RKI Instruments Pioneer 4W User Manual
Page 101
Pioneer Operator’s Manual (PRELIMINARY)
Oxygen Transmitter • 25
8.
Verify that the Oxygen Span Proceed line is flashing [or Zero (Oxygen Span) if
applicable], then press the ENTER button to continue. If the Oxygen Span Proceed
line is not flashing, press the UP/YES button, then press the ENTER button.
The Fresh Air screen appears. The readings displayed on the Fresh Air screen are the
current gas readings. The asterisk (*) to the right of each reading indicates that you
cannot adjust this reading at the Pioneer.
CAUTION:
Do not press the ENTER button at this time.
Setting the Zero Reading
1.
Screw the regulator into the 100% nitrogen calibration cylinder, then hold the
calibration cup over the diffusion port of the junction box.
2.
When the reading on the voltmeter stabilizes, verify a reading of 100 mV (±2 mV).
3.
If necessary, use the zero potentiometer on the amplifier to adjust the reading to
100 mV (±2 mV).
4.
Unscrew the regulator from the calibration cylinder.
NOTE:
For convenience, leave the components of the calibration kit connected by the
sample tubing.
Returning to Normal Operation
1.
Remove the voltmeter leads from the amplifier test points.
2.
Secure the junction box cover to the junction box.
NOTE:
If the oxygen reading(s) is below the alarm 1 setpoint when you return to the
normal screen, the Pioneer will initiate the appropriate alarm condition. You can
view the current reading(s) of the “selected” channels on the Fresh Air screen.
3.
Press the ESCAPE button three times.
The Save screen appears.
C H 1
C
C
C
H
H
H
2
3
4
0
E N T E R
t o
F r e s h
A i r
A d j u s t
X X X
9
.
2
2
2
0
0
.
.
9
9
*
*
*
E S C A P E
=
A b o r t
S e t
E N T E R =
S a v e
&
E x i t
=
u p
U P / D O W N
N e x t