Heath Consultants GT Series - Manual (Page 70)

6-6
USER HANDBOOK
Fig. 6.6 Barhole Numbering
• Between Barhole tests there is a mandatory ‘Purge’
mode to ensure that any gas in the instrument is
cleared before the next barhole is sampled.
• During purge, the peak reading is reset to zero
and blanked from display, as shown in Fig. 6.7.
Fig. 6.7 Purge Complete