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OilPrep 4 XL Oil Diluter

OilPrep™ 4 XL, an extension of PerkinElmer’s OilPrep 4 oil diluter, automatically dilutes up to 184 samples in a single batch in preparation for wear metals analysis.

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Its ultrasonic liquid-level sensing option allows the system to perform unattended dilution of variable volume samples. OilPrep 4 XL provides a turnkey solution for improving productivity in wear metals testing by inductively coupled plasma (ICP), such as with the Optima™ ICP-OES, while decreasing labor and material costs.


The OilPrep 4 XL oil diluter offers:

  • Increased productivity and efficiency – dilutes up to 184 samples in a single batch using 4 disposable tips
  • Flexibility – 4-tip Varispan® arm allows the user to access the original sample containers
  • Automation – ultrasonic technology for non-contact detection of unique liquid level heights within each sample container
  • Minimized cross contamination – pipettes with disposable tips eliminate sample contamination
  • Reduced solvent waste – eliminate tip washing with disposable tips
  • Upgradability – can be upgraded to an OilExpress™ 4 XL and OilExpress 4 DUO XL allowing FT-IR oil condition analysis and oil dilution within a single platform
  • Easy-to-use software – WinPREP® offers pre-defined pipetting templates and flexibility for use with different containers


Height 85.0 cm
Length 80.0 cm
Operating Range 15 - 35 °C
Portable No
Product Brand Name OilPrep
Voltage 100/120 and 200/230 V
Weight 118.0 kg
Width 145.0 cm

Resources, Events & More

Resource Type File Name File Format
Brochure OilExpress 4 Oil Condition Monitoring System PDF 9 MB
Technical Note Raising the bar in FT-IR: Getting the most out of On-site Oil Condition Monitoring PDF 672 KB
Flyer OilPrep 4 Oil Diluter: Complete Flexibility In Oil Dilution PDF 1 MB
Specification Sheet OilExpress: In-Service Lubricants FT-IR Control Oil PDF 447 KB
Specification Sheet OilPrep Family of Oil Diluters Specifications PDF 167 KB