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GT SERIES
1 INSTRUMENT, 7 APPLICATIONS
• Direct CO and Differential CO - the direct CO reading is logged.
• Air-Free CO - the calculated reading is logged.
A manual log can be taken at any time.
A manual zero will also be logged.
4.5. Purge Mode
The purge mode is used in direct and indirect purging applications.
4.5.1. Available Ranges
• 0 - 100% VOL Methane
• 0 - 25% VOL Oxygen (O
4.5.2. Features
Purge mode features:
• Pump ON / OFF
• Manual zero
• Display Invert
• Backlight
• Flashlight
4.5.3. Display
By default, Purge mode only displays the Methane VOL reading as shown in
Mode - default
display.
To display both Methane and O
the RANGE
button.
Figure 40: Purge Mode - dual range display
26
) if fitted
2
Figure 39: Purge Mode - default display
as shown in
Figure 40: Purge Mode - dual range
2
Figure 39: Purge
display, press
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Revision 10
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