Teledyne 212R - Thermal conductivity analyzer - Manual (Page 4)

Teledyne Analytical Instruments 4
Thermal Conductivity Analyzer Model 212R
4.3 Standardization ............................................................ 16
5 Periodic Maintenance
5.1 Heater Fan ................................................................... 17
6 Troubleshooting
6.1 Preliminary ................................................................... 17
6.1.1 Electrical Checks ........................................... 17
6.1.2 Sampling System Checks .............................. 18
6.1.3 Summary of Preliminary Checks .................... 18
6.2 Loss of Zero Control..................................................... 18
6.2.1 Dynamic Balance Procedure ......................... 19
6.3 Correct Operation ......................................................... 20
6.4 Incorrect Operation....................................................... 21
6.4.1 Analyzer Leak Check ..................................... 21
6.4.2 Temperature Control Check ........................... 22
7 Calibration Data
7.1 Ranges ........................................................................ 24
7.2 Output Signal ............................................................... 25
7.3 Span Setting ................................................................ 25
7.4 Recommended Accessory Gases ................................ 25
7.4.1 Reference Gas ............................................... 25
7.4.2 Zero Gas ........................................................ 25
7.4.3 Span Gas ....................................................... 26
Appendix
A Recommended 2-Year Spare Parts List ....................... 26
A Drawing List ................................................................. 27
A Specifications...................................................................... 28