Vega MINITRAC 31 Profibus PA Bedienungsanleitung PDF herunterladen (Seite 54)

6 Set up with the display and adjustment module

MINITRAC 31 • Probus PA

43836-EN-131119

In this menu item you can select the temperature unit.

in this menu item you can select if you want to carry out a single or

double point adjustment on the sensor.

With the double point adjustment, the Delta I value is selected auto-

matically.

We recommend selecting the double point adjustment. To use this,

you must be able to change the level of the vessel so as to carry out

the adjustment of the sensor with full status (covered) and with empty

status (uncovered).

Hence, you will get a very reliable switching point.

With single point adjustment, you have to dene the dierence

between the min. and max. adjustment points (Delta I) yourself during

the following setup.

This menu item appears only if you have selected "Single point

adjustment" as adjustment mode (Setup/Adjustment mode).

In this menu item you determine the point at which the MINITRAC 31

should switch in uncovered status.

Empty the vessel until the sensor is uncovered.

For this enter the requested pulse rate manually or let the rate be

determined by MINITRAC 31. Automatic determination of the pulse

rate should be given preference.

The pulse rate is entered in ct/s. This is the number of counts per

second, i.e. the measured gamma radiation reaching the sensor.

Prerequisites:

•

Radiation is switched on - Source container is set to "ON"

•

There is no medium between source container and sensor

You can enter the value for "Adjustment uncovered" (ct/s) manually.

Setup - Unit

Setup - Adjustment mode

Setup - Adjustment

uncovered (single point

adjustment)

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Vega MINITRAC 31 Profibus PA Bedienungsanleitung Seite 54