ASTM D [ Withdrawn ]. Standard Practice for Sampling Insulating Liquids for Gas Analysis and Determination of Water Content. For complete instructions on sampling electrical insulating fluids for GAS ANALYSIS and determination of water content refer to ASTM D Adjust flow. electric equipment, are detailed in the Doble Reference Book on Insulating Liquids and Gases , ASTM Practices. D  and D . GOOD SAMPLE.
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Separate the syringe from the tubing and inspect forair bubbles. The filled syringe should contain no air. Ethics for managements consultans. If the slug moves away from theelectrical apparatus, a positive pressure exists.
Transformer Oil Gas Analyser (TOGA)
Immediately close the port to thesyringe Fig. Open the lower valve on the steel cylinder. If air is present, discharge oil with the syringevertical stopcock up and obtain another sample. Syringe Valve Piston Gases Materials. Cleaning thetubing should be considered impractical. Flush the valve at installed sample adapter, flushing at least one more quart of fluid into the flush oil container before collecting sample.
To the running of this website, we need your help to support us. Care asm be taken in drawing samples to preventcontamination and to ensure a truly representative sample.
Asuperscript epsilon e indicates an editorial change since the last revision or reapproval. We are nonprofit website to share and download documents.
Wipethe inside of the valve and threads with a clean lint-free cloth. When thedrying period has expired, syringe pistons shall be placed intheir barrels, valves closed; stainless steel cylinder valvesshould be closed; or cans sealed with their screw cap.
D free download, or read D online
One of twoprocedures may then be used to prepare the sample outlet. See Test Methods D for further details about generalcleaning requirements.
Chalmers The Components of Content. Position the handle toward the syringe. Attach oil-resistant tubing to the sample port on the drain valve and d613 at least one more quart of fluid into the flush-oil container before collecting the fluid in the sample container.
Install the drain valve security plug. The samples should notbe stored. If any sound is heard,the cylinder should be drained and the sampling repeated. Wipe the inside of the valve and threads with a clean lint-free cloth. The air may be dried bypassing the air through two drying towers in series, each toweris at least 9 cm diameter and 28 cm in height. Slowly depress the syringepiston until all the oil is evacuated from asmt syringe completing FIG.
Perform adtm condition procedure onemore time. Please download to get full document. All materials on our website are shared by users. Care shall be taken not tocontaminate the syringe inlet port.
Convenient cardboard cartons for storing and trans-porting syringes can be obtained. With all three valves openand the cylinder d36613 in a vertical position see Fig.
A number in parentheses indicates the year of last reapproval. This should involve a volumeof air equivalent to at least 55 changes of the cylinder volumeduring the 15 min period of drying. Samples can beobtained safely. Current edition approved April 10, Attach the plastic tube tothe syringe as shown in Fig. A large variancefrom normal should be considered when evaluating asrm testresults obtained when the syringe conditioning was not used.
Extreme care should be used in performingthis procedure. Samples should be forwardedto the laboratory as quickly as possible. However, gas-saturated samples will begin to release gases bubbles soon after sampling. If the slug moves towardsthe electrical apparatus, a negative pressure exists. Preparation for Sampling 6.