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GT SERIES
1 INSTRUMENT, 7 APPLICATIONS
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
• 0 - 2000 ppm Carbon Monoxide (CO) if fitted
• 0 - 100 ppm Hydrogen Sulphide (H
4.2.2. Features
Confined Space mode features:
• Audible / Visual Alarms
• Pump ON continuously (will not stop if flow fault is detected)
• Automatic & Manual Datalogging
• Max / Min Display
• Time weighted averaging (TWA) alarms for toxic ranges
• Confidence signal every 15 seconds
• Display invert
• Backlight
• Flashlight
4.2.3. Display
Figure 20: Normal Confined Space Display
Figure 21: Confined Space Display (in alarm)
4.2.4. Pump
The pump runs continuously for safety reasons. If a Flow Fault occurs, 'FLOW FAULT' appears on
the screen and fault LED will illuminate. Refer to
16
) if fitted
2
S) if fitted
2
Section Figure 22: Flow Fault
Example.
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Revision 10
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