Endress+Hauser Proline Promass 80 - Influence of medium pressure

PROline Promass 80 10 Technical data
Endress+Hauser 87
Influence of medium
pressure
The tables below show the effect on accuracy of mass flow due to a difference between
calibration pressure and process pressure.
Promass F, M:
Promass H, I:
Promass E:
With nominal diameters DN 8...40, the effect on accuracy of mass flow due to a
difference between calibration pressure and process pressure can be neglected.
With DN 50 the influence is –0.009% o.r. / bar (o.r. = of reading)
Promass A:
A difference between calibration pressure and process pressure has no effect on
measuring accuracy.
DN Promass F
% o.r. / bar
Promass M
% o.r. / bar
Promass M / high pressure
% o.r. / bar
8 No influence 0.009 0.006
15 No influence 0.008 0.005
25 No influence 0.009 0.003
40 –0.003 0.005 –
50 –0.008 No influence –
80 –0.009 No influence –
100 –0.012 – –
150 –0.009 – –
o.r. = of reading
DN Promass H
% o.r. / bar
Promass I
% o.r. / bar
8 –0.017 0.006
15 –0.021 0.004
15
1)
– 0.006
25 –0.013 0.006
25
1)
– No influence
40 –0.018 No influence
40
1)
– 0.006
50 –0.017 0.006
1)
DN 15, 25, 40 “FB” = Full bore versions of Promass I