Kamstrup ULTRAFLOW 54 Technical Description page 39

TECHNICAL DESCRIPTION
According to DS/EN 1434 the upper flow limit q
periods of time (<1h/day, <200h/year) without exceeding max. permissible errors. ULTRAFLOW
limitations during the period when the meter operates above q
Please note, however, that high flow velocities may cause cavitation, especially at low static pressure. See
paragraph 8.7 Guidelines for dimensioning ULTRAFLOW
q
Meter factor Flow at 128 Hz
p
[m³/h] [imp/l]
0.6 300
1.5 100
2.5 60
3.5 50
6 25
10 15
15 10
25 6
40 5
60 2.5
100 1.5
Table 19. Flow at max. pulse frequency (128 Hz).
is the highest flow at which the flow sensor may operate for short
s
®
.
5512-385 GB/02.2014/Rev. H1
ULTRAFLOW
[m³/h]
1.54
4.61
7.68
9.22
18.4
30.7
46.1
76.8
92.2
184.3
307.2
.
p
®
54 and 34
®
has no functional
39