83
Bump testing (quick process shown)
Place the prepared
calibration cup over the
instrument case top.
Press down to secure
the cup in place; a click
will sound.
Visually inspect the
calibration cup to ensure its
edges along the top and
sides align with the
instrument case top edges.
Bump test utility
Apply gas
Bump test progress
Apply calibration gases of the type and concentration stated
on the instrument's display screen: turn the cylinder's
regulator knob in a counterclockwise direction.
—
Cancel
bump test
Start bump
test
Cancel bump
test
All-sensor bump test results
End
After the bump test is completed, summary results are shown.
If any sensors fail the bump test, the calibration required
warning will turn on. Complete a calibration for any failed
sensor, then repeat the bump test.
Remove the calibration cup:
lift up from the cup's tabs.
Stop the flow of gas
: turn the
regulator knob in a clockwise
direction and tighten.
Passed
Failed
►►
Skipped
─
Not relevant to the procedure
Figure 7.2.C Bump testing instruction