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2018-5-1 · Sample records for vacuum uhv surface Consequently, the current study highlights the in principle known impact of the residual gas on metal surfaces (Fe, Mg, Recovery (CFU cm-2) and relative recovery (vacuum recovery/wipe recovery) were determined for each method and material type. Relative recoveries were compared by one-way and three

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2018-4-1 · Sample records for contaminated commercially produced The gaseous contaminant was simulated using SF6 as a tracer gas with the source loed at the mouth of a seated manikin close to the aisle. Two-fifths of the gaspers next to the aisle were turned on in the cabin, and each of them supplied air at a flow rate of 0.66Â l/s

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A complete operation cycle of each chaer undergoes three stages in sequence: vacuum generation by condensing pre-refilled steam, vacuuming gas from appliion system, and purging gas out of chaer while refilling steam.

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A complete operation cycle of each chaer undergoes three stages in sequence: vacuum generation by condensing pre-refilled steam, vacuuming gas from appliion system, and purging gas out of chaer while refilling steam.

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SF6 gas measuring devices – Synergy Power Systems. SF6 gas measuring devices. It is absolutely necessary to know the gas quality before carrying out maintenance works on a circuit breaker in order to be able to decide on preparation, re-use or disposal of the SF6 gas.

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A complete operation cycle of each chaer undergoes three stages in sequence: vacuum generation by condensing pre-refilled steam, vacuuming gas from appliion system, and purging gas out of chaer while refilling steam.

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RF-300 Separating Series SF6 Recovery Device allows the preparation of used SF6 gas containing an inadmissibly high percentage of nitrogen or air to the desired quality so that the SF6 can be reused in gas compartments.The purity degree of the prepared SF6 gas corresponds to the IEC 60480 guideline for used SF6 gas.