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UK
Example: dSt for window function
1 Volumetric flow quantity Q reaches 0.5% of VMR → dSt starts, output becomes active.
2 dSt elapsed, Q reached good range → output remains active.
3 Q above SP (leaves good range) → output is reset.
4 Q again below SP → output becomes active again.
5 Q below rP (leaves good range) → output is reset again.
6 Q reaches again 0.5 % of VMR → dSt starts, output becomes active.
7 dSt elapsed, Q has not reached good range → output is reset.
8 Q reaches good range, output becomes active�
5 Installation
5.1 Installation location
► Install the unit so that the measuring pipe is always completely filled�
► Arrange for inlet and outlet pipe lengths� Disturbances caused by bends,
valves, reductions, etc� are compensated for� It applies in particular: no shut-off
and control devices are allowed directly in front of the unit�
S = disturbance; D = pipe diameter; F = flow direction