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Instruction 24-9435
23
Fyrite Tech
3. Set the simulator to 0 °C (32 °F); then use the
▲
and
▼
buttons to
set the dis played value to match the simulator’s value.
4. Set the simulator to 300 °C (572 °F); then use the
▲
and
▼
buttons
to set the dis played value to match simulator’s value.
5. Repeat Steps 3 and 4 as necessary until the analyzer is reading cor-
rect ly at both temperatures.
6. Press
ENTER
to store these calibration values and move to the next
cal i bra tion screen, or hold down
ENTER
for 2 seconds to store these
calibration values and enter the Run Mode, or press the
I/O
button
to exit the Cal i bra tion Mode and turn OFF the an a lyz er with out
saving the changes.
7. Remove thermocouple simulator from analyzer.
5.4 Oxygen Sensor Zero
Material Required:
• Cylinder of 100% Nitrogen, P/N 9550-0049
• Calibration Kit, P/N 24-7059
Procedure:
1. With the analyzer sampling fresh air, enter the Calibration Mode
as described in Section 5.1. Then repeatedly press the
ENTER
but-
ton until “O
2
” appears in the lower left side of the display.
2. Allow pump to run and sample fresh air for at least 1 minute.
3. Use the
▲
and
▼
buttons to set the displayed value to 20.9%.
4. Set up the Calibration Kit with 100% N
2
as de scribed in the in-
struc tions supplied with the kit.
5. Connect the tubing of the Calibration Kit to the inlet of the an a -
lyz er; then adjust the regulator for ap prox i mate ly 2 SCFH of excess
fl ow (see Figure 5-1).
Содержание 24-7233P
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