Teledyne t320u Manuale Utente

Teledyne API – Model T300/T300M CO Analyzer 

Troubleshooting and Service 

12.6.3.2. ADJUSTING THE SYNC/DEMODULATOR, CIRCUIT GAIN 

To adjust the sync/demodulator circuit gain: 

1.  Make sure that the analyzer is turned on and warmed up. 
2.  Set the analyzer display to show the STABIL or CO STB test function. 
3.  Apply Zero Air to Sample Inlet of the analyzer. 
4.  Wait until the stability reading falls below 1.0 ppm. 
5.  Change the analyzer display to show the CO MEAS. 
6.  Remove the Sync/Demod Housing 

  Remove the two mounting screws. 
  Carefully lift the housing to reveal the sync/demod PCA. 

 

 

7.  Adjust  potentiometer VR1 until CO MEAS reads 4500 mV ± 300 mV 

 

 

06864B DCN6314