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Principles of Operation Teledyne API – Model T700 Dynamic Dilution Calibrator
296
UV Lamp
O
3
Generator
Reference Detector
O
3
Generator
Reference Detector
PCA
UV Lamp
Power Connector
UV Lamp Power
Supply
(200 VAC @ 30 kHz)
UV Lamp Power
Supply
Transformer
UV Lamp
I
2
C Connector
Reference
Detector
Signal Output
to Motherboard
Reference Detector
Preamp Power
Connector
O
3
Generator
Heater Control
PCA
Figure 10-15: O
3
Generator Electronic Components Location
10.6.3.1. O
3
Generator Temperature Control
In order to operate at peak efficiency the UV lamp of the T700’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 (Section
10.3.3). The location of the thermistor and heater associated with the O
3
generator is
shown in Figure 10-16:
06873B DCN6388