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3.5 Abbreviations

Abbreviation

Definition

Read/Avg

Signal Average function

NTU

Nephelometric Turbidity Unit

FTU

Formazine Turbidity Unit

FNU

Formazine Nephelometric Units

FAU

Formazine Attenuation Units

ASBC

American Society of Brewing Chemists

EBC

European Brewery Convention

mg/l

Milligram per litre

ppm

Parts per million

Содержание CW8200

Страница 1: ...Camlab CW8200...

Страница 2: ...d prolonged exposure to temperatures exceeding 35 C Store away from direct sunlight Vials should be stored in their original box which should be closed when not being used Always allow the standard to...

Страница 3: ...ead the description completely before performing the test Be aware of the risks of using the required reagents by reading the MSDS Material Safety Data Sheets Failure could result in serious injury to...

Страница 4: ...attery 10 2 1 4 Charging the rechargeable batteries 10 2 1 5 Fuse 11 2 1 6 Protective caps 11 2 2 Overview of funktion keys 12 2 2 1 Overview 12 2 2 2 Displaying time and date 12 2 2 3 User countdown...

Страница 5: ...als 24 2 3 8 6 Indexing a set of sample cells 25 2 4 Photometer settings Mode Men 27 2 4 1 blank because of technical requirements 2 4 2 Instrument basic settings 1 31 2 4 3 Printing of stored results...

Страница 6: ......

Страница 7: ...Part 1 Descriptions...

Страница 8: ...cattered light will be detected under an angle of 90 by a photo diode This principle is part of ISO 7027 The international Reference Standard for turbidity is a Formazin solution Results related to th...

Страница 9: ...on the inside of the vial lead to errors See chapter 2 3 8 1 Removing bubbles Degassing f Avoid spillage of water in the sample chamber If water should leak into the instrument it can destroy electron...

Страница 10: ...ns Replace scratched vials immediately Rinse vials continuous with deionized water after each measurement Clean all glassware continuous with laboratory detergent and rinse with deionized water thorou...

Страница 11: ...Part 2 Operating manual...

Страница 12: ...ep the instrument connected to mains adapter supply while chan ging the lithium battery 2 1 3 Replacement of rechargeable batteries resp Lithium battery 1 Switch the instrument off 2 If necessary remo...

Страница 13: ...batteries first 2 1 6 Protective caps If not used protect the two connections against damage e g corrosion caused by environ mental influences e g dust or splashing keep the protective caps in place G...

Страница 14: ...enu of instrument settings and further functions Moving the Cursor up resp down Storing of displayed test result Perform a measurement with signal averaging Perform a measurement Displaying date and t...

Страница 15: ...e last used user count down or press one number key to start entering a new value The entering comprises two digits each Enter minutes and seconds e g 2 minutes 0 seconds 0 2 0 0 Confirm with key The...

Страница 16: ...rement 2 3 2 1 Read Avg key measurement with Signal Average Press Read Avg key to perform a test with signal average function By pressing the Read Avg key Signal Average function is active Signal aver...

Страница 17: ...uld be measured immediately to prevent changes in sample characteristics due to temperature shifts and settling Performance Take a representative sample in a clean container Fill a clean and dry vial...

Страница 18: ...ering confirm with key If a code number is not necessary confirm by pressing directly The assignment for the Code No is then 0 automatically Store Code No _ _ _ _ _ _ 0 0 0 0 0 1 Place the vial in the...

Страница 19: ...s set automatically if a test result is stored It appears only at the print out The data set is stored with date time Code No and test result The display shows The test result is then shown again Note...

Страница 20: ...e instrument Press Read Avg key The Count down starts After the Count down is finished the reading starts automatically Place the 20 NTU Standard in the sample chamber making sure that the marks align...

Страница 21: ...ld be closed when not being used Store standards between 5 under 25 C Avoid prolonged exposure to temeratures exceeding 35 C Store away from direct sunlight Always allow the standards to acclimatise t...

Страница 22: ...k the turbidity of the dilution water before use If the turbidity is greater than 0 5 NTU FNU the water should be filtered with membrane filter 0 1 m Clean the required glassware with 1 1 hydrochloric...

Страница 23: ...k with dilution water Close and mix the flask 200 NTU Add 50 ml of dilution water to a clean 100 ml volumetric flask Pipette 5 00 ml well mixed 4000 NTU Formazin stock solution to this 100 ml flask Fi...

Страница 24: ...the surfactant to foam Liquid sam ples without readily volatile components Use of a particle vacuum A vacuum can be crea ted with the help of a clean oil free syringe or pump fitted onto the cuvette T...

