RKI Instruments GX-2012 Manual - Manual (Page 102)

94 • Leak Testing GX-2012 Operator’s Manual
Peak Hold Mode
Peak Hold Mode allows the user to view the peak methane reading for the
operating session while viewing the current methane reading.
To enter Peak Hold Mode:
1. Turn the GX-2012 on as described in “Turning On the GX-2012, Leak
Check Mode” on page 84. Select the desired display range. In the example
below, 500 ppm has been selected.
2. Press and hold the RESET SILENCE button until the Peak Hold Mode
screen displays.
The current methane reading is displayed on the first line. The “PH”
shown on the second line indicates that the GX-2012 is in Peak Hold
Mode. The peak methane reading is displayed on the third line. The full
scale value is displayed on the fourth line.
3. The peak reading displayed while in Leak Check Mode will appear in the
Peak Hold Mode screen.
4. If the highest reading recorded is higher than the full scale value, the full
scale value will be displayed. If the full scale value is changed to
something higher, the real value for the peak will be displayed.
5. To reset the peak, press and hold the RESET SILENCE button until you
hear a beep, then release it.
6. To exit Peak Hold Mode and return to Leak Check Mode, press and hold
the RESET SILENCE button until you hear the GX-2012’s second beep
and the Leak Check Mode Screen displays.
Snap Log Mode, Leak Check Mode Operation
The snap logging function in Snap Log Mode allows the user to record data at
a specific time and have it saved to the data logger. The data is assigned a
snap log ID and is saved with the station ID that was selected when the data
was taken.
To enter Snap Log Mode and record snap log data:
1. Turn the GX-2012 on as described in “Turning On the GX-2012, Leak
400
PH
500
500
ppm
ppm
ppm
LEAK CK MODE
CH
4
F.S.
PEAK