Master mechanic Security+ 642-2MM Manuel d'instructions télécharger pdf (Page 239)

7ML19981FB06 MultiRanger 100/200 – INSTRUCTION MANUAL Page 229

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Appendix B: Tech Reference

Universal, Linear [MR 200]

Please note that the Universal, Linear feature is only available on the MultiRanger 200.

Set P600 = 4.

This flow calculation creates a piece-wise linear approximation of the head/flow curve.

This option provides best results if the curve has sharp angles joining relatively linear

sections.

Enter a Head Breakpoint at each point where the head/flow curve bends sharply (2

minimum). For combination curves (mostly linear but include 1 or more arcs), enter

numerous breakpoints along the arc, for best flow calculation accuracy.

See also

Typical Flow Characterization

on page 83.

Universal, Curved [MR 200]

Please note that the Universal, Curved feature is only available on the MultiRanger 200.

This calculation creates a cubic spline approximation of the head/flow curve, providing

best results if the curve is non-linear, and there are no sharp angles.

Select at least enough breakpoints from the curve to satisfy the following:

• two breakpoints very near the minimum head

• one breakpoint at the tangent points of each arc

• one breakpoint at each arc apex

• two breakpoints very near the maximum head

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Master mechanic Security+ 642-2MM Manuel d'instructions Page 239