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  • chemical age diagnosis of your transformers Do you know the chemical age of yourtransformers? Well we do!There are many complementary methods for diagnosingtransformer ageing process earlier and reliably. GC2010D Transformer oildissolved gas analyzer and some other oil test instrument is completely focusedon the laboratory diagnostics of oil-filled ...
  • ASTM D4055 Standard Test Method for Pentane Insolubles by Membrane Filtration ASTM D4055 Standard Test Method for Pentane Insolubles by Membrane Filtration10. Report10.1 Report the percentages of pentane insolubles by membrane filtration as:pentane insolubles (0.8 µm) percent weight10.2 Some new oil chemistry will require determination of a baseline value for the new oil (that ...
  • ASTM D4055 Standard Test Method for Pentane Insolubles by Membrane Filtration ASTM D4055 Standard Test Method for Pentane Insolubles by Membrane Filtration8. Procedure8.1 Using either Practice D4057 (manual sampling) or Practice D4177 (automatic sampling), obtain a representative sample of the material to be tested.8.1.1 Preparation of Sample and Materials:8.1.2 Warm the oil in ...
  • ASTM D4055 Standard Test Method for Pentane Insolubles by Membrane Filtration ASTM D4055 Standard Test Method for Pentane Insolubles by Membrane Filtration6. Apparatus6.1 In the development of this test method, it was noted that variations, particularly with respect to glassware and filter media, can affect the test result significantly.6.2 When the user of this test method uses ...
  • ASTM D4055 Standard Test Method for Pentane Insolubles by Membrane Filtration ASTM D4055 Standard Test Method for Pentane Insolubles by Membrane Filtration4. Summary of Test Method4.1 A sample of new or used lubricating oil is mixed with pentane in a volumetric flask. The oil solution is filtered through an 0.8-µm membrane filter. The flask, funnel, and filter are washed with ...
  • ASTM D4055 Standard Test Method for Pentane Insolubles by Membrane Filtration ASTM D4055 Standard Test Method for Pentane Insolubles by Membrane Filtration1. Scope1.1 This test method covers the determination of pentane insolubles for particles exceeding 0.8 µm in new and used lubricating oils.NOTE 1 - Pentane insolubles with particle sizes less than 0.8-µm may be studied with ...
  • Compounds analyzed by GC2010D DGA Compounds analyzed by GC2010D DGAFollowing compounds are analyzed by GC2010D Transformer Oil Dissolved Gas Analyzer:H2, O2, N2, CH4, CO and CO2C2 (ethane, ethylene, acetylene), C3 (propane, propylene), C4 (1-butene)
  • RPVOT - Measure Oxidation Stability ASTM D-2272 RPVOT - Measure Oxidation Stability ASTM D-2272RPVOT (Rotating Pressure Vessel Oxidation Test)RPVOT D-2272, previously known as RBOT (Rotating Bomb Oxidation Test)ObjectiveTo determine lubricant's resistance to oxidation and sludge formation using accelerated test conditions that involve high temperature, ...
  • ASTM D4859 Lubricants for Two-Stroke-Cycle Spark-Ignition Gasoline Engines-TC ASTM D4859 Lubricants for Two-Stroke-Cycle Spark-Ignition Gasoline Engines-TC6. Pass-Fail Criteria6.1 All Tests - The performance of the candidate oil shall be as good as, within the tolerance allowed, or better than that of the benchmark reference oil. Rating procedures are given in the test methods.6.2 ...
  • ASTM D4859 Lubricants for Two-Stroke-Cycle Spark-Ignition Gasoline Engines-TC ASTM D4859 Lubricants for Two-Stroke-Cycle Spark-Ignition Gasoline Engines-TC4. General Requirements4.1 This specification covers only specific aspects of the performance of the lubricant in an engine under the conditions of test. Requirements additional to those of this specification, such as miscibility ...