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MAN-0076 Rev 05 Millennium II
December 07, 2012
Net Safety Monitoring Inc
Figure 18: Calibration Flow chart
YES
NO
Activate menu button 1
to select yes
Calibrate Sensor?
Enter Main Menu
rate Sensor?
Activate menu button
3 to select
Calibrate Sensor #1
*Calibrate Sensor #2
Calibrate Sensor #1
YES
NO
Activate menu button 1
Apply Clean Air
Z & SPAN
ZERO
Apply air from canister
or use clean ambient
air
Remove Calibration Gas
Remove air canister if air canister was used
in Zero calibration. Zero calibration
complete.
Remove air canister in Full calibration
procedure and continue to span step
Activate menu button 1
to select
FULL Calibration
Activate menu button 3
to select
ZERO calibration
Note: Some sensor types
can be calibrated with 10%
- 60% span calibration gas.
Cal. gas value should be
selected in the transmitter’s
menu. See specific sensor
manual.
CH1: Spanning
LEL / ppm reading
Span
Failed.
Perform
manual
reset. See
page 32.
Repeat
calibration
.proceure.
Zero Failed.
Perform
manual
reset. See
page 32.
Repeat
calibration
procedure.
Activate any menu button
NO
YES
Span successful?
Calibration complete
NO
YES
Calibration Procedure
Purge system with clean
air from canister, then
remove air canister
Zero successful?
Apply 50% Span
gas.
EXIT
Activate menu
button 3 to select
Note: *Calibration process is similar if calibration of channel 2 is
required.