4.3.3 Setup Airodis to Communicate with Serinus ....................................................................................... 69
4.4 Digital/Analog Communication ........................................................................................................................... 70
4.4.1 Analog Outputs .................................................................................................................................... 70
4.4.2 Analog Inputs ....................................................................................................................................... 71
4.4.3 Digital Status Inputs ............................................................................................................................. 72
4.4.4 Digital Status Outputs .......................................................................................................................... 72
4.5 Logging Data ........................................................................................................................................................ 73
4.5.1 Configure Instrument Internal Logging ................................................................................................ 73
4.6 Using Airodis Software to Download Data .......................................................................................................... 74
4.6.1 Connecting the Instrument to Your PC ................................................................................................ 74
4.6.2 Installing Airodis .................................................................................................................................. 77
4.6.3 Configuring Airodis .............................................................................................................................. 77
4.7 Serinus Remote App/Bluetooth .......................................................................................................................... 83
4.7.1 Installation ........................................................................................................................................... 83
4.7.2 Connecting to the Instrument ............................................................................................................. 84
4.7.3 Instrument Control .............................................................................................................................. 85
4.7.4 Real-Time Plot ...................................................................................................................................... 86
4.7.5 Download............................................................................................................................................. 87
4.7.6 Get Parameters .................................................................................................................................... 88
4.7.7 Preferences .......................................................................................................................................... 89
5. Calibration ...................................................................................................................................... 91
5.1 Overview ............................................................................................................................................................. 91
5.2 Pressure Calibration ............................................................................................................................................ 93
5.2.1 Full Pressure Calibration ...................................................................................................................... 93
5.2.2 Ambient Point Pressure Calibration ..................................................................................................... 94
5.3 Zero Calibration ................................................................................................................................................... 95
5.3.1 Calibration Port .................................................................................................................................... 95
5.3.2 Sample Port ......................................................................................................................................... 96
5.3.3 Background Air Port ............................................................................................................................. 96
5.4 Span Calibration .................................................................................................................................................. 97
5.4.1 Conditioning the Ammonia (NH3) Sample and Calibration Lines ........................................................ 97
5.4.2 Calibration Port .................................................................................................................................... 97
5.4.3 Sample Port ......................................................................................................................................... 98
5.4.4 Manual Instrument Gain and Offset Adjustments ............................................................................... 98
5.5 Precision Check ................................................................................................................................................... 99
5.6 Multipoint Precision Check ............................................................................................................................... 100
5.7 NO
2
to NO Converter Efficiency ........................................................................................................................ 101
5.7.1 Single Point NO
2
to NO Converter Efficiency Check ........................................................................... 103
5.7.2 Multipoint NO
2
to NO Converter Efficiency Adjustment ................................................................... 104
5.8 NH
3
Converter Efficiency ................................................................................................................................... 105
5.8.1 Single Point NH
3
Converter Efficiency Check ..................................................................................... 105
5.8.2 Multipoint NH
3
Converter Efficiency Adjustment .............................................................................. 106
5.9 High Pressure Zero/Span Valve (Option) ........................................................................................................... 108
5.9.1 Single Pressurised Calibration Option ................................................................................................ 108
5.9.2 Dual Pressurised Calibration Option .................................................................................................. 110
6. Service .......................................................................................................................................... 113
6.1 Maintenance Tools ............................................................................................................................................ 113
6.2 Maintenance and Calibration Schedule ............................................................................................................ 114