3
CALIBRATION & ANALYSIS
∆ Calibration ..............................................................................................................27
Turbidity
Standards
......................................................................................... 27
Tubes
................................................................................................................... 27
Turbidity Calibration Procedure .................................................................... 27
∆ Analysis without Blanking Procedure ..............................................................32
∆ Analysis with Blanking Procedure ...................................................................33
∆ Dilution Procedure ...............................................................................................36
∆ Preparation of Turbidity-Free Water ................................................................36
∆ Testing Tips ............................................................................................................38
TROUBLESHOOTING GUIDE
∆ Troubleshooting ....................................................................................................39
∆ Stray Light ..............................................................................................................39
GENERAL OPERATING INFORMATION
∆ Overview..................................................................................................................40
∆ The Keypad .............................................................................................................40
∆ The Display and Menus .......................................................................................40
∆ Negative Results ...................................................................................................42
∆ Tubes and Chambers ...........................................................................................42
MAINTENANCE
∆ Cleaning ..................................................................................................................43
∆ Repairs ....................................................................................................................43
∆ Meter Disposal ......................................................................................................43
Refer to the
Quick Start Guide
for simplifi ed Calibration and Analysis procedures.
Refer to the
Testing Guide
for detailed Calibration and Analysis procedures for improving
the accuracy of low range turbidity measurements.