Operation Manual

4. Technical Data
4.2 Electrical Data
Power supply
15 ... 30 VDC, 200 mA
4.3 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 9.3
4.4 Accuracy
Accuracy ± 1.5% of reading ± 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
S 421 9