Teledyne MODEL T703 Manual Do Utilizador

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Theory of Operation 
Teledyne API T703 Calibrator Operation Manual 
168  
 
9.5.3.1. O
3
 Generator Temperature Control 
In order to operate at peak efficiency the UV lamp of the T703’s O
3
 generator is maintained at a constant 48ºC.  
if the lamp temperature falls below 43ºC or rises above 53ºC a warning is issued by the calibrators CPU. 
This temperature is controlled as described in the section on the relay PCA (see Section 9.2.3.2).  The location 
of the thermistor and heater associated with the O
3
 generator is shown below:  
UV Lamp 
UV Lamp 
Thermistor 
O
3
 Generator  
Heater Control PCA 
(Heater is located beneath 
the PCA)
 
 
 
 
Figure 9-16: 
O
3
 Generator Temperature Thermistor and DC Heater Locations 
 
 
 
07223B DCN6378