ii
4.6 Multiple Timing Steps .................................................................... 14
4.7 Advanced Methods ........................................................................ 15
4.8 Method Setup and Calibration ....................................................... 16
5 Turbidity Measurement ........................................................................ 19
5.1 Operation ....................................................................................... 19
5.2 Turbidity Calibration ...................................................................... 19
6 Absorbance Measurement.................................................................... 20
7 Maintenance ......................................................................................... 21
8 Troubleshooting .................................................................................... 22
9 Appendix A. Pyxis Methods and Hach® Methods Cross Reference ....... 23