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Recalibration

Created by: ni lar at: 10/28/2011 3:17 AM (1 Replies)

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10/28/2011 3:17 AM	Rate (0)
ni lar Posts: 39 Rating: (0)	Dear All, I want to recalibrate Siemens SiwarexU load Cell. Zero calibration is already done. Load cell also read well the Weight. But now I want to recalibrate as follow. Three Load Cell is mounted under the Tank. Inside the Tank already have the liquid. Screw pump is mounted on the top of the Tank cover . Now we need to remove screw pump . We cannot remove the liquid inside the Tank. So We need to minus the weight of the the screw pump weight. So Zero calibration also cannot do. Because inside the tank already have the liquid around 800kg. So please help me how to solve this problem. Thanks & Best Regards, Ni Lar
ni lar Posts: 39 Rating: (0)
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10/28/2011 10:19 AM	Rate (0)
ABenno Posts: 206 Rating: (22)	Hello Ni Lar, the task you want to do is a little more complicated tha a standard calibration. I suppose that the scale indicates the weight of the liquid inside. 1. You have to read the actual digits (see shot "digits.jpg) and note them. 2. Remove the pump. 3. Read the new actual digits and note them. 4. Calculate the difference between the digits and note it. 5. Read all data from Siwarex U (see shot "read_all.jpg) 6. Go to DR3 (DR4 for channel 2) tab "Adjustment digits" 7. Subtract the differnce from 4. from "Adj. digits 0" and "Adjustement digits 1" (see Adj.jpg) 8. Send DR3 (DR4 for channel 2). Now the Siwarex U should show the actual weight like before. Regards ABenno Attachment shots.zip (123 Downloads)
ABenno Posts: 206 Rating: (22)
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