Metrohm 774 Oven Sample Processor - Manual (Page 3)

Table of contents
Page
1 Overview 1
1.1 Application range___________________________________________ 1
1.2 Application possibilities_____________________________________ 1
1.3 Instrument description ______________________________________ 3
1.3.1 Oblique view from the right-hand side ......................................... 3
1.3.2 Oblique view from left-hand side.................................................. 4
1.3.3 Rear view....................................................................................... 5
1.3.4 The socket strip (rear panel):........................................................ 5
1.3.5 Guide head ................................................................................... 6
1.3.6 Sample rack.................................................................................. 6
1.3.7 Sample vials.................................................................................. 7
2 Installation 8
2.1 Setting up the instrument____________________________________ 8
2.2 Power supply ______________________________________________ 8
2.3 Safety considerations ______________________________________ 10
2.4 Arranging the accessories__________________________________ 11
2.4.1 Connecting the keyboard ........................................................... 11
2.4.2 Equipping the guide head .......................................................... 12
2.4.3 Adjusting the sample rack.......................................................... 12
2.4.4 Adjusting the needle position ..................................................... 13
2.4.5 Installation of the tubing system and the drying flask................ 14
2.4.6 Installation of the measuring cell................................................ 15
2.5 Integration ________________________________________________ 15
2.5.1 Remote connections................................................................... 16
2.5.2 External bus connections ........................................................... 19
2.5.3 Serial connection (RS232) .......................................................... 20
2.5.4 Connecting a printer ................................................................... 21
3 Introduction 23
3.1 Configuration _____________________________________________ 23
3.1.1 Basic settings ............................................................................. 23
3.1.2 Oven settings.............................................................................. 24
3.1.3 Rack definitions .......................................................................... 25
3.1.4 Dosing units................................................................................ 26
3.1.5 RS232 interface........................................................................... 27
3.1.6 Lock keyboard functions ............................................................ 28
3.2 Manual operation __________________________________________ 30
3.3 Methods and Sequences ___________________________________ 33
3.3.1 Designing a method ................................................................... 33
3.3.2 LEARN mode and TRACE function ............................................ 34
3.3.3 Process control........................................................................... 35
3.3.4 POWER-UP methods.................................................................. 36
4 Oven control and gas flow 37
4.1 Oven control ______________________________________________ 37
4.2 Gas flow __________________________________________________ 38
4.3 KF Moisture determination _________________________________ 40