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TELEDYNE API
Theory of Operation M703E Calibrator Operator’s Manual
9.5.3.1. O
3
Generator Temperature Control
In order to operate at peak efficiency the UV lamp of the M703E’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 heate
r 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 9-17: O
3
Generator Temperature Thermistor and DC Heater Locations
154 05744 Rev B