102 • Start Up, Leak Check Mode
Gas Tracer Operator’s Manual, CSA Version
13. The Gas Tracer is now operating in Leak Check Mode.
The combustible gas reading is displayed along with the battery charge level.
Performing a Fresh Air Adjustment, Leak Check Mode
Before using the Gas Tracer for leak checking, it is recommended to set the fresh
air reading by performing a fresh air adjustment. This will set the combustible gas
channel to zero.
1. Find a fresh-air environment. This is an environment free of toxic or
combustible gases and of normal oxygen content (20.9%).
2. Turn on the unit as described above in “Turning On the Gas Tracer, Leak
3. Press and hold the AIR
▲
button. The display will prompt you to hold the
AIR
▲
button.
4. Continue to hold the AIR
▲
button until the display prompts you to release the
AIR
▲
button. The Gas Tracer will set the fresh air reading for the combustible
channel. Once the fresh air adjustment has finished, start up is complete and
the unit is ready for leak testing.
5. If you would like to calibrate the Gas Tracer while in Leak Check Mode, follow
the same instructions described in “Calibration Mode” on page 62.
0
5000
ppm
ppm
LEAK CK MODE
CH
4
F.S.
AIr
CAL
HOLD AIR
