RKI Instruments GX-2012 Manual User Manual
Page 8

GX-2012 Operator’s Manual
Table of Contents
Recharging the Lithium Ion Battery Pack Out of the Instrument . . 150
Replacing the LEL and CO Filters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Replacing a Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Replacing the Hydrophobic Disk Filter, Cotton Filter,
and Wire Mesh Disk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Appendix A: Calibrating and Bump Testing
with a Sample Bag. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Calibration/Bump Test Supplies & Equipment . . . . . . . . . . . . . . . . . . . . . 161
Preparing for Calibration or Bump Testing . . . . . . . . . . . . . . . . . . . . . . . . 162
Calibrating the GX-2012 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Calibrating with the Auto Calibration Method . . . . . . . . . . . . . . . . 165
Calibrating with the Single Calibration Method . . . . . . . . . . . . . . . 168
Bump Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
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%).