Friday, August 22, 2014

Revised method for kinematic viscosity!

The ISL Houillon Viscometers, the VH1 and VH2, from PAC, comply with the recently released revised version of ASTM D7279-14 Standard, “Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids by Automated Houillon Viscometer”.

The new revision of the standard extends the scope from lubricating oils to include distillates (e.g., base oils, formulated oils, fuels, and biodiesel) and also adds a new precision at 40°C and 100°C, established through an interlaboratory study.

Our customers can now run their distillate oil samples on the VH1 and VH2 while complying with ASTM D7279. Requiring less than 1 ml of sample, the Houillon approach is applicable to both transparent and opaque samples, while needing less manpower to run. Since the kinematic viscosity results are produced within 60 seconds, the ASTM D7279 method has proven to be ideal for rapid testing of in-service engine oil conditions.

In addition to small sample size and fast analysis, the ISL Houillon Viscometers are easy to operate, flexible due to the capability to accommodate one or two solvents for cleaning, and robust in construction. Finally, the single-bath design, including 4 Houillon tubes, combined together with advanced automatic features, enable the simultaneous run of up to 16 tests.

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