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2.3. Monitor Ranges
The following ranges are available in the GT:
• 0-2,000 ppm Methane
• 0-100% LEL Methane
• 0-25% Oxygen (O
• 0-1000 ppm Carbon Monoxide (CO)
• 0-100 ppm Hydrogen Sulphide (H
Note: Your GT-Fire may not have all ranges fitted.
Note: The GT-Fire is calibrated for Methane. PPM & LEL ranges will respond to other
flammable gases but will only detect Methane accurately.
Caution: Avoid exposing to flammable gases other than Methane. This
can alter the performance of the flammable sensors and generate faults.
If however the monitor has been exposed to hydrocarbons other
than Methane, an immediate calibration should be performed before
returning the monitor to normal operation.
2.4. Modes of Operation
Leak Test:
Used to investigate odour or leak complaints and to pinpoint leaks.
Used for confined space pre-entry testing and for personal monitoring in
Confined Space:
areas such as basements.
Allows the user to set up and apply gases for Bump Testing and
Bump Test:
automatically log readings.
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PORTABLE GAS DETECTOR
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