RKI Instruments SDM-E2 - Manual (Page 63)

Calibrating an Instrument with Special Sensors • 58
10. Press and hold the CAL
S
button until the CAL
S
LED turns on (about one
second) then release it. The calibration begins. During the calibration, the
CAL
S
LED will flash amber indicating that a calibration is in progress and the
EAGLE 2 display will show the current readings.
If you wish to cancel the calibration, press and hold the CAL
S
button for at
least one second until CANCEL appears on the screen.
11. If at any point during the bump test the gas flow to the instrument becomes too
low, the bump test will be aborted and the screen will indicate a flow failure.
If a flow failure occurs, confirm all tubing connections are correct and that all
lines are clear.
• To return to the home screen, press and hold the EDIT ENTER button for
about 3 seconds.
• To start another calibration, press and release the CAL
S
button.
• To perform a bump test, press and release the BUMP
T
button.
12. The “Z” to the right of the gas reading indicates that air is being applied to the
instrument for a fresh air adjustment (zero). The SDM-E2 will apply fresh air to
the instrument for the time defined by the AIR TIME calibration parameter.
CH4 0%LEL Z
OXY 20.9vol% Z
H2S 0.0ppm Z
CO 0ppm Z
CO2 0ppm Z
NH3 0.0ppm Z
CH4 0%LEL FLOW
OXY 20.9vol% FLOW
H2S 0.0ppm FLOW
CO 0ppm FLOW
CO2 0ppm FLOW
NH3 0.0ppm FLOW