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发表于 2012-4-6 16:05:15
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EN285:
1)However,experience has shown that 12 sensors for each cubic metre is normally sufficient.
2)In this case,at least two sensors should be located in the same position for each test and their reading should be within the accuracy of the instrumentation.
3)The number of temperature sensors used should be not less than the number used for the chamber profile study with at least one situated adjacent to the temperature sensors connented to the recording instrument,indicating instrument and controller. |
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