Thermo Scientific ALPHA DO 2000 PG POLAROGRAPHIC DISSOLVED OXYGEN CONTROLLER TRANSMITTER, Manual

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Table of Contents
1. Introduction ...........................................................................................................1
1.1 Before You Begin ........................................................................................................................ 1
1.2 Intended Use ............................................................................................................................... 1
1.3 Safety Instructions....................................................................................................................... 2
1.4 Taking Out of Service / Correct Disposal of the Unit .................................................................. 2
2. Getting Started ......................................................................................................3
2.1 Description of Instrument ............................................................................................................ 3
2.2 Measurement and Control System.............................................................................................. 4
2.3 Unit Overview .............................................................................................................................. 5
2.3.1 Display Overview ............................................................................................................... 6
2.3.2 Key functions ..................................................................................................................... 6
2.3.3 LED indicators.................................................................................................................... 7
2.3.4 Security codes ................................................................................................................... 7
2.3.5 Menu overview................................................................................................................... 8
3. Assembly and Installation ....................................................................................9
3.1 Mounting the Unit ........................................................................................................................ 9
3.2 Connection Diagram.................................................................................................................. 11
4. Normal Operation ................................................................................................13
4.1 Measurement Mode .................................................................................................................. 13
5. Calibration Mode .................................................................................................14
5.1 Entering Calibration Mode......................................................................................................... 14
5.2 Calibration ................................................................................................................................. 15
5.2.1 One-Point Calibration....................................................................................................... 15
5.2.2 Two-Point Calibration....................................................................................................... 16
5.3 View Probe Condition................................................................................................................ 18
6. Setup Mode ..........................................................................................................19
6.1 Enter Setup Mode ..................................................................................................................... 19
6.2 Electrode Offset Settings (OFS)................................................................................................ 20
6.3 Temperature Setting (SET °C°F) .............................................................................................. 21
6.4 Control Relay A / Relay B Settings (SP1/SP2) ......................................................................... 22
6.5 Controller Settings (CNTR) ....................................................................................................... 24
6.6 Current Output 1 Settings (CUR 1) ........................................................................................... 27
6.7 Current Output 2 Settings (CUR 2) ........................................................................................... 28
6.8 Wash Relay Settings (WASH)................................................................................................... 29
6.9 Configuration Settings (CNFG) ................................................................................................. 30
6.10 Calibration (CAL) sub-function .................................................................................................. 31
7. Relay Modes ........................................................................................................32
7.1 View Relay Set Points ............................................................................................................... 32
7.2 Manual Relay Mode .................................................................................................................. 33
8. Technical Specifications ....................................................................................34
8.1 General Specifications .............................................................................................................. 34
8.2 Specifications for Wall Mount Version....................................................................................... 36
8.3 Specifications for Panel Mount Version .................................................................................... 36
9. Accessories .........................................................................................................37
9.1 Replacement Unit...................................................................................................................... 37