Heath Consultants GT Series - Manual (Page 20)

2-2
USER HANDBOOK
By simple selection of the application you need, the
appropriate gas(es) are shown on the display and only
the necessary button functions and alarms are activated.
Note: Your company may have decided to have its
instruments configured only for certain of the
aforementioned applications.
2.2 MODES OF OPERATION
Leak Test
This mode is for the technician to investigate odour or
leak complaints and to pinpoint the leak.
Refer to Chapter 4 for ‘Leak Test’ mode operation.
Confined Space
Used for confined space pre-entry testing and for personal
monitoring in areas such as basements etc.
Refer to Chapter 5 for ‘Confined Space’ mode operation.
Barhole
Used to locate underground leaks. This can be timed or
non-timed. Your company may have selected only one of
these options.
Refer to Chapter 6 for ‘Barhole’ mode operation.
CO
The CO (Carbon Monoxide) mode allows the user to make
either CO Direct, Differential CO, or Air Free CO readings
(if an O
2
cell is fitted). Note: Your company may have
chosen only certain of these options.
Refer to Chapter 7 for ‘CO’ mode operation.