Teledyne Periodic Maintenance, Troubleshooting, Calibration Data, Appendix, Model 212R

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

4 Teledyne Analytical Instruments