Install The Instrument Cap Over The Cell Holder; Download A Test Procedure; Display - Hach DR300 User Manual

Figure 6 Install the instrument cap over the cell holder

Download a test procedure

1. Go to http://www.hach.com.
2. Enter "DR300" in the Search box.
3. Select the applicable instrument from the list.
4. Click the Downloads tab.
5. Scroll down to "Methods/Procedures".
6. Click the link for the applicable test procedure to download it.
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