P p f p, Zero ng, Cal g 1 – RKI Instruments SDM-2012 Standalone Configuration User Manual
Page 58

53 • Calibrating a GX-2012
•
If one or more of the sensors fails the fresh air adjustment, the SDM-2012
will abort the calibration and will not apply calibration gas. If this happens,
the CAL
S
LED will flash red indicating a failure and the following screens
will appear indicating which channels passed and failed the fresh air
adjustment with a P (pass) or an F (fail). In the following examples, the CO
channel failed the fresh air adjustment.
Figure 27: Failed Fresh Air Adjustment, Standard 4-Gas GX-2012 or GAS Menu
Item in Edit Mode Set to Std
Figure 28: Failed Fresh Air Adjustment, %Volume Sensor Installed and GAS Menu
Item in Edit Mode Set to ALL
In this case continue with step 19.
15. The SDM-2012 will apply GAS 1 calibration gas to the instrument for the time
defined by the GAS TIME calibration parameter.
16. If your GX-2012 does not have a %volume sensor installed, or if the GAS
P
P
F
P
%LEL
%
ppm
ppm
CH
4
O
2
CO
H
2
S
ZERO NG
0
20.9
90
0.0
%LEL
%
ppm
ppm
CH
4
O
2
CO
H
2
S
ZERO NG
P
P
F
P
%
ppm
ppm
CH
4
O
2
CO
H
2
S
ZERO NG
vol%
%LEL
0
20.9
90
0.0
%
ppm
ppm
CH
4
O
2
CO
H
2
S
ZERO NG
vol%
%LEL
45
10.0
47
23.0
%LEL
%
ppm
ppm
CH
4
O
2
CAL G 1
CO
H
2
S