Lovibond Tintometer TB 210 IR Mode D'emploi page 31

Contents
GB
•
General notes ........................................................................................................32
General description ..................................................................................................32
Factory calibration ...................................................................................................32
Operating principles .................................................................................................32
Guidelines for turbidity measurements .....................................................................33
Cleaning of vials & sampling containers ...................................................................34
Functional description ..........................................................................................35
•
Performing turbidity measurements .........................................................................35
Display backlight ......................................................................................................35
Recall of stored data ................................................................................................35
Correct positioning of the vial ..................................................................................35
Correct filling of the vial ...........................................................................................35
• Menu options ........................................................................................................36
Menu selections .......................................................................................................36
Recall of stored data ................................................................................................36
Setting date and time ..............................................................................................36
Calibration mode ..................................................................................................37
•
User calibration ........................................................................................................37
When to calibrate ....................................................................................................38
Factory calibration reset ...........................................................................................39
• T-CAL standards .....................................................................................................40
Storing T-CAL standards ...........................................................................................40
Using < 0.1 NTU standards ......................................................................................40
Preparing and using standards - infrequent use .......................................................40
Preparing and using standards - frequent use ..........................................................40
• Formazin standards ..............................................................................................41
Preparation of dilution water ...................................................................................41
Preparation of 4000 NTU Formazin Stock Solution ...................................................41
Preparation of dilutions from the 4000 NTU Formazin Stock Solution .......................41
• Indexing and matching sample vials ...................................................................42
Indexing a single sample vials ...................................................................................42
Indexing a set of sample cells ...................................................................................43
• Measurement techniques .....................................................................................44
Degassing - removal of bubbles ...............................................................................44
Measurement of high turbidity values ......................................................................45
Measurement of low turbidity values .......................................................................45
• Delivery content ...................................................................................................46
• Abbreviations - Technical data .............................................................................47
• Operating messages - Error codes ....................................................................48
TB 210 IR_2 04/2014
31