
72
Teledyne API N500 CAPS NO
X
Analyzer with NumaView™ Software
089770000 Rev 05
12. Once complete, replace the instrument cover and perform a system leak
check procedure.
13. Use caution when fastening the new pump into position to ensure that no
wires or pneumatic tubes get pinched under the pump mounting bracket.
Figure 5-7. Internal Pump
CHANGING THE SAMPLE CONDITIONER
1. Turn off the analyzer, unplug the power cord and remove the cover.
2. Locate the permeation tube (Sample Gas Conditioner, see Section 5.6.4).
3. Remove the top layer of insulation if necessary.
4. Unscrew the black aluminum cover of the oven (3 screws) using a medium
Phillips-head screw driver.
•
Leave the fittings and tubing connected to the cover.
5. Remove the old permeation tube and replace it with the new tube (or store the
permeation tube in its original container if the instrument will not be operated for
several or more hours).
•
Ensure that the tube is placed into the larger of two holes and that the open
permeation end of the tube (plastic) is facing up.
6. Re-attach the cover with three screws.
•
Ensure that the three screws are tightened evenly.
7. Replace the analyzer cover, plug the power cord back in and turn on the
analyzer.
8. Carry out a span check to see if the new permeation device works properly (see
Section 4).
9. The permeation rate may need several days to stabilize.
ATTENTION
COULD DAMAGE INSTRUMENT AND VOID WARRANTY
Do not leave instrument turned off for more than 8 hours without
removing the permeation tube. Do not ship the instrument
without removing the permeation tube. The tube continues to
emit NO
2
, even at room temperature and will contaminate the
entire instrument.
Содержание N500
Страница 2: ......