Teledyne 200A User Manual download pdf (Page 173)

Teledyne API Model 200A NO

Analyzer Instruction Manual, 02246, Rev. G, DCN 5247

Electric Test (ET) Procedure:

To adjust ET press SETUP-MORE-DIAG, then scroll to ELEC TEST and press ENTR.

Scroll the TEST functions until PMT is displayed.

Adjust R27 until 2000 mV ± 100 is displayed.

Press EXIT to return to SAMPLE mode.

Optic Test (OT) Procedure:

To adjust OT press SETUP-MORE-DIAG, then scroll to OPTIC TEST and press ENTR.

Scroll the TEST functions until PMT is displayed.

Adjust R25 until 2000 mV ± 100 is displayed.

Press EXIT to return to SAMPLE mode.

If this procedure does not produce an instrument that will properly span, please contact your

local distributor or the Teledyne API factory. Teledyne API's phone number is on the front page

of this manual.

9.2 Performance Problems

When the response from a span check is outside the control limits, the cause for the drift should

be determined, and corrective action should be taken. Some of the causes for drift are listed

below:

NOTE

It has been our experience that about 50% of all analyzer performance

problems are sooner or later traced to leaks in some part of the system.

Fluctuations in flow. Such as leaks or plugged orifices.

Lack of preventive maintenance.

Change in zero air source.

Air containing NO leaking into zero air line.

Saturation of charcoal and/or Purafil scrubbers.

9-26

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Teledyne 200A User Manual Page 173