Gas Tracer Operator’s Manual, CSA Version
Using Maintenance Mode • 121
1. Before performing a bump test, perform a fresh air adjustment as described in
“Performing a Fresh Air Adjustment” on page 114.
2. Install the demand flow regulator onto the calibration cylinder.
3. Connect the sample tubing to the demand flow regulator.
4. Install the hose and probe to the Gas Tracer.
5. Use the AIR
▲
or (SHIFT)
▼
buttons to display the BUMP menu item.
6. Press and release the POWER ENTER button to display the bump test gas
values.
7. Use the AIR
▲
or (SHIFT)
▼
buttons to see the %volume combustible gas bump
test value.
8. A bump test may be performed on the standard 3 sensors or on the %volume
combustible sensor. Use the AIR
▲
or (SHIFT)
▼
buttons to display the screen
for the sensor(s) you wish to bump test.
9. Before proceeding, confirm that the bump test gas value(s) are the same as the
concentration(s) in the calibration cylinder. If they are not, adjust the bump
test gas value(s) by entering the AUTO CAL menu item, changing the values
there, and reentering the BUMP menu.
10. Connect the tubing from the demand flow regulator to the rigid tube on the
probe, then quickly press and release the POWER ENTER button. The unit
will begin counting down from 30.
MAINTENANCE
BUMP
50
12.0
50
%LEL
%
ppm
MAINTENANCE
CH
4
O
2
BUMP 30
CO
100
vol%
MAINTENANCE
CH
4
BUMP 30
