Geotech GA5000 User Manual

GA5000 gas analyser OMGA5KN4.4
 Copyright Geotech Page 3 of 113
7.1 Menu key ...................................................................................................... 28
7.2 Device settings .............................................................................................. 28
7.2.1 Date and time .......................................................................................... 28
7.2.2 Bluetooth ................................................................................................. 29
7.2.3 Device information .................................................................................... 30
7.2.4 Diagnostics .............................................................................................. 30
7.2.1 Navigation (optional) ................................................................................. 31
7.3 User settings ................................................................................................. 32
7.3.1 Operating language ................................................................................... 32
7.3.2 Units of measurement ............................................................................... 33
7.3.3 ID selection .............................................................................................. 34
7.3.4 Routes .................................................................................................. 36
7.3.5 Adjust backlight ........................................................................................ 36
7.3.6 Adjust volume .......................................................................................... 37
7.3.7 User Prompts ........................................................................................... 38
7.4 Operation settings .......................................................................................... 38
7.4.1 Timers ..................................................................................................... 39
7.4.2 Gas Check ............................................................................................... 39
7.4.3 View data ................................................................................................ 40
7.4.4 Set alarms ............................................................................................... 41
7.4.5 Adjust flow fail ......................................................................................... 42
7.4.6 Technician login ........................................................................................ 43
7.5 Exit menu ...................................................................................................... 44
8.0 TAKING READINGS ......................................................................................... 45
8.1 Preliminary checks before taking readings (best practice) .................................... 45
8.1.1 Creating an ID ............................................................................................ 46
8.2 Answering site questions ................................................................................. 46
8.3 Answering ID questions ................................................................................... 47
8.4 Special action ................................................................................................ 47
8.4.1 Configuration of the data logging option ......................................................... 48
8.4.2 Profiling option ............................................................................................ 49
8.5 The gas flow measurement screen .................................................................... 49
8.6 How to use the Internal Flow (Optional) ............................................................ 50
8.7 How to use an anemometer (optional) .............................................................. 52
8.8 How to use an H2S filter (optional) ................................................................... 54
8.8.1 Cross gas effects on chemical cells .............................................................. 54
8.8.2 Cross-gas effects on methane, carbon dioxide and oxygen ............................. 55
8.9 How to use a temperature probe (optional) ....................................................... 57
8.10 How to identify a borehole using the GPS feature (optional) .............................. 58
8.11 Taking gas and flow measurement ................................................................. 60
9.0 CALIBRATION ................................................................................................ 62
9.1 Calibration introduction ................................................................................... 62
9.2 Frequency of calibration – best practice ............................................................. 62
9.3 Calibration gases ............................................................................................ 63
9.4 Calibration set-up ........................................................................................... 63
9.5 Calibration equipment ..................................................................................... 64
9.6 Gas analyser .................................................................................................. 65
9.7 Calibration processes – best practice ................................................................ 65
9.7.1 Gas check in fresh air ................................................................................ 66
9.7.2 Calibration – mixtures 1, 2 & 3 ................................................................... 67
9.8 Restore to factory ........................................................................................... 68
9.9 Calibration history .......................................................................................... 68
9.10 Calibration summary .................................................................................... 68
10.0 PROBLEM SOLVING ..................................................................................... 69
11.0 WARNING AND ERROR DISPLAY.................................................................. 69

Geotech GA5000 Specifications

General

Brand	Geotech
Model	GA5000
Category	Measuring Instruments
Language	English