Teledyne 6400EH - Sulfur Dioxide Analyzer - Manual (Page 7)

UV Fluorescence SO2 Analyzer
Teledyne Analytical Instruments vii
5.3 Zero and Two Span Point Valve Option (OPT 52) 20
5.4 Hydrocarbon Kicker Option (OPT 65) 22
Operating Instructions ................................................................ 25
6.1 Warning Messages 25
6.2 Test Functions 25
6.2.1 Test Channel Output 26
6.2.2 Range Units 26
6.2.3 Using the 6400EH with a Hessen Protocol Network 26
6.2.4 Default iDAS Channels 28
6.2.5 Remote Operation Using the External Digital I/O 28
6.2.5.1 Status Outputs 28
6.2.5.2 Control Inputs 29
Calibration and Calibration Check Procedures ........................ 31
7.1 Manual Calibration with the Zero and Two Span Point
Valve Option (OPT 52) installed
31
7.2 Manual Calibration Check with the Zero and Two Span
Point Valve Option (OPT 52) installed
33
Instrument Maintenance ............................................................. 35
8.1 Maintenance Schedule 35
8.2 Predictive Diagnostics 35
Theory of Operation .................................................................... 37
9.1 The UV Light Path 37
9.1.1 The Reference Detector 38
9.1.2 Direct Measurement Interferences 38
9.2 Pneumatic Operation 39
9.2.1 Sample Gas Flow 39
9.2.2 Pneumatic Sensors 40
9.2.2.1 Sample Pressure Sensor 40
9.2.2.2 Vacuum Pressure Sensor 40
9.2.2.3 Sample Flow Calculation 40
9.3 Electronic Operation 41
Troubleshooting & Repair .......................................................... 43