Sensor Filter Replacement - Honeywell MeshGuard LEL IR User Manual

MeshGuard LEL IR & CO2 IR User's Guide

7.3. Sensor Filter Replacement

The filter should be replaced when it is visibly dirty. If readings fluctuate up even after a zero
calibration, this may indicate a dirty filter.
1.
Use the 3-pin end of the tool to unscrew and open the filter holder by turning it
counterclockwise.
2.
Remove and discard the filter.
3.
Place a new filter inside the monitor.
4.
Replace the filter holder by turning it clockwise with the 3-pin end of the tool.
Filter
Filter holder
40