Arthur Grillo 25110 Manual - Halaman 5

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Adjustment:

Menu structure:

unit:

operation mode:

parameter:

k-factor:

Setpoints:

maxUout:

P-parameter:

I-parameter:

controlling mode:

The device can use metric or imperial units.

In the software menu two operating modes can be set.

'controlling mode' and 'measuring mode'.

The device can use differential pressure (Pa or InH2O)

or volume flow (m

/h or cfm)

For volume flow calculation, a k-factor can be entered.

Range 1...1000, at higher measuring range maximum

k-factor for 32.000 m

/h (18.800 cfm).

Measuring range 50 Pa: maximum k factor = 1000

Measuring range 500 Pa: maximum k factor = 1000

Measuring range 1000 Pa: maximum k factor = 1000

Measuring range 4000 Pa: maximum k factor = 500

Volume flow calculation:

∆ ∆ ∆ ∆ ∆p

V = k ·

with

Two setpoints can be set from 0% to 100% of the

delivered measuring range.

Volume flow setpoints depend on k-factor and at

least 5% differential pressure.

Maximum output voltage can be set from 0,0 V to 10,0 V.

P-parameter for PI-algorithm can be set 0...1000.

I-parameter for PI-algorithm can be set 0,00...100,00

The controlling mode can be changenin 'normal' or 'invers'.

V = volume flow (m

/h or cfm)

k = k-factor

∆p = diff. pressure (Pa or InH2O)