The Revolving Table is a tool designed to improve the preparation steps for insulating oil samples destined for Dissolved Gas Analysis (DGA) with the gas chromatography technique in the head space. Developed and validated by Sea Marconi in 1999, the revolving table is currently being used successfully in many laboratories internationally for everyday work.
The tool essentially consists of a rotating drum fitted with 28 spaces for vials with 20 ml head space, lined up with hermetic closures.
Sea Marconi’s revolving table permits up to 28 vials to be placed under inert gas (Argon) with a controlled flow, so that the oil sample remains uncontaminated by atmospheric elements (oxygen, nitrogen, CO2, moisture, dust, etc). The operational dose of the sample, the positioning of the stopper and the closure of the vial (always with inert gas) are quick and easy with the convenient central hand wheel and by the fact that the tool is made of transparent plexiglass.
It is used to prepare samples designated for dissolved gas analysis (DGA) through the head space (in oil or other liquid matrices) as well as water content in oil using the Karl Fischer technique with extraction in a stream of nitrogen.
The system operates in a controlled environment to take and repeat samples due to; the identification of the tube, the monitoring of the internal pressure, the internal and external temperature of the system, and the controlled flow of inert gas (Argon).
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Technical and construction features
|Revolving Table (28 vial)|
The Revolving Tables by Sea Marconi are actually used in: