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ASTM D4052 for density, relative density and API gravity of liquids
ASTM D4052 for density, relative density and API gravity of liquidsASTM D4052 standard test method for density, relative density, and API gravity of liquids by digital density meter4. Summary of Test Method4.1 A small volume (approximately 1 to 2 mL) of liquid sample is introduced into an oscillating ...
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ASTM D4052 for density, relative density and API gravity of liquids
ASTM D4052 for density, relative density and API gravity of liquidsASTM D4052 standard test method for density, relative density, and API gravity of liquids by digital density meter1. Scope1.1 This test method covers the determination of the density, relative density, and API Gravity of petroleum distillates ...
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Color is not an indicator of oil quality or suitability
Color is not an indicator of oil quality or suitabilityIntroductionThe color of gas-turbine oils is due to the additive package selected for the product.Color will vary between oils and it is not an indicator of oil quality or suitability. An oil's color should not be judged by light reflected from a ...
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Common troubles and troubleshooting of MG-II-T Oil Test Set
Common troubles and troubleshooting of MG-II-T Oil Test Set1. No voltage shown and no breakdown in test vessel when test is started.①Open the box of test set. Check if any part is broken;②Check resistance value of green power resistance 30ohm/20W;③Replace broken part with new one.2. Sound alarm ...
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How much is too much water in oil?
How much is too much water in oil?Setting an alarm level for water in oil is very important for machine reliability. Establishment of levels, combined with testing at proper intervals, will allow the end user to act quickly if a sudden increment of water is detected.Best practice is to maintain water ...
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Water Contamination in Oil
Water Contamination in OilWater is widely considered as the second most destructive contamination to a lube system, after particulate contamination. This article will focus on how water exists in oil, the effects of water on oil and lube systems and measurement of water amount in oil, as well as setting ...
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Methods for moisture estimation in cellulose insulation
Methods for moisture estimation in cellulose insulation1. Direct methodTake paper sample from transformer and measure moisture content using Karl Fisher titration.Note:(1) Only possible during repair or tear-down(2) Moisture content in pressboard/paper samples is pending where the sample was located(3) ...
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Water effects the transformer performance
Water effects the transformer performance(1) Loading capabilityLimits the loading capability due to decreased bubbling inception temperature.(2) Dielectric strengthDecreases the dielectric strength of the oil and decreases PD inception voltage.(3) AgingHigh temperature and moisture will dramatically ...
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Water is one of the worst enemies of a transformer
Water is one of the worst enemies of a transformer1. A transformer with low moisture content is like a person in good condition(1) A transformer can be used at high load without risk for catastrophic failure.(2) A person can work hard without risk for heart attack.2. A wet transformer is like an overweight ...
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Common troubles and troubleshooting of MG-II oil test set
Common troubles and troubleshooting of MG-II oil test set1. No display(1) Check if there is power;(2) Check if fuse burnt, one is in socket, one is on surface of panel.2. Normal display, but there is alarm after press "RUN" key.High voltage chamber is not closed well, or adjusting switch broken.3. Normal ...
