6–6
15. The oven requests the sample mass (W
S
= W
T
– W
P
). Enter the
sample mass and press 〈ENTER〉.
CAUTION
Use care when loading and unloading samples to avoid
touching or scraping the hearth plate, chamber sides, or
IR element.
16. Place the sample with the baskets and catch pan on the hearth
plate in the center of the oven. Ensure that the hearth plate and
sample baskets do not touch the chamber sides. Immediately
close the chamber door.
17. Press 〈START〉.
WARNING
Step away from the oven during ignition. Do not
override the door lock.
18. After ignition is complete, the oven releases the door lock and
prints a summary of the sample burn data. Wearing insulated
gloves and a face shield, remove the sample from the oven and
cover it with the sample safety cage until the sample has cooled
to room temperature.
NOTE
The accuracy of the ACF calculations can be reduced if
the sample is allowed to remain in the oven chamber
after the burn is complete.
19. Record the %AC determined by the oven (%AC
0
) with an ACF
of 0.0%.
20. Repeat steps 6 through 19 for the remaining correction samples.
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