32
promesstec GmbH
I Niedersachsenstraße 4 I D-48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29
E-Mail: [email protected] I Internet: www.promesstec.com
Table with flow ranges for individual DN sizes:
Diameter nominal
[mm]
Qmin [m3/h] as per Qmin /Qmax
Qmax
[m3/h]
1/60 (0.2 m/s)
1/100 (0.12
m/s)
1/200 (0.06
m/s)
(12 m/s)
DN 6
on request
DN 8
on request
DN 10
0.06
0.034
—
3.4
DN 15
0.13
0.076
0.038
7.6
DN 20
0.24
0.142
0.071
14.2
DN 25
0.35
0.21
0.105
21
DN 32
0.6
0.34
0.17
34
DN 40
0.9
0.54
0.27
54
DN 50
1.4
0.84
0.42
84
DN 65
2.4
1.44
0.72
144
DN 80
3.6
2.2
1.1
220
DN 100
5.6
3.4
1.7
340
DN 125
8.9
5.34
2.67
534
DN 150
13
7.6
3.8
760
DN 200
23
13.5
6.75
1350
DN 250
35
21.1
—
2115
DN 300
51
30
—
3050
DN 350
70
41
—
4150
DN 400
90
54
—
5426
6.2 Adjusting and control of the meter MDW/ MDH 500
1) User modification
Measuring mechanism enables user to turn the display according to meter installa-
tion. To change the display position, it is necessary to unscrew the top lid with meter
glass window. To change the position, work loose four attachment bolts, remove
protective metal frame together with printed circuit plate and turn it by 90° or 180°.
While turning it, give a particular attention to the connection cables with the source
component attached to the rear of meter head.
