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Libra S21 and S22

User Manual

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Summary of Contents for Libra S21

Page 1: ...Libra S21 and S22 User Manual Italiano Espa ol Fran ais Deutsch English...

Page 2: ...cal equipment for measurement control and laboratory use EN 61326 1998 Electrical equipment for measurement control and laboratory use EMC requirements Signed Dated 23nd October 2002 David Parr Managi...

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Page 5: ...e and Equation Entry 2 5 12 Methods A 4 B 5 and C 6 13 System Utilities 14 Output to Printer 16 Seiko DPU 414 1 16 Epson FX 80 Epson 9 pin 2 16 Text printer no graphics 3 16 HP PCL 3 4 16 Epson 24 pin...

Page 6: ...bench or table which can take its weight 13 kg such that air is allowed to circulate freely around the instrument Ensure that the cooling fan inlets and outlets are not obstructed position at least 2...

Page 7: ...these symbols and their meaning Caution refer to accompanying documents Background colour is yellow symbol and outline are black UV RADIATION UV RADIATION IS HARMFUL TO YOUR EYES HOT If power is resto...

Page 8: ...and direct the light into the sample compartment This passes through your cell containing the sample of interest and then a defocusing lens to a solid state detector unit The resulting signal is then...

Page 9: ...ss F3 to toggle the display back light on off display contrast can be changed within System F1 Press to print result if auto print is off or to re print result if auto print is on to back space in ord...

Page 10: ...mount of light that has passed through a sample relative to a blank this can be air but displays the result as a percentage The procedure is as follows Enter appropriate wavelength and press OK F3 Ins...

Page 11: ...er the second wavelength Select if background correction for both wavelengths is required If yes enter the wavelength Enter the factor to be applied to the first wavelength Enter dilution factor Inser...

Page 12: ...due to the wide range in baseline energy and this in turn affects data interval so the figures are nominal Select if the peak check table is required if selected a table of wavelengths and absorbance...

Page 13: ...ress OK F3 Enter the time interval minimum 2 maximum 60 seconds Select if the actual absorbance time data should be printed with the results Insert reference and press green run key This reference val...

Page 14: ...h and press OK F3 Select time units seconds 1 or minutes 2 Enter delay time or lag time if applicable and press OK F3 Enter the duration of the assay and press OK F3 Enter factor required to convert s...

Page 15: ...press OK F3 Enter number of replicates 1 3 and press OK F3 Enter concentration of first standard and press F3 To include a zero concentration standard include this in the number of standards to be ent...

Page 16: ...ental testing laboratory Up to 5 absorbances transmittances at different wavelengths can be measured and factors applied to them an overall dilution factor can be applied to the completed equation The...

Page 17: ...st To delete a method press stop to return to the home page select one of the three method banks press delete F2 and select the required method by pressing the appropriate number you are asked to conf...

Page 18: ...F3 to cycle through year month day hour minute and use F1 or F2 to adjust the parameter down or up as appropriate Customise 2 Instrument description for example asset number operator name and replacem...

Page 19: ...ed and that this can be different to the date of instrument operation Date this is shown on the example below If the date is the same Calibrated shows the time that it was done instead Press More F3 o...

Page 20: ...ko DPU 414 1 If obtained in your country it should already be configured properly If not set software DIP SW2 to American character set Epson FX 80 Epson 9 pin 2 Includes Epson FX 850 and similar Text...

Page 21: ...s from all modes of use on the instrument can be output in this way Output is automatic when the key is pressed Messages Most messages are self explanatory and relate to use of the instrument Others r...

Page 22: ...le cell holders have the option of being used as a single cell holder This means that there will be no rotation after pressing run Description Part number Comments 4 position cell changer 80 2106 01 A...

Page 23: ...ell holder 50mm pathlength 80 2106 07 Cell holder 100 mm pathlength 80 2107 14 Cylindrical cell holder 80 2106 10 Up to 100 mm pathlength cylindrical cells Water heated cell holder 80 2106 08 10 40 mm...

Page 24: ...tier heated cell changer 80 2106 04 Printer stand 80 2112 18 For thermal printer Dust cover 80 2106 19 Spare Consumables and other items Pump head tubes 6 for Sipper 80 2080 74 PTFE flowcell tubing wi...

Page 25: ...2115 31 Acquire Applications Software Wavelength Scanning Reaction Kinetics Quantification Time Drive Multi Wavelength Recommended PC for proper operation For optimum performance an IBM compatible 48...

Page 26: ...flat surface is facing away from the spring end of the cell holder User maintenance is restricted to changing the mains fuse For any other maintenance operation including fitting a replacement xenon l...

Page 27: ...all coated in a chemical resistant finish Strong concentration of sample however may affect the surface and spillages should be dealt with immediately Observe all necessary precautions if dealing wit...

Page 28: ...again to enter the space Press 1 repeatedly until 1 appears Press 0 to enter 0 Press OK F3 to confirm the name entry To enter the equation Abs511 12 5 Abs 720 0 3 100 Use to remove any entries still t...

Page 29: ...alibration by measuring the zero order beam width the wavelength accuracy by comparing to the 881 9 nm xenon emission line the values of built in absorbance filters compared to when the instrument was...

Page 30: ...least squares linear regression of the data The following equations are used where n is the number of data points Slope x y n xy x x n x 2 Intercept y x slope n Linearity is an estimate of the goodnes...

Page 31: ...40 x 80mm Dimensions 510 x 350 x 160mm Weight 13kg Power requirements 100 240V AC 10 50 60Hz 80VA Safety Standard EN61010 1 EMC emissions EN 61326 2 3 Generic emissions EMC immunity EN 61000 4 6 Gener...

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