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● Correcting the Gravity Acceleration
If the place where actual load calibration is performed for a device is different from the place
where the device is installed, a difference in gravity acceleration between these places
causes an error in the gross weight value, resulting from conversion by the Load Cell Input
Unit, between the calibration place and the installation place. The gravity acceleration
correction allows this error to be corrected.
The gravity acceleration correction is based on the following equation to correct the gross
weight value:
Note, however, that the following cases do not require the gravity acceleration correction:
• The site where the actual load calibration is executed and the installation site are the same.
• For the force measurement system.
*1
• A Load Cell Input Unit is calibrated with the equivalent input calibration.
*1. This system measures a force applied to a load cell. The unit is N or kN.
Additional Information
For the gravity accelerations in Japan, refer to the following GSI website.
http://www.gsi.go.jp/kizyunten.html
For the gravity accelerations outside of Japan, refer to the following
Physikalisch-Technische Bundesanstalt website.
http://www.ptb.de/cartoweb3/SISproject.php
The steps to set the gravity acceleration correction with the Sysmac Studio are as follows.
With the Sysmac Studio and the CPU Unit being online, double-click your Load Cell
Input Unit in the Multiview Explorer to open the Edit Unit Operation Settings Tab
Page.
The following tab page is displayed.
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