Teledyne GFC 7001EM ZERO/SPAN/SHUTOFF with Internal Zero AIR Scrubber Option 50E

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer

5.6.5.ZERO/SPAN/SHUTOFF WITH INTERNAL ZERO AIR SCRUBBER (OPTION 50E)

5.6.5.1.Internal Pneumatics (OPT 50E)

Figure 5-9: Internal Pneumatic Flow OPT 50E – Zero/Span/Shutoff Valves with Internal Zero Air

Scrubber

Table 5-4: Zero/Span Valve Operating States for Option 50E

Mode	Valve	Condition
SAMPLE	Sample/Cal	Open to SAMPLE inlet
(Normal	Zero/Span	Open to internal ZERO AIR scrubber
State)
	Shutoff Valve	Closed
	Sample/Cal	Open to zero/span valve
ZERO CAL	Zero/Span	Open to internal ZERO AIR scrubber
	Shutoff Valve	Closed
	Sample/Cal	Open to ZERO/SPAN valve
SPAN CAL
	Zero/Span	Open to SHUTOFF valve
	Shutoff Valve	Open to PRESSURE SPAN inlet

Teledyne Analytical Instruments 71