User Manual User guide
Prepare formazin standards.....................................................................................................................................................29
Calibration notes.......................................................................................................................................................................30
Formazin calibration procedure................................................................................................................................................31
Making 4000-NTU formazin stock solution...............................................................................................................................32
Calibrate the turbidimeter with user-selected formazin standards...................................................................................................32
Prepare formazin standards – user selected............................................................................................................................33
Change the calibration points...................................................................................................................................................33
Maintenance...................................................................................................................................................................................33
Clean the instrument........................................................................................................................................................................33
Replace the LED light source..........................................................................................................................................................33
Replace a fuse.................................................................................................................................................................................33
Troubleshooting..........................................................................................................................................................................34
Error codes .....................................................................................................................................................................................34
Diagnostic codes..............................................................................................................................................................................35
Delete calibration data.....................................................................................................................................................................35
Flashing 9s.......................................................................................................................................................................................35
Flashing 0s.......................................................................................................................................................................................35
Replacement parts and accessories...............................................................................................................................36
Table of Contents
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