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Lovibond CheckitDirect User Manual

Lovibond CheckitDirect
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23
CheckitDirect_Cl-Br-pH-CyA-TA-CaH_2 09/2010
GB
Contents
General notes• .....................................................24
Guidelines for photometric measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Method notes ......................................................25
Functional description• ..............................................26
Operation .........................................................26
Measuring the absorbance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Countdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Methods• . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Chlorine, with tablet .................................................29
Chlorine, with liquid reagent ...........................................30
Bromine, with tablet .................................................31
pH-value, with tablet .................................................32
pH-value, with liquid reagent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
CyA-TEST (Cyanuric acid), with tablet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Alkaninity-m, with tablet ..............................................35
Hardness, Calcium with tablet ..........................................36
Menu options• .....................................................38
Menu selections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Recall of stored data .................................................38
Setting date and time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Calibration Mode• ..................................................39
User calibration .....................................................39
Recommended calibration values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Factory calibration reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Technical data• .....................................................41
Operating messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
CAUTION
The accuracy of the instrument is only valid if the instrument is used in an
environment with controlled electromagnetic disturbances according to DIN 61326.
Wireless devices, e.g. wireless phones, must not be used near the instrument.

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Lovibond CheckitDirect Specifications

General IconGeneral
BrandLovibond
ModelCheckitDirect
CategoryMeasuring Instruments
LanguageEnglish

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