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Contents I

5.5 Six-month Maintenance...................................................................................... 5-16

5.5.1 Washing Dust Screen ............................................................................ 5-16

5.5.2 Replacing Filter Assemby ......................................................................5-17

5.6 Irregular Maintenance......................................................................................... 5-18

5.6.1 Unclogging Probe .................................................................................. 5-18

5.6.2 Replacing Probe .................................................................................... 5-23

5.6.3 Replacing Mixing Bar............................................................................. 5-23

5.6.4 Replacing Plunger Assembly of Syringe................................................ 5-25

5.6.5 Removing Air Bubbles ........................................................................... 5-27

5.6.6 Replacing Lamp..................................................................................... 5-28

5.6.7 Replacing ISE Components (Optional).................................................. 5-31

5.7 Maintenance Log Sheets.................................................................................... 5-32

6 Troubleshooting ............................................................................................................6-1

6.1 Classification of Error Messages .......................................................................... 6-1

6.2 Corrective Measures............................................................................................. 6-5

7 Caculation Methods ......................................................................................................7-1

7.1 Reaction Types ..................................................................................................... 7-1

7.1.1 Endpoint................................................................................................... 7-1

7.1.2 Fixed-Time ............................................................................................... 7-2

7.1.3 Kinetic ...................................................................................................... 7-3

7.2 Calculation Process .............................................................................................. 7-4

7.2.1 Calculating Absorbance ........................................................................... 7-5

7.2.2 Calculating Response.............................................................................. 7-6

7.2.3 Calculating Calibration Parameters ......................................................... 7-8

7.2.4 Calculating Concentration...................................................................... 7-11

7.2.5 QC Rule ................................................................................................. 7-13

7.3 Westgard Multi-rule............................................................................................. 7-13

7.4 Calculation Method of ISE Unit (optional)...........................................................7-14

Appendix A System Specifications................................................................................... A-1

Appendix B Supplies .......................................................................................................... B-1

Appendix C Index................................................................................................................ C-1

Mindray BS-120 Operator's Manual

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