Filter
Top Products
Model 360E Instruction Manual Optional Hardware and Software
Table 5-2: Zero/Span Valve Operating States for Options 52 & 53
Mode Valve Condition
Sample/Cal Open to SAMPLE inlet
SAMPLE
(Normal State)
Zero/Span Open to IZS inlet
Sample/Cal Open to ZERO/SPAN valve
ZERO CAL
Zero/Span Open to IZS inlet
Sample/Cal Open to ZERO/SPAN valve
SPAN CAL
Zero/Span Open to PRESSURE SPAN inlet
The minimum span gas flow rate required for this option is 800 cm
3
/min.
The state of the zero/span valves can also be controlled:
Manually from the analyzer’s front panel by using the SIGNAL I/O controls located under the DIAG
Menu (Section 6.13.2),
By activating the instrument’s AutoCal feature (Section 7.6),
Remotely by using the external digital control inputs (Sections 6.15.1.2 and 7.5.2), or
Remotely through the RS-232/485 serial I/O ports (see Appendix A-6).
GFC Wheel
Housing
SAMPLE CHAMBER
GFC Motor
Heat Sync
Purge Gas
Flow Control
External CO2
Scrubber
(Option 53 0nly)
Figure 5-3: Internal Pneumatic Flow – Zero/Span OPT 52 & 53
05232 Rev B3 43