Teledyne t320u Manuale Utente
Theory of Operation
Teledyne API – Model T300/T300M CO Analyzer
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13.4.4.3. ZERO/SPAN VALVE OPTIONS
Any zero/span/shutoff valve options installed in the analyzer are controlled by a set of
electronic switches located on the relay board. These switches, under CPU control,
supply the +12VDC needed to activate each valve’s solenoid.
electronic switches located on the relay board. These switches, under CPU control,
supply the +12VDC needed to activate each valve’s solenoid.
13.4.4.4. IR SOURCE
The relay board supplies a constant 11.5VDC to the IR Source. Under normal operation
the IR source is always on.
the IR source is always on.
06864B DCN6314