GT-FIRE
PORTABLE GAS DETECTOR
67816
Revision D
20
Action
Button
Note
Ticker (Geiger)
ON/OFF
Press and Hold
Audible and visual alarms are enabled when Leak
mode is selected. To change alarms:
1st press and hold - visual only.
2nd press and hold - disable both.
3rd press and hold - enable both.
When PPM autoranges to LEL, the Ticker (Geiger)
continues until an LEL alarm is reached.
If no LEL alarm is set, the Ticker (Geiger) remains
active.
Ticker (Geiger)
Adjust
Press and Hold
When altered, the threshold setting is displayed
briefly, e.g. 500 as shown in
Figure 19: Ticker
(Geiger) Threshold
.
Figure 19: Ticker (Geiger) Threshold
1
Note: If the monitor is in alarm, the Max function cannot be used until the alarm is
acknowledged.
2
Note: An optional configurable feature enables manual selection between “PPM”
and “LEL”. If this option is enabled and a CO range is present, it will not be possible to
only view the flammable range.
4.1.5. Logging
Automatic datalogging is active for the LEL and CO ranges. By default, these logs are recorded
every minute.
4.2. Confined Space Mode
This mode is used for confined space pre-entry testing and for personal monitoring in areas such
as basements.
4.2.1. Available Ranges
• 0 - 100% LEL Methane
• 0 - 25% Oxygen (O
2
)
if fitted
• 0 - 1000 ppm Carbon Monoxide (CO)
if fitted
• 0 - 100 ppm Hydrogen Sulphide (H
2
S)
if fitted
