
³
v
[m/s]
AmpMin
· · D [m]
i
²
π
· 3600 [s/h]
4 ·
³]
m
/
g
k
[
ρ
³]
m
/
g
k
[
1
Q
[ /min] =
AmpMin
³
v
[ /s]
AmpMin
· · D [ft]
i
²
π
· 60 [s/min]
4 ·
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
A0034339
Further information on effective upper range value Q
High
→ See 13
Volume flow
Medium type
Incompressible
Compressible
Reynolds number
range
Measured value deviation
Standard
Standard
Re
2
to Re
max
A1
< 0.75 %
< 1.0 %
Re
1
to Re
2
A2
< 5.0 %
< 5.0 %
