AMI Analyzer Manual •
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• 12
Maintenance and troubleshooting
Maintenance:
The AMI oxygen probe is virtually maintenance free other than for periodic calibration and occasional
sensor replacement.
Sensor Replacement:
This should be done on a regular schedule, rather than as a response to a dead sensor. See the chart below
for recommended sensor replacement.
Sensor Part
number
Description Expected life
P2 4SEN03-1 0-50% oxygen - inert background 12-15 months
P3 4SEN04 0-25% oxygen – inert or CO2 background 9-12 months
P5 4SEN19 0-25% oxygen – H
2
S resistance for 0-500ppm 9-12 months
Table 1. AMI sensor types
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