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___________________________________________________________________ 
Issue 02 - 04/2004 

Libra S21/S22, English 

1 

CONTENTS 

UNPACKING, POSITIONING AND INSTALLATION 

2

 

Essential Safety Notes 

3

 

OPERATION 4

 

Introduction 4

 

Keypad and display 

5

 

Basic Modes (1) 

6

 

Absorbance (1.1) 

6

 

% Transmission (1.2) 

6

 

Factor Concentration (1.3) 

6

 

Ratio (1.4) 

7

 

Applications (2) 

8

 

Wavescan (2.1) 

8

 

Simple Kinetics (2.2) 

9

 

Reaction Rate (2.3) 

10

 

Standard Curve (2.4) 

11

 

Multiwave 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 (ESC P) (5) 

16

 

Download to Spreadsheet 

17

 

Messages 17

 

ACCESSORIES 18

 

Multiple Cell Holder Accessories 

18

 

Single Cell Holder Accessories 

19

 

Other Accessories, consumables etc 

20

 

Acquire Applications Software 

21

 

MAINTENANCE 22

 

After Sales Support 

22

 

Fuse Replacement 

22

 

Cleaning and General Care 

23

 

APPENDIX 24

 

Text entry 

24

 

Good Laboratory Practice 

25

 

Least squares regression analysis and linearity 

26

 

SPECIFICATION AND WARRANTY 

27

 

 

Содержание Libra S21

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

Страница 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...

Страница 3: ......

Страница 4: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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