5 Technical data
5.2 Electrical data
Power supply
15 ... 30 VDC, 200 mA
5.3 Output-signals
Analogue output
Signal: 4 ... 20 mA, isolated
Scaling: 0 to max flow
Max load: 250R
Pulse output
1 pulse per consumption unit, isolated switch,
max. 30 VDC, 200 mA (pulse length: 10 ... 120
ms, depends on flow rate)
Modbus output
See chapter 10.3
5.4 Accuracy
Accuracy*
±(1.5% of r 0.3% FS) (optional 1% of
reading)
Temperature drift: < 0.05%/K
Stated accuracy at
Ambient/process temperature 23°C ± 3°C
Ambient/process humidity <90%
Process pressure at 0.6 Mpa
Repeatability
± 0.25% of reading
*
Specified accuracy is valid only within the minimum and maximum flow
rates that are indicated in section 5.5.
5.5 Volumetric flow ranges
Inch
DN
Di
(mm)
S401-S
(m³/h)
S401-M
(m³/h)
S401-H
(m³/h)
½"
DN15
-
-
-
¾"
DN20
-
-
-
1"
DN25
27.3
0.5 ... 147.7
0.6 ... 294.7
0.6 ... 356.9
1¼"
DN32
36.0
0.9 ... 266.3
1.2 ... 531.5
1.2 ... 643.5
1½"
DN40
41.9
1.2 ... 366.7
1.5 ... 731.9
1.5 ... 886.2
2"
DN50
53.1
2.0 ... 600.1 2.5 ... 1197.6
3 ... 1450.0
2½"
DN65
68.9
3.5 ... 1026.5 5.0 ... 2048.6
5 ... 2480.4
3"
DN80
80.9
5.0 ... 1424.4 7.0 ... 2842.7
7 ... 3441.9
4"
DN100
100.0 10 ... 2183.3 12 ... 4357.2
12 ... 5275.7
10
