
Reference Manual
Calibration procedure
MAN-0076, Revision 09
June 2016
Calibration procedure
27
Figure 5-1 Calibration flowchart
Calibrate Sensor?
Enter Main Menu?
YES
NO
1
Calibrate Sensor #1
Calibrate Sensor #2
Exit
Calibrate Sensor #1?
Apply Clean Air
3
3
3
1
3
Remove air canister (if
used) - Zero calibration
complete, full calibration
continue to next block
CH 1: Apply 50% span gas
CH 1 Spanning
LEL/ppm reading
Remove Calibration Gas
Calibration Complete
Note: Some sensor types can
be calibrated with 10% to
60% span calibration gas,
refer to the applicable sensor
manual
Span Failed
Perform a manual reset
and repeat calibration
procedure
Purge calibration lines
with clean air from
canister, then remove air
canister
YES
No
Z&SPAN
Zero
Full
Calibration
Zero
Calibration
Zero
Successful?
Zero Failed
Perform a manual reset
and repeat calibration
procedure
No
Yes
Span
Successful
?
Yes
No
Note: Calibration process is
identical for Channel #2