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Learn Oil Analysis

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Secrets of OCM

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Welcome to the definitive resource on all things oil analysis. Take a look around the site and register for free to get full access to the learn oil analysis book series.

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Latest & Popular Articles

See the latest and most popular articles on oil analysis that have been posted to find out more about how oil analysis works and the benefits it could be doing for you.

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Remaining Useful Life or RULer was introduced a few years back as a great alternative to RPVOT (Rotating Pressure Vessel Oxidation Test - formerly known as RBOT) to establish remaining life of lubricants. Up until this point the traditional method of measuring how much antioxidant was left in the oil was done indirectly by artificially ageing the oil in a rotating pressure vessel which could take up to a day per sample to perform on expensive instruments that required huge investment to provide ...
RULer remaining useful life lube oil test - too good to be true?
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Water In Oil – the problem

Water is a very poor lubricant and the fact it does not mix easily with oil means it causes double the problem by removing the stuff that is. The density of water means it will drop to the bottom of bearings or loaded surfaces, the exact place the best Lubrication is needed. Water with air also promotes corrosion (rust) within the system. In addition, high temperatures environments and high loading water will boil off at the mating surfaces, leading to a temporary l...
Water in Oil - How to Prevent & how to remove water from lube oil.
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Everyone knows keeping electricity flowing 24 hours a day, 365 days of the year is vital in keeping the nation safe. If the lights suddenly went out that may be an inconvenience for some, a loss of income to others and worse still result in loss of life saving equipment.

Despite advances in renewables, at time of writing over half all electricity in the UK still comes from burning fossil fuels, which in turn leads to rotation of steam or gas turbine blades that generate powerstaion electricity....
Why sampling turbine oils is vital?
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This article will answer the following questions:

How to reduce lube oils costs and cheaper lubricant bills?


How to extend oil drain change intervals?
How to effectively plan cheaper oil changes?

If it costs you £50k to change your oil you are naturally going to be cautious about doing so without needing to. So traditional approaches of changing your oil E.g. every 3 years don’t really seem to add up if your oil could go for 4 years, whilst the cost of the machinery failure ...
Why partial oil changes don't make financial sense.
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An interesting question the other day on linkedin. Interestingly, from a competitor lab which I always take as a compliment. So I thought in the gesture of knowledge sharing for the greater good I thought I would write an article to explain.

The question was:

When we test engine oils for customers that are sludged we often comment the reason for this is poor combustion, but I am not quite sure as to how exactly the two are linked. Can you help? Your website is brilliant by the way - love i...
What happens in an engine oil to cause sludges?
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This article will answer the following questions:

How do you detect a fuel leak with fluid analysis?


Why is my engine oil level rising?
How can I tell if the quality of my fuel is of a poor quality?
What is blow-by?
Why is my fuel filter black?
Why do I need to use an approved oil?
There are many different types of diesel fuelled engines from small car sized engines to huge generator and marine engines the size of buildings with truck and off-highway plant machinery somewhere in b...
Diesel Fuel System Faults, how to detect, prevent and cure them?
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This article answers the following questions:


How to reduce machinery downtime?



How to reduce machine repair costs?


How to reduce lubricant oil and grease consumption?


How to improve machinery reliability?

How big is the impact of wear on a business?

With such a list of questions above to answer you would imagine this article would be very detailed but in fact it can be summed up in two words "Oil" and "Analysis". I personally live and breathe oil analys...
Why oil analysis matters - it saves you loads of cash and avoids shed tears
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Why Oil Analysis Matters?

Oil Analysis is used by people just like you all over the world to reduce machinery downtime and improve equipment reliability. A small sample of oil from your machinery can provide as much information as a full machine strip down at a fraction of the cost and has been a proven technology for over 60 years to reduce forced shutdowns and failure repair costs. Want to understand how oil and grease analysis works and how it applies to you then watch this short video below.

How Much Can Oil Analysis Save Me?

Oil analysis is a brilliant tool that can save you money each time you sample. The returns on investment vary depending on your machinery type, so feel free to use our sister sites cost saving calculator at the bottom of their FAQ Page.

Read the Book

By registering for free to our quarterly newsletter and logging in you can read the industry leading textbook series on oil analysis “Learn Oil Analysis”

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Ask a question

Ask a question on oil analysis directly to the site author. This can also include requests on how and with whom to start fluid sampling. You can also contact the author on linkedin.

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See our Training Courses

Register for free and get access to some of our great short oil analysis training training courses. Content is updated regularly and includes explanation of tests, sources of wear, how to take a sample and the benefits of oil Sampling. You can also book a dedicated training day for you and your team too or enquire about our deluxe online training programmes.

Welcome to Learn Oil Analysis

Training Videos

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Get your oil tested

img 3041 Learn used oil analysis sample testing, lubrication reliability maintenance, predictive lab diagnostics to reduce costs & boost profits.If you have never had your oil tested before then what are you waiting for and get in contact with a lab today. There are many reputable labs all across the world that offer excellent oil analysis services you can use including our sister lab – Oil Analysis Laboratories, which is the only lab in the world to offer the LubeWear test. LubeWear identifies abnormal wear far earlier than traditional wear metal analysis techniques meaning you can catch faults earlier to keep your machine reliability at its highest. A brief video explanation of the rest can be viewed below.