RKI Instruments Gas Tracer - Manual (Page 138)

130 • Using Maintenance Mode Gas Tracer Operator’s Manual
bump test. These instructions assume you are using a 3-gas cylinder
and a %volume methane cylinder.
1. Before performing a bump test, perform a fresh air adjustment as
described in “Performing a Fresh Air Adjustment” on page 122.
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.
MAINTENANCE
BUMP
50
12.0
50
%LEL
%
ppm
MAINTENANCE
CH
4
O
2
BUMP 30
CO
100
vol%
MAINTENANCE
CH
4
BUMP 30