Thermo Scientific 48iQ Instruction Manual page 5

Chapter 4
Chapter 5
Chapter 6
Thermo Scientific
User Contact Information ............................................................ 3-124
Update Bootloader ....................................................................... 3-125
Calibration .......................................................................................................... 4-1
Equipment Required ........................................................................... 4-1
CO Concentration Standard ............................................................ 4-1
Zero Air Generator ........................................................................... 4-1
External Flow Meter(s) and Controller(s) ......................................... 4-2
Pre-Calibration ................................................................................... 4-2
Calibration .......................................................................................... 4-3
Connect the Instrument ................................................................... 4-3
Detector Gain .................................................................................. 4-4
Initial S/R ........................................................................................ 4-5
Multipoint Calibration ..................................................................... 4-6
High and Low Multipoint Calibration ............................................. 4-8
Calibration Frequency ...................................................................... 4-8
Calibrate Background ....................................................................... 4-9
Calibrate Span Coefficient ............................................................. 4-10
Periodic Zero and Span Checks ......................................................... 4-12
Manual Calibration ........................................................................... 4-13
Adjust Background ......................................................................... 4-13
Adjust Span Coefficient.................................................................. 4-14
Reset Bkg to 0.000 and Span Coef to 1.000 ................................... 4-14
Zero/Span Schedule .......................................................................... 4-15
Next Time ..................................................................................... 4-15
Period ............................................................................................ 4-15
Zero/Span/Purge Duration Minutes .............................................. 4-15
Schedule Averaging Time ............................................................... 4-16
Background Calibration and Span Calibration ............................... 4-16
Zero Calibration and Span Calibration .......................................... 4-16
Zero/Span Ratio ............................................................................. 4-16
References ......................................................................................... 4-16
Maintenance ...................................................................................................... 5-1
Safety Precautions ............................................................................... 5-1
Fan Filter Inspection and Cleaning ..................................................... 5-1
Pump Rebuilding ................................................................................ 5-2
Leak Test ............................................................................................ 5-5
Cleaning the Optics ............................................................................ 5-6
IR Source Replacement ....................................................................... 5-8
Troubleshooting ................................................................................................ 6-1
Safety Precautions ............................................................................... 6-1
Troubleshooting Guide ....................................................................... 6-1
Contents
48iQ Instruction Manual v