3098 Gas Specific Gravity Meter Technical Manual
■This chapter contains an outline of how the 3098 works, defines some of the terms commonly used in the manual, and also gives some practical applications for the 3098.
●Specific Gravity Measurement
■Most major gas flow metering systems require the metered quantity to be presented in Heat or standard volume units. To achieve this requirement, it is often necessary to make continuous and accurate measurements of specific gravity. Specific gravity can be evaluated by relating the molecular weight of the gas (or gas mixture) to that of the molecular weight of air, or by evaluating the relative density of the gas (or gas mixture) and compensating the result for the Boyle's Law deviation on both the gas (or gas mixture) and the air.
■The 3098 Specific Gravity Meter adopts a combination of these two methods, where, by measuring the density of the gas under controlled conditions, the value of density obtained is directly related to the molecular weight of the gas, and thus to its specific gravity.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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October 2007 |
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Rev. B |
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30985020 |
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774 KB |
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