Metrohm 832 KF Thermoprep - Manual (Page 3)

832 KF Thermoprep
III
Table of c ontents
1 Introduction 1
1.1 Description of the instrument ..........................................................1
1.2 Information about these Instructions for Use.................................2
1.3 Parts and controls ............................................................................3
1.3.1 Individual parts and standard accessories ..............................................3
1.3.2 Rear view...................................................................................................4
1.3.3 Temperature controller..............................................................................5
1.3.4 Sample holder for standard vials..............................................................5
2 Safety information 6
2.1 General ..............................................................................................6
2.2 Electrical safety ................................................................................6
3 Installation 7
3.1 Instrument setup...............................................................................8
3.1.1 Packaging .................................................................................................8
3.1.2 Checks ......................................................................................................8
3.1.3 Location.....................................................................................................8
3.2 Mains connection .............................................................................8
3.3 Assembling the 832 KF Thermoprep............................................ 10
3.3.1 Assembling the needles..........................................................................10
3.3.2 Attaching the drying bottles ....................................................................11
3.3.3 Attaching the dust filter ...........................................................................11
3.4 Assembling the coulometric cell .................................................. 12
3.5 Assembling the titration vessel for volumetric KF titrators ........ 12
4 Operation 13
4.1 Inserting and removing sample vials ........................................... 13
4.2 Needle penetration ........................................................................ 13
4.3 The pump ....................................................................................... 14
4.4 The temperature controller ........................................................... 15
4.4.1 Two set temperatures .............................................................................15
4.4.2 Setting a temperature..............................................................................15
4.4.3 Self-optimization of the control parameters............................................16
4.4.4 Key lock function.....................................................................................16
4.5 Working procedure........................................................................ 17
4.5.1 Preparing the 832 KF Thermoprep/756/831 Coulometer system ..........18
4.5.2 Determination with blank value subtraction............................................18
4.5.3 Determination without blank value subtraction.......................................19
4.6 Practical information ..................................................................... 20
5 Maintenance information 21
6 GLP validation 21