Wika DPT-10 Uživatelský manuál stáhnout pdf (Strana 51)

Linearisation curve

linear

Enter the requested parameter via the appropriate keys, save your

settings and jump to the next menu item with the [->] key.

In some application, small ﬂow quantities should not be detected. With

the creeping quantity suppression, the ﬂow value can be suppressed

up to a certain % value. The default value is 5 % of the max. ﬂow value,

corresponding to 0.25 % of the max. diﬀerential pressure value. The

limit value is 50 %. This function depends on the selected linearization

function and is only available with root extracted characteristics.

The square root/bidirectional square root characteristics is very steep

at the zero point. This means that small changes in the measured

diﬀerential pressure cause big changes in the output signal. The leak

volume suppression stabilises the signal output.

The DPT10 has two internal totalizers. For both you can adjust volume

or mass as count function as well as separately the unit.

Proceed as follows:

1 Select, for exa mple, menu item "Part su m counter".

Part sum counter

0.0000 10

gal

Modify settings?

2 Activate the function "Modify settings?" with [OK].

Part sum counter

▶

Eﬀective pressure transmitter

Unit

3 Conﬁrm with [OK] "Eﬀective pressure transmitter".

Part sum counter

▶

Mass ﬂow

▶

Volume ﬂow

Without unit

4 Select the requested variable with [->] and conﬁrm with [OK].

5 Select calibration unit of the eﬀective pressure transmitter with [-

>], for example m

/s and conﬁrm w ith [OK].

Leak ﬂow volume sup-

pression with ﬂow

Total amounts counter

and subtotalizer with

ﬂow

Diﬀerential pressure transmitter DPT10 - metal measuring diaphragm • Proﬁbus PA 51

6 Adjustment with the indicating and adjustment module

37245-EN-100120

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 95 96

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