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AL400T-WL_2a   07/2011

Part 3  Enclosure

 .................................................................................................25

3.1 

Unpacking .......................................................................................................26

3.2 

Delivery content ..............................................................................................26

3.3 

Technical data .................................................................................................27

3.4 

Abbreviations ..................................................................................................28

3.5 

Trouble-shooting... ..........................................................................................29

3.5.1 

Operating messages in the display / error display .............................................29

3.6 

Declaration of CE-Conformity ..........................................................................30 

Summary of Contents for AL400T-WL

Page 1: ...GB Instruction Manual Turbidimeter AL400T WL...

Page 2: ...tart measurement Record the NTU value 5 User Calibration Press Cal key 1 Place the 1000 NTU standard in the sample chamber making sure that the 2 marks are aligned Press key Reading starts automatical...

Page 3: ...the risks of using the required standards by reading the MSDS Material Safety Data Sheets Failure could result in serious injury to the operator or damage to the instrument MSDS www aqualytic de CAUT...

Page 4: ...ion drawing 13 2 2 Overview of function keys 14 2 2 1 Automatic switch off 14 2 3 Operation mode 15 2 3 1 Perform turbidity measurement 16 2 3 2 User calibration 18 2 3 2 1 When to calibrate 18 2 3 2...

Page 5: ...Part 3 Enclosure 25 3 1 Unpacking 26 3 2 Delivery content 26 3 3 Technical data 27 3 4 Abbreviations 28 3 5 Trouble shooting 29 3 5 1 Operating messages in the display error display 29 3 6 Declaratio...

Page 6: ...6 AL400T WL_2a 07 2011...

Page 7: ...7 AL400T WL_2a 07 2011 Part 1 Descriptions...

Page 8: ...measures turbidity in the range 0 01 to 1100 NTU FTU featuring auto ranging The light source is a tungsten lamp compliant with U S EPA 180 1 The emitted light is reflected by turbidity in the sample...

Page 9: ...vials d Bubbles on the inside of the vial lead to errors e See chapter 2 3 3 1 Removing bubbles Degassing Avoid spillage of water in the sample chamber If water should leak into the instrument f it c...

Page 10: ...sample used Replace scratched vials immediately Rinse vials thoroughly with deionised water after each measurement Clean all glassware thoroughly with laboratory detergent and rinse with deionised wat...

Page 11: ...11 AL400T WL_2a 07 2011 Part 2 Operating manual...

Page 12: ...t of batteries 2 1 2 Replacement of batteries Recommendation Don t use rechargeable batteries Switch the instrument off if neccessary 1 If necessary remove vial from the sample chamber 2 Place the ins...

Page 13: ...ies AA LR6 E seal ring F instrument back CAUTION To ensure that the battery compartment is water proof seal ring E must be in position battery compartment cover B must be fixed with the four screws A...

Page 14: ...sed and held this key can be used to index the current sample When the key is released a reading or calibration starts Change the calibration points ON OFF Cal 2 2 1 Automatic switch off The instrumen...

Page 15: ...tric units FNU s Below are some typical screens and a description of when you would see them When turning on the instrument or after a calibration this screen indicates that the instrument is ready to...

Page 16: ...settling Instrument operation Take a representative sample in a clean container Rinse the vial with approximately 10 mL of the sample 2 3 of cuvette volume capping the cuvette with the black light shi...

Page 17: ...sing and holding down the key while rotating the cuvette to identify the lowest reading the displayed turbidity is continuously updated on the display Once the cuvette is indexed release the key to di...

Page 18: ...ation Procedure The following procedure is recommended to perform a full range calibration Ensure that the calibration standards have been indexed prior to proceeding 1 Select the calibration function...

Page 19: ...l the cuvette snaps fully into the instrument Align the indexing ring with the arrow on the instrument see section 2 3 3 4 if the standard is not already indexed 9 Press and hold the button while maki...

Page 20: ...en completed When the instrument is switched on again the error message should be gone 2 3 2 5 Calibration Standards We recommend the following materials for calibration to achieve the accuracy stated...

Page 21: ...measured Vigorous shaking causes the surfactant to foam Liquid samples without rea dily volatile components Use of a partial vacuum A vacuum can be crea ted with the help of a clean oil free syringe o...

Page 22: ...clean unscratched and indexed vial Rinse the vial three times with the sample Allow the vial to stand for 1 5 minutes so that bubbles can disappear Carefully invert the vial so that settled particles...

Page 23: ...le holding down the key slowly rotate the calibration standard one complete revolution 360 pausing between increments to allow the display to update While rotating the standard observe the turbidity r...

Page 24: ...24 AL400T WL_2a 07 2011...

Page 25: ...25 AL400T WL_2a 07 2011 Part 3 Enclosure...

Page 26: ...mage or something is missing please contact your local distributor immediately 3 2 Delivery content Standard contents of the AL400T WL 1 AL400T WL in plastic case 4 batteries Type AA LR 6 2 Round vial...

Page 27: ...1 of reading or 0 01 NTU which ever is greater Operation Acid and solvent resistant touch sensitive keyboard Power supply 4 batteries Type AA LR 6 lifetime approx 26 h continuous use or 3500 tests Aut...

Page 28: ...011 3 4 Abbreviations Abbreviation Definition NTU Nephelometric Turbidity Unit FTU Formazine Turbidity Unit FNU Formazine Nephelometric Units FAU Formazine Attenuation Units mg l Milligram per litre p...

Page 29: ...are two battery warning levels A flashing battery icon on the display indicates that the batteries need to be replaced but the readings are still accurate This is a warning that the batteries are low...

Page 30: ...duct Product name AL400T WL Conforms with DIN EN 61 326 for specific defined electromagnetic environments Conforms with DIN EN 61 326 domestic Conforms to the regulation for ESD Electro Static Dischar...

Page 31: ......

Page 32: ...ision Aqualytic Schleefstra e 8 12 44287 Dortmund Tel 49 0 2 31 9 45 10 755 Fax 49 0 2 31 9 45 10 750 sales aqualytic de www aqualytic de Germany Technical changes without notice Printed in Germany 07...

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