Heath Consultants GT Series - Manual (Page 17)

1-3
INTRODUCTION
The bottom line of the instrument display may indicate
button press options. For example, to select ‘Yes’ from
the following screen option, you would press the RH
button. To select ‘No’, the LH button would be pressed.
Fig 1.3 Option Select
The principle of selecting any one of three options on the
bottom line of the instrument display, by pressing either
LH, CENTRE or RH buttons, is used throughout the
operation of this instrument.
1.1 INSTRUMENT RANGES
The detection ranges, available but which may not all be
included in the version of GT selected by your company,
are:
•
0-10,000 ppm Flammable (Sniffer Range)
•
0-100% LEL Flammable
(Option to display as %Gas)
•
0-100% VOL Flammable
•
0-25% O
2
•
0-2000 PPM CO
•
0-100 PPM H
2
S
•
0 to 60 in. Water Gauge (0 to 150mBar)
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