Teledyne 7120 - NDIR analyzer - Manual (Page 4)

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Model 7120 Photometric Analyzer
Teledyne Analytical Instruments
4.4.2 Span Cal ................................................................ 4-19
4.4.2.1 Auto Mode Spanning ..................................... 4-19
4.4.2.2 Manual Mode Spanning ................................. 4-20
4.5 The Alarms Function ...................................................... 4-21
4.6 The Range Select Function ........................................... 4-23
4.6.1 Manual (Select/Define Range) Screen .................. 4-23
4.6.2 Auto Screen ........................................................... 4-24
4.6.3 Precautions ............................................................ 4-25
4.7 The Analyze Function .................................................... 4-26
4.8 Programming ................................................................. 4-27
4.8.1 The Set Range Screen .......................................... 4-27
4.8.2 The Curve Algorithm Screen ................................. 4-29
4.8.2.1 Checking the Linearization ............................ 4-29
4.8.2.2 Manual Mode Linearization ........................... 4-30
4.8.2.3 Auto Mode Linearization ................................ 4-31
4.9 Special Function Setup .................................................. 4-32
4.9.1 Offset Output / Reverse Output ............................... 4-32
4.9.1.1 Output Signal Reversal .................................. 4-32
4.9.1.2 Output Signal Offset ....................................... 4-33
4.9.2 Polarity Reversal .................................................... 4-33
4.9.3 Gain Preset ............................................................ 4-34
5 Maintenance
5.0 Fuse Replacement......................................................... 5-1
5.1 Routine Maintenance ..................................................... 5-2
5.2 Filter ............................................................................... 5-2
5.3 NDIR Analyzer Measurement Cell ................................. 5-3
5.4 System Self Diagnostic Test ........................................... 5-3
5.5 Major Internal Components ............................................ 5-4
5.6 Troubleshooting ............................................................. 5-7
6.7 General .......................................................................... 5-7
5.8 Troubleshooting Chart ................................................... 5-8
A Appendix
Model 7120 Specifications ..................................................... A-1
Recommended 2-Year Spare Parts List ................................. A-4
Drawing List ........................................................................... A-4
Exceptions, Gas Cnditions ..................................................... A-6