ULTRAFLOW®54(H)/(J)
42
KamstrupA/S∙TechnicalDescription∙5512‐1554_J1_GB_04.2018
q
p
Meter factor Flow at 125 Hz
[m³/h] [imp/l] [m³/h]
0.6 300 1.50
1.5 100 4.50
2.5 60 7.50
3.5 50 9.00
6 25 18.00
10 15 30.00
Table 14. Flow at saturation (125 Hz).
According to EN 1434 the upper flow limit q
s
is the highest flow at which the flow sensor may operate for short
periods of time (1h/day, 200h/year) without exceeding the max. permissible error. ULTRAFLOW
®
has no
functional limitations during the period, when the meter operates above q
p
.
Please note, however, that high flow velocities may cause cavitation, especially at low static pressure. See
paragraph 8.4 Guidelines for dimensioning ULTRAFLOW
®
.
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