Lovibond TurbiCheck Mode D'emploi page 27

Contents
GB
•
General notes
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General description ..................................................................................................28
Factory calibration ...................................................................................................28
Operating principles .................................................................................................28
Guidelines for turbidity measurements .....................................................................29
Cleaning of vials & sampling containers ...................................................................30
Functional description
•
Performing turbidity measurements .........................................................................31
Display backlight ......................................................................................................31
Recall of stored data ................................................................................................31
Correct positioning of the vial ..................................................................................31
Correct filling of the vial ...........................................................................................31
• Menu options ........................................................................................................32
Menu selections .......................................................................................................32
Recall of stored data ................................................................................................32
Setting date and time ..............................................................................................32
Calibration mode
•
User calibration ........................................................................................................33
When to calibrate ....................................................................................................34
Factory calibration reset ...........................................................................................35
• T-CAL standards
Storing T-CAL standards ...........................................................................................36
Using < 0.1 NTU standards ......................................................................................36
Preparing and using standards - infrequent use .......................................................36
Preparing and using standards - frequent use ..........................................................36
• Formazin standards
Preparation of dilution water ...................................................................................37
Preparation of 4000 NTU Formazin Stock Solution ...................................................37
Preparation of dilutions from the 4000 NTU Formazin Stock Solution .......................37
• Indexing and matching sample vials
Indexing a single sample vials ...................................................................................38
Indexing a set of sample cells ...................................................................................39
• Measurement techniques
Degassing - removal of bubbles ...............................................................................40
Measurement of high turbidity values ......................................................................41
Measurement of low turbidity values .......................................................................41
• Delivery content
• Abbreviations - Technical data
• Operating messages - Error codes
TurbiCheck_1b 01/2011
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