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SC-04
Chapter 5: User Mode and Calibration • 39
9. At the end of the countdown, the instrument analyzes the results. Follow the flow chart to
determine the bump test outcome.
Option A from Flow Chart
Option B from Flow Chart
• Bump test passed
• Bump test failed
• A-CAL set to OFF (factory setting is
ON)
1. The instrument indicates that the
channel passed the bump test. Use AIR
to scroll between the bump test result
and the bump test gas reading.
2. Close the regulator.
3. Unscrew the regulator.
4. Remove the calibration cup.
5. Press and release POWER MODE to
return to the
BUMP
screen in the
BUMP
menu.
6. Use AIR to scroll to
START
and press
and release POWER MODE to enter
Measuring Mode.
1. The instrument shows which channels
passed or failed the bump test. The LED
flashes and the buzzer sounds. Use AIR
to scroll between the result and the
reading.
2. Close the regulator.
3. Unscrew the regulator.
4. Remove the calibration cup.
5. Press and release POWER MODE to
return to the
BUMP
screen in the
BUMP
menu.
6. Use AIR to scroll to
START
and press
and release POWER MODE to enter
Measuring Mode.
7. Calibrate the SC-04 as soon as possible.
Figure 6: Bump Test Flow Chart
Bump test passed?
Y N
A-CAL On?
Calibration passed?
Y N
(default is on)
B
C D
Y N
A
SO2
P
BMP / CAL
ppm
SO2
4.70
BMP /
ppm
AIR
SO2
F
BMP / CAL
ppm
SO2
0.90
BMP /
ppm
AIR