CO
2
Leak Detector
12
7. OPERATING PROCEDURE
WARNING
!
Do not operate this instrument in the
presence of gasoline, natural gas, propane,
or in other combustible atmospheres.
How to Find Leaks?
NOTE:
A sudden whipping of the leak detector probe
or "blowing" into the sensor tip will affect the air flow
over the sensor and cause the instrument to alarm.
(1) Power-Up key:
The key turns the CO
2
Refrigerant Leak Detector
instrument ON or OFF function.
Press key once to turn on the CO
2
Refrigerant
Leak Detector, the display will illuminate with flash, for
45 seconds to heat up the sensor.
Press and hold this button for 3 second to turn off the
power.
(2) Enter the measuring mode
Place the tip of the leak detector probe as close as
possible to the site of the suspected leak. Try to
position the probe within 1/4 inch (6 mm) of the
possible leak source.
Slowly move the probe past each possible leakage
point.
When the instrument detects a leak source, the
