Vega MINITRAC 31 Profibus PA Bedienungsanleitung PDF herunterladen (Seite 53)

6 Set up with the display and adjustment module

MINITRAC 31 • Probus PA

43836-EN-131119

In this menu item you can adjust the MINITRAC 31 to the integrated

isotope in the source container.

For this purpose, check which isotope is integrated in the source

container. You can nd this information on the type label of the source

container.

Through this selection, the sensitivity of the sensor is adapted

perfectly to the isotope. The normal reduction of the emitter activity is

hence considered through the radioactive decay.

The MINITRAC 31 requires this information of the automatic decay

compensation. This ensures an interference-free measurement over

the complete life time of the gamma emitter - an annual recalibration

is not necessary.

Enter the requested parameters via the appropriate keys, save your

settings with [OK] and jump to the next menu item with the [ESC] and

the [->] key.

Enter here, the respective application.

This menu item enables adaptation of the sensor to the requested ap-

plication. You can choose between the following applications: "Level",

"Point level" or "Summation Slave".

The natural radiation on earth inuences the accuracy of the meas-

urement.

With this menu item the natural background radiation can be faded

out.

For this purpose, the MINITRAC 31 measures the natural background

radiation and sets the pulse rate to zero.

In the future, the pulse rate from this background radiation will be

automatically deducted from the total pulse rate. This means: only

the component of the pulse rate originating from the source will be

displayed.

The source container must be closed for this setting.

Setup - Isotope

Setup - Application

Setup - Background

radiation

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Vega MINITRAC 31 Profibus PA Bedienungsanleitung Seite 53