| 摘要 |
An aircraft fuel contaminant tester has an upper transparent chamber for viewing a first sample of aviation fuel, a lower chamber, a fuel cell drain valve actuating device for loading the upper transparent chamber. A thumb actuated valve halts flow of fuel from the upper chamber into the lower chamber until actuated by the pilot after viewing contaminated fuel in the upper transparent chamber. The larger lower chamber permits several samples of fuel to be repeatedly drained from the fuel tank and examined merely by manually actuating the valve without the undesired discarding of any fuel. When the fuel in the last batch of sampled fuel, viewed in the upper chamber, is free of contaminants, the inspection process ends and the tester is inverted, draining the sampled fuel from both chambers, usually at one time only, to eliminate the repeated discarding of the fuel from the commonly used sampler cup.
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