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OTC 5025 Diesel Exhaust Fluid Refractometer

OTC ★ 3.8/5 · ItemOracle Score Mid-Range

$118 USD
Price subject to change
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OTC 5025 Diesel Exhaust Fluid (DEF) Refractometer

Portable precision refractometer for measuring DEF concentration with an enlarged reticle scale for easy readings. Enables quick DEF condition checks and troubleshooting; customers note accuracy and ease of use

Highlights

  • DEF concentration measurement
  • enlarged reticle for readability
  • portable diagnostic tool

Pros

  • portable precision instrument
  • easy to read refractometer scale
  • accurate DEF concentration measurement
  • includes storage case

Cons

  • requires sample on prism for reading
  • no explicit mention of calibration interval in product data

Best For

  • truck fleet maintenance
  • diesel engine service bays
  • DEF quality checks for SCR systems
  • on-site diesel vehicle diagnostics
  • calibration prior to use

Features

  • Portable precision refractometer measures diesel exhaust fluid concentration
  • Prism-based design shifts light; higher concentration bends light more
  • Eyepiece magnifies a reticle scale to evaluate DEF condition
  • Includes scale values aligned with DEF concentration standards
  • Applicable to engines using SCR for NOx reduction per EPA standards

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