Chapter 7 - Maintenance and Calibration Procedures
_______________________________________________________________________________________________________________
MNL000628.doc
Revision 0
06/25/2019
Chemical Equipment
© Versum Materials US, LLC. as of the revision and date shown. All rights reserved.
Confidential and Proprietary Data
Page 7
-
5
Versum Materials Confidential
Figure 7-1: Bulk Scale Analog Reading
5. Place calibrated weight(s) on scale surface and verify the weight reading against the
actual gram value of the calibrated weight
Note, if calibrated weight not available use the empty 38 Liter Bubbler that will be
installed, reference 11.5 kg.
6. Adjust the span (right side) pot on front edge of scale as required so the weight is within
±0.05 kg of the actual calibrated weight
7. Remove weight(s) and verify zero, 4.00 mA, ±0.02. Adjust the zero pot (left side) on front
edge of scale as required so NET weight is within 4.00 mA, ±0.02
8. Repeat until no adjustment is required and measurements are within specifications