Figure 6 Install the instrument cap over the cell holder
6.1 Download a test procedure
1. Go to http://www.hach.com.
2. Enter "DR300" in the Search box.
3. Select the "Downloads" option on the left side in the "Search Type"
box.
4. Scroll down to "Methods/Procedures".
5. Click the link for the applicable test procedure to download it.
14 English