207 • Leak Testing GX-6000 Operator’s Manual
Check Mode even if you enter Normal Mode and return to Leak Check Mode
or turn the unit off and on unless the buzzer is manually turned on.
To turn the buzzer off or on while in Leak Check Mode:
1 . Press and hold the SHIFT ▼ (PANIC) and RESET buttons for 5 seconds.
2 . Release the buttons when NO ALARM appears at the top of the screen.
Locating a Leak
1. Start up the GX-6000 as described above in “Turning On the GX-6000,
Leak Check Mode” on page 203.
2. Move the probe tip or tapered nozzle tip back and forth along the area
where a leak is suspected.
3. Observe the display reading. If the gas level increases, the numerical
reading will increase, the bar graph level will increase, and the beeping
and buzzer pulsing frequency will increase.
4. Your gas reading may exceed your display range or 100% LEL. For a
description of both scenarios, see the following section.
5. Use the increasing and decreasing of the reading to locate the leak point.
6. To exit Leak Check Mode and enter another mode, press and hold the
▲AIR and DISP/LOCK buttons for 5 seconds to access the Mode
Select Screen.
Overscale Conditions
If the gas level goes over the display range, the gas reading will be replaced
with “OVER” and the LEDs and buzzer will pulse continuously until the
overscale condition has cleared. Once the gas level gets low enough, the
instrument will start showing ppm readings again.
4:07
CH4
F . S .
ppm
5000
ppm
OVER
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