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ST-55 fluid, part numbers and information

The P3100/P3200 deadweight tester user manual refers to ST-55 fluid as "Shell Spindle Oil 22, our reference 55-655." We more commonly refer to it as ST-55 oil. Historically it has also been called Tellus 22, Morlina S2 or EL 22 or Fluid 22.

Part Number     Description
3905893            ST-55 Operating Fluid (Oil), Quart  

MSDS sheet is here,
EL DWT Fluid-22 (ST-55, 55-655, PA9152, DW6293) 

Sample certificate of analysis link is below that shows shelf life of 4-years. ST-55 is almost always used with liquid deadweight testers, especially current models. Density is 879 kg/m3. Viscosity is 55 cSt at 20C, 22 cSt at 40C.

Official information, quotations and terms and conditions can be obtained from our Orders group at 1.877.355.3225 or orders@flukecal.com

Purchase order may be faxed to 1.425.446.5716 or emailed to orders@flukecal.com

Credit card orders can be made by phone by calling 1.877.355.3225

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