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[CONT] DSH 244B Heating test on equipment in operation, when tested in a heating cabine

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小米

发表于 2012-9-4 15:46 | 显示全部楼层 |阅读模式

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DSH 244B

Heating test on equipment in operation, when tested in a heating cabinet without specification of air ...

14

60730-2-8(ed.1)

Question:
When making a heating test, the temperature rise depends on the speed of the air circulation within the heating cabinet.
What should be taken into account that the air speed of the heating cabinet has no influence of the test results?
Decision:
When water valves are tested, care must be taken to ensure that the air speed of the heating cabinet is sufficiently low, so that it will not cool the test sample unduly. When the temperature rise of the unit under test is close to the specified limit, then particular care needs to be taken, for example by the use of air baffles or a reduced fan speed. In this case it is advisable to measure the air temperature of the heating cabinet close to the test sample.
The decision is limited to testing of water valves.

operation, equipment, tested

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[CONT] DSH 244B Heating test on equipment in operation, when tested in a heating cabine

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