Страница 25: ...ply the displayed result with the multiplication factor Note The dilution of water sample may alter the characteristics of the suspended particles and produce erroneous results 2 3 8 3 Measurement of...

Страница 26: ...new orientation mark for all measurements independent of the white pre printed triangle mark 2 3 8 5 Indexing a single sample vials Fill a clean and dry vial up to the mark with Dilution Water see cha...

Страница 27: ...e indication Underrange as 0 00 NTU 2 3 8 6 Indexing a set of sample cells Fill several clean and dry vials until the mark with dilution water Cap the vials Hold the vials by the cap and wipe with a s...

Страница 28: ...re as the smalest NTU value is reading Mark the vial Indexing more vials repeat point 1 to 12 for each vial Repeat this procedure until the reading matches the first vial reading within 0 01 NTU Mark...

Страница 29: ...e No range 32 Print date 21 Print only results of a selected time period 34 Printing parameters 29 setting of printing options 39 Signal beep 14 Switching the acoustic signal on off to indicate end of...

Страница 30: ...he display shows Press arrow key or to select the required language from the displayed list Confirm with key Key beep Press MODE 1 1 keys Confirm with key The display shows Press 0 key to switch the k...

Страница 31: ...r month and day e g 14 Mai 2006 0 6 0 5 1 4 The display shows Enter hours and minutes e g 3 07 p m 1 5 0 7 Confirm with key Note While conforming date and time with key the seconds are adjusted to zer...

Страница 32: ...nds The instrument indicates the end of mea suring by a short beep Press MODE 1 4 keys Confirm with key The display shows Press 0 key to switch the signal beep off Press 1 key to switch the signal bee...

Страница 33: ...keys Confirm with key The display shows Press key for printing out all stored test results The display shows e g After printing the instrument goes back to mode menu automatically Note All stored data...

Страница 34: ...quired period e g 19 Mai 2006 0 6 0 5 1 9 Confirm with key The display shows Press key and all stored results in the selected date range are printed After printing the instrument goes back to mode men...

Страница 35: ...nfirm with key The display shows Press key and all stored results in the selected Code Number range are printed After printing the instrument goes back to mode menu automatically Note It is possible t...

Страница 36: ...e required Protocol Xon Xoff Hardware no control Confirm with key Finish with ESC key Flow Control will be set to the selection displayed at is Press 2 key to select Baudrate The display shows Mode 2...

Страница 37: ...g test result Press arrow key to display the previous test result If there are no test results in memory the display shows Press arrow key or to select the required Baud rate 600 1200 2400 4800 9600 1...

Страница 38: ...0 6 0 5 1 9 Confirm with key The display shows Press key and all stored results in the selected date range are displayed Press F3 key to print the displayed result Press F2 key to print all selected...

Страница 39: ...ows Press key and all stored results in the selected Code No range are displayed Press F3 key to print the displayed result Press F2 key to print all selected results End with ESC Note It is possible...

Страница 40: ...n the data sets in memory After pressing key 1 the following acknowledgment is displayed Press key to delete ATTENTION All stored test results are deleted or cancel without deleting data by pressing E...

Страница 41: ...rument special functions service Instrument Information Press MODE 9 1 keys Confirm with key This function informs you about the current software versi on about the current detected mains power supply...

Страница 42: ...following standard adjustments Detailed information of changing the adjustment you will find in the printer manual Baud rate 9600 Parity None Data bits 8 Note The printer must be connected and switch...

Страница 43: ...41 Part 3 Enclosure...

Страница 44: ...2 Protective caps for connections 1 Rechargeable battery set 7 Ni MH rechargeable batteries Type AA 1100 mAh 1 Lithium battery CR 2032 3V 1 Mains adapter 100 240 V 50 60 Hz 1 Cable for connection to P...

Страница 45: ...TU witch ever is greater Operation Acid and solvent resistant touch sensitive keyboard with integral beeper as acoustic indicator Power supply 7 Ni MH rechargeable batteries Type AA with 750 mAh exter...

Страница 46: ...erage function NTU Nephelometric Turbidity Unit FTU Formazine Turbidity Unit FNU Formazine Nephelometric Units FAU Formazine Attenuation Units ASBC American Society of Brewing Chemists EBC European Br...

Страница 47: ...pacity of rechargeable battery Full Capacity Warning automaticly every 3 min Warning automaticly every 12 min Warning automaticly the instrument switches of Capacity of rechargeable battery may be too...

Страница 48: ......

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