ADC MGA3000 series - Default Chapter; Table of Contents

MGA3000 Multi-Gas Analyser Operation Manual Iss. 1.00
Copyright  2007, ADC Gas Analysis Ltd. 1
CONTENTS
Contents ............................................................................................................ 1
1. Introduction ................................................................................................... 1
1.1 About the Instrument .............................................................................................1
1.2 Instrument Identification.........................................................................................1
1.3 The Display & Operating Controls.............................................................................2
1.3.1 The Display ...................................................................................................2
1.3.2 The Operating Controls ...................................................................................2
1.4 Electrical Outputs ...................................................................................................2
1.4.1 Analogue Outputs ..........................................................................................2
1.5 RS232 port............................................................................................................2
1.6 Operating Principles................................................................................................3
1.6.1 Infrared Absorption ........................................................................................3
1.6.2 The Optical Bench In Use ................................................................................3
1.6.3 The Oxygen Sensor in Use ..............................................................................4
2. Installation ..................................................................................................... 5
2.1 Installation Arrangement.........................................................................................5
2.2 Location & Ambient Conditions.................................................................................5
2.3 Power Supply Setting & Connections ........................................................................6
2.3.1 Power Supply Setting......................................................................................6
2.3.2 Power Supply Connections ..............................................................................6
2.4 Serial I/O (RS232C) ...............................................................................................7
2.5 Analogue Outputs ..................................................................................................7
2.5.1 Setting the analogue outputs...........................................................................8
2.6 Alarm (Trip) Outputs ..............................................................................................9
2.7 Gas Arrangements ............................................................................................... 10
2.7.1 The Gas Circuit ............................................................................................ 10
2.7.2 The Sample Gas........................................................................................... 10
2.7.3 The Span Gas .............................................................................................. 11
2.7.4 The Zero Gas............................................................................................... 11
2.7.5 The Exhaust Gas .......................................................................................... 12
2.7.6 Gas Pump(s) ............................................................................................... 12
2.8 Use of Chemicals (certain models only)................................................................... 12
2.8.1 Water Vapour .............................................................................................. 12
2.8.2 Carbon Dioxide ............................................................................................ 13
2.8.3 Precautions ................................................................................................. 13
2.9 Pre-operation Checks............................................................................................ 13
2.10 General Advice................................................................................................... 13
2.10.1 Use of Gas Cylinders................................................................................... 13
2.10.2 Gas Leaks ................................................................................................. 14
2.10.3 Exhausting & Ventilation ............................................................................. 14
3. Setting Up .....................................................................................................15
3.1 Preview............................................................................................................... 15
3.2 On Power Up ....................................................................................................... 15
3.3 Zero & Span Operations........................................................................................ 15