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124 | Crystal Imager | Quality Control Charts
Quality Control Charts
Quality Control for
General radiography applications
Imager Type: __________
Film Type: ____________
Step 1: Print QC Test images on five consecutive days. Record the optical densities
measurements in the tables below. After five days, average the values to determine
the reference levels for each of the parameters.
Month
Day
Initials
Low Density
Mid Density
High Density
Step 2: Copy the calculated reference levels to Charts 2A/B ('Daily Density Control Chart')
Figure 11: Chart 1, Determination of Operating Levels
3831B EN 20210601 1655
Determination of Operating Levels
Serial #: _________________
Emulsion #: ______________
Densitometer: ________________ (default selection)
Day 1
Average of 5 Values = calculated reference L ow D e nsi ty l e v el
Average of 5 Values = calculated reference "Mid Density" level
Average of 5 Values = calculated reference Hi g h D e nsi ty l e v el
Day 2
Day 3
Chart 1
Date ____________________
Input Tray: _______________
Day 4
Day 5
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