Heath Consultants GT Series - Manual (Page 65)

6-1
BARHOLE TESTING MODE
6
BARHOLE TESTING MODE
This mode is used to locate underground leaks and on
start-up will be ranged to 0-100% LEL which will
autorange to VOL gas at 100% LEL.
6.1 BARHOLE RANGES
Barhole testing will have the following ranges available:
• 0 – 100% LEL
• 0 – 100% Vol Gas
6.2 BARHOLE FEATURES
Barhole mode will have the following features:
• Timed or Non-Timed Sampling
• Backlight
• Flashlight
• Pump control
• Invert Display
• Six sets of barhole readings with Viewing /
Overwriting.