RKI Instruments EAGLE 2 Manual - Manual (Page 107)

EAGLE 2 Operator’s Manual Calibrating Using the Single Calibration Method • 97
and press and release POWER ENTER RESET to return to the
Calibration Mode Screen.
If you do want to continue with the calibration, proceed with the next
step.
7. Press and release the POWER ENTER RESET button to proceed to the
Single Calibration Gas Value Screen for the selected channel. The
calibration gas value is flashing.
8. If necessary, adjust the calibration gas value to match the cylinder
concentration using the AIR ▲ YES and RANGE ▼ SHIFT buttons. For
this example, the calibration gas value is entered as 50 %LEL.
NOTE: The calibration gas value cannot be set lower than the low alarm
setting. If the calibration gas value listed on the calibration cylinder
is lower than the current low alarm setting, enter Setup Mode and
change the low alarm setting. See “Updating the Alarm Point
Settings” on page 115 for instructions. If you need to change the
alarm point setting only to perform a calibration, make sure that you
change the alarm point setting back to its original value once the
calibration has been performed.
9. Press and release the POWER ENTER RESET button to proceed to the
Single Calibration Apply Gas Screen. CAL IN PROCESS is flashing.
10. Fill the gas collection bag by screwing the fixed flow regulator or
dispensing valve onto the calibration cylinder and turning the knob
counterclockwise.
11. Allow the gas to dispense until the gas collection bag is a little over half
full.
SINGLE CALIBRATION
CH4 50 %LEL
UP/DOWN TO ADJUST
CALIBRATION VALUE
ENTER WHEN DONE
SINGLE CALIBRATION
APPLY GAS
CH4 0 %LEL
CAL IN PROCESS
ENTER WHEN DONE