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Read our primer articles on Oil Analysis and Tribology

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Ashvin,

According to ASTM D-6224 (Standard Practice for In-Service Monitoring of Lubricating Oil for Auxiliary Power Plant Equipment), the following tests should be ran on gear oils:

-Appearance
-Viscosity @ 40 C
-Acid Number
-Water
-Elemental Analysis

I would suggest that you also perform Direct-Read (DR) Ferrography to monitor wear.

Linear Sweep Voltammetry (often referred to RULER testing) can be used to measure the remaining useful life of an oil.
quote:
Originally posted by Cary F.:
Ashvin,

According to ASTM D-6224 (Standard Practice for In-Service Monitoring of Lubricating Oil for Auxiliary Power Plant Equipment), the following tests should be ran on gear oils:

-Appearance
-Viscosity @ 40 C
-Acid Number
-Water
-Elemental Analysis

I would suggest that you also perform Direct-Read (DR) Ferrography to monitor wear.

Linear Sweep Voltammetry (often referred to RULER testing) can be used to measure the remaining useful life of an oil.
quote:
Originally posted by Cary F.:
Ashvin,

According to ASTM D-6224 (Standard Practice for In-Service Monitoring of Lubricating Oil for Auxiliary Power Plant Equipment), the following tests should be ran on gear oils:

-Appearance
-Viscosity @ 40 C
-Acid Number
-Water
-Elemental Analysis

I would suggest that you also perform Direct-Read (DR) Ferrography to monitor wear.

Linear Sweep Voltammetry (often referred to RULER testing) can be used to measure the remaining useful life of an oil.


Cary,

Thanks for the reply.
Could you brief me about the RULER Method and what equipment is needed to take readings.

Are there any ASTM standards specified for inservice Industrial Hydraulic oil ?


Thanks,
Ashvin
quote:
Originally posted by ReneWA:
Ashvin,

Most used oil laboratories already have a specific set of test suites for testing both industrial and automotive gear oils which includes most of the tests mentioned including oxidation via FTIR. They should be able to provide you with the test suites dependent on the oil type.


As mentioned do not forget oxidation but one thing to consider is if you use esters or ester co-base oils an oxidation test done by FTIR will be skewed (similar absorption). You'll want a TAN tested to help indication oxidation changes.

Lot's of good advice given.
Hi!!!

We are company dealing in Proactive Maintenance solutions and work with leading companies.

Manufactures field test kits for monitoring the physical parameters of the oil like Viscosity, TBN, TAN, Water in oil, insoluble etc.

Also produces lab as well as field kits to monitor the wear debris.

For further any queries, Please feel to contact
Mail: vikram@dantechengineers.com
Bangalore
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