Manual Integrator Supercal 531 06-06-2011 53
8.2.3 The Supercal 531 in combination with the flow sensor
Superstatic 440
Oscillating beam flow sensor Superstatic 440
The electronic output signal of the Superstatic 440 represents the oscillation frequency of the hy-
draulic fluid oscillator.
In the table below, please find the typical frequency at Qn (qp) as function for different nominal
flows (DN):
DN [mm] Qn (qp) [m3/h] pulse factor [Imp/l] f440 at Qn [pulse/sec]
25 3.5 15.18 14.758
25 6.0 8.70 14.500
40 10 5.75 15.972
50 15 3.75 15.625
65 25 2.25 15.625
80 40 0.810 9.000
100 60 0.540 9.000
125 100 0.330 9.167
150 150 0.222 9.250
200 250 0.1360 9.444
250 400 0.0865 9.611
Example of the configuration of the integrator Supercal 531 combined with a flow sensor Super-
static 440 with Qn 6 m3/h.
Configuration 531: requested precision 2% (minimum: 50 pulses)
Minimum holding time 5 seconds
Maximum holding time 40 seconds
In the table below, please find the response time in dependence of the flow and the requested pre-
cision:
flow
[m3/h]
frequency
[pulse/sec]
response
time [sec]
specification
parameter
precision
[%]
Qn 6.0 14.50 5 minimum period a) < 2
Qn / 2 3.0 7.25 7
achieved precision
b)
2
Qn / 10 0.6 1.45 35
achieved precision
b)
2
Qmin 0.06 0.145 40 maximum period c) 20
For explanations to a), b) and c), please see point 8.2.1, pages 51
Possible parameterisation of the integrator Supercal 531 with mains module: the flow parameters
are factory-set taking into account the specific properties of the flow sensor Superstatic 440.
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