User manual

Contents
1 Introduction
1.1 General ..................................................................................................................1
1.2 Safety.....................................................................................................................2
2 Installation
2.1 Unpacking..............................................................................................................3
2.2 General precautions ...............................................................................................3
2.3 Installing the optical unit .......................................................................................4
2.4 Installing the conductivity flow cell .......................................................................6
2.5 Installing the pH flow cell and electrode................................................................6
2.6 Connecting electrical signal cables .........................................................................8
2.7 Connecting to a communication link .....................................................................8
2.8 Connecting to supply voltage.................................................................................9
2.9 Preparing the module for use .................................................................................9
2.10 Installing optical filters (optional)........................................................................10
3 Operation
3.1 On/off..................................................................................................................11
3.2 Menu selection and settings .................................................................................11
3.3 Main menu overview ...........................................................................................13
3.4 Controlling the UV lamp .....................................................................................13
3.5 Reading the UV absorbance value .......................................................................14
3.6 Autozeroing UV...................................................................................................14
3.7 Creating eventmarks ............................................................................................14
3.8 Setting Cond, pH and UV analogue outputs........................................................14
3.9 Calibrating conductivity ......................................................................................16
3.10 Calibrating the pH electrode................................................................................16
3.11 Filtering noise in the UV signal............................................................................19
3.12 Changing UV flow cell.........................................................................................19
3.13 Reading pH, temperature and conductivity values...............................................20
3.14 Storage and shut-down ........................................................................................20
3.15 Restart after power failure...................................................................................21
4 Maintenance
4.1 Periodic maintenance ...........................................................................................22
4.2 Cleaning and checking the module ......................................................................22
4.3 Cleaning the UV flow cell in-place.......................................................................23
4.4 Cleaning the UV flow cell off-line........................................................................23
4.5 Cleaning the conductivity flow cell in-place.........................................................24
4.6 Cleaning the conductivity flow cell off-line..........................................................24
4.7 Changing the conductivity flow cell.....................................................................24
Monitor UPC-900
User Manual 18-1125-55 Edition AE
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Contents