Cascade Sciences CVAC-9.3, Руководство по установке и эксплуатации

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Required Stability Period
USER MAINTENANCE
5. Stability : The oven temperature must be stable in order to perform an accurate calibration.
•
The temperature is considered stabilized when the oven chamber has operated under
vacuum at your calibration temperature for at least 1 hour with no fluctuations greater
than the specified stability of the oven (see page 9).
Suggested Temperature Calibration
1
Once the chamber has stabilized, compare the reference
temperature device and chamber temperature display
readings.
•
If the readings are the same, or the difference
between the two (2) falls within the acceptable range
of your protocol, the display is accurately showing the
chamber temperature. The Temperature Calibration
procedure is now complete .
-OR-
•
See step 2 if the difference falls outside the
acceptable range of your protocol.
Reference Device

2
The display requires calibration.
•
The difference between the reference device and the
display is an offset .
•
Examples of offset values:
Reference Sensor Oven Display Offset Value
152.0°C 150°C 2.0
148.2°C 150°C -1.8
Note the offset value for use in Step 5 .
Reference Device

150°C
Start
1 Hour Minimum
Begin Calibration
Heat Up to 150°C:
~120 Minutes
Heat up phase to 220°C
approximately 180 Minutes
Fluctuations
(Exaggerated)