How to Modify the Zero

Introduction

The configuration screen offers the following information for zero setting.

Designation	Description
Extent of the Recalibration Range	Any deviation from zero can be corrected as long as it does not exceed this range. It is defined as a % of the maximum range. It may take the values: +/-2 % PM (+/- 2 % of the maximum range) +/-5 % PM (+/-5 % of the maximum range)
Zero Tracking	This optional function is used to compensate for slow deviations from zero in the extent of range (+/-2 % of the maximum range). You are not advised to choose this option in the automatic installations.

NOTE: The discrimination between a slow deviation and a true weight is based on the following rule: any variation in weight lower than the semi-scale division whose repetition frequency is sufficiently weak to preserve the stability of the measurement is considered to be a deviation. The correction engendered by the function is limited to +/-2 % of the maximum range of the flip-flop. When this limit is exceeded, there is no automatic correction.

Procedure

The following table shows the procedure for defining zero.

Step	Action
1	Access the weighing module configuration screen.
2	Select the extent of range by using the drop-down menu.
3	If necessary, check the Zero tracking box to confirm this function.
4	Confirm the modification with the command Edit → Validate.

set to zero device

Device allowing the indicator to be recalibrated in the event of a deviation from zero (due to dirt accumulation, for example). This operation can only be carried out in the extent of zero range (+/-2 % or +/-5 % of the maximum range according to the weighing instrument).