Teledyne 2120XL, Operating Instructions Manual, Page: 8 / 85

Model 2120XL
Teledyne Analytical Instruments viii
4.5.2 The Zero and Span Functions 54
4.5.2.1 Before Calibration 54
4.5.2.2 Recommended Calibration Gases 55
4.5.2.3 Zero Cal 55
4.5.2.4 Span Calibration 57
4.5.3 The Range Function 59
4.5.4 The Alarms Function 60
4.6 The Analyze Function 62
4.7 Signal Output 62
Maintenance .................................................................. 65
5.1 Routine Maintenance 65
5.2 Routine Maintenance Schedule 65
5.3 Fuse Replacement 66
5.4 System Self Diagnostic Test 67
5.5 Error Screens 68
5.6 Sensor Replacement 69
Appendix ....................................................................... 71
A.1 Specifications 71
A.2 Recommended Replacement Parts List 72
A.3 Drawing List 73