TECHNICAL DESCRIPTION
ULTRAFLOW
®
54 and 34
5512-385 GB/02.2014/Rev. H1
48
9
Calibrating ULTRAFLOW
®
Calibration can be based on:
•
Pulses in standard mode
•
Pulses in test mode
•
Pulses using PULSE TESTER type 66-99-279
•
Serial data with the meter in test mode (e.g. used in connection with NOWA)
9.1
Installation
The installation angle must be taken into account installing ULTRAFLOW
. See the restrictions in
paragraph 7
Installation
. Also see
paragraph 9.9 Optimization in connection with calibration.
9.2
Technical data for ULTRAFLOW
q
p
Meter factor
Flow at 128 Hz
[m³/h]
[imp/l]
[m³/h]
0.6
300
1.54
1.5
100
4.61
2.5
60
7.68
3.5
50
9.22
6
25
18.4
10
15
30.7
15
10
46.1
25
6
76.8
40
5
92.2
60
2.5
184.3
100
1.5
307.2
Table 23. Output signal.
Output ULTRAFLOW
®
Type
Push-Pull
Output impedance
~10 k
Ω
Pulse duration
2…5 ms
Pause
Depending on current pulse frequency
Diagram 15. Block diagram for ULTRAFLOW
®
.