Hach Portable Spectrophotometer DR 2800 - Manual (Page 89)

89
Advanced Operations
6.4.2 Take single wavelength measurements
1. Insert the blank cuvette/cell into the cuvette/sample cell holder.
Press Zero.
Note: The Read key is only active after the zero measurement has
been completed.
2. Insert the sample cuvette/cell into the cuvette/sample cell
holder. Press Read.
3. For data storage, see section 5.3.1 on page 37 .