Microsoft Word Manual rev doc

Using DepositScan 

 

(1) Insert the water sensitive paper or Kromekote® card face down into the scanner. 

(2) Open your “DepositScan” folder, and double-click on “DepositScan.bat” to run 

the program.  The ImageJ window will appear on the screen. 

 

(3) From the ImageJ window, click on “Plugins” and select “Twain 6”. 

 

 

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(4) The following screen will appear for selecting the scanner source.  Highlight your 

scanner driver and then click on “Select”. 

 

 

 

(5) Click “Scan”. 

 

 

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(6) After the scanner has finished scanning the card, the following screen will 

appear: 

 

 

(7) Click the “

□

” in the option box and draw a box around the desired area of spray 

deposits to be analyzed. Click “AA” in the option box, and click back in the 

deposit area to begin the analysis. 

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(8) The result sheet appears as below.  It reports the droplet size distribution (DV.1, 

DV.5, and D V.9), the percent coverage of deposits within the selected area 

(%Coverage), the image area analyzed (Image Spot Area), the individual droplet 

sizes (Actual Diameter), and the total number of droplets.  The third column 

shows the actual droplet diameters sorted from the smallest to the largest.  You 

may click on “Save” to save the report to a data file, which can be opened by 

Microsoft Excel 

Note:  

 

DepositScan converts each individual image spot area to the actual droplet diameter using 

the equation D

d 

= 1.06 A

s

0.455

.   

 

D

V.1

, D

V.5

, and D

 V.9

 represent the distribution of the droplet diameters such that droplets with 

a diameter smaller than D

V.1

, D

V.5

, and D

 V.9 

compose 10%, 50% and 90% of the total liquid 

volume, respectively. 

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