Stop Guessing Your DEF Quality
Contaminated or diluted Diesel Exhaust Fluid (DEF / AdBlue) can cripple your SCR system, trigger engine derate, and cause costly downtime. The 0–55 % Digital Urea Refractometer delivers a lab-grade reading in under 2 seconds, so every fill meets OEM spec.
Key Features
- Wide 0–55 % Range – covers 32.5 % DEF, urea fertilizer, and lab blends.
- ±0.2 % Accuracy • 0.1 % Resolution – trust every reading in the yard or shop.
- Automatic Temperature Compensation (ATC) – reliable from 10 – 40 ℃.
- LED Back-light & Auto-Off – clear display, longer battery life.
- Pocket-Sized & IP65 Splash-proof – ready for field technicians.
Applications
- Fleet & owner-operator diesel trucks
- Construction & agricultural machinery (Tier 4 / Stage V engines)
- SCR after-treatment service in dealerships & repair shops
- Fuel/DEF station quality control
- Laboratory formulation of urea solutions
Technical Specifications
| Measuring Range | 0 – 55 % (urea) |
| Resolution | 0.1 % |
| Accuracy | ±0.2 % / ±1 ℃ |
| Typical DEF Check Point | 32.5 % |
| Temperature Compensation | 10 – 40 ℃ (ATC) |
| Power Supply | 2 × AA batteries (not included) |
| Size / Weight | 121 × 58.5 × 30 mm / 127 g |
| Service Life | ≈ 20 000 tests per charge |
Package Includes
- Digital DEF Refractometer × 1
- Dropper & cleaning cloