6–18
NOTE
When calibrating the scale, Troxler recommends using
ANSI/ASTM Class 4 or NIST Class P masses that span
the range over which the oven will be used. The lowest
point of this range should be slightly less than the mass
of the unloaded sample pan assembly (approximately
3500 g). The highest point should be the combined mass
of the sample pan assembly and the maximum weight of
the samples that will be tested. As an alternate method,
prepare samples using any available material. Verify the
sample mass using an external scale that is accurate to
within ± 0.1 g.
The oven requests the mass of the first calibration point as shown:
Enter mass X
value (3000-9000g)
then press ENTER
Ensure that the hearth plate does not touch the chamber sides. Enter
the first mass value and press 〈ENTER〉. The oven displays:
Place mass on
scale, then press
enter - system will
delay 60 seconds
Place the first mass on the hearth plate and press 〈ENTER〉. The
oven measures the mass, then requests the mass of the second
calibration point as shown above. Enter the mass value and press
〈ENTER〉.
As directed, place the second mass or sample on the hearth plate and
press 〈ENTER〉.
f If the number of calibration points entered is 2, the oven
measures the mass, calibrates the scale, and then returns to the
Scale Menu.
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