6 • Table of Contents GX-2003 Operator’s Manual
Replacing the HC and CO Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Replacing a Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Replacing the Hydrophobic Disk Filter, Cotton Filter,
and Wire Mesh Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Appendix A: Calibrating with a Sample Bag . . . . . . . . . . . . . . . .86
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Calibration Supplies & Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Preparing for Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Calibrating the GX-2003. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Calibrating with the Auto Calibration Method. . . . . . . . . . . . . . . . . 89
Calibrating with the Single Calibration method . . . . . . . . . . . . . . . . 91
Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
WARNING: Understand manual before operating. Substitution of
components may impair intrinsic safety. To prevent
ignition of a hazardous atmosphere, batteries must only
be changed or charged in an area known to be
nonhazardous. Not tested in oxygen enriched
atmospheres (above 21%).
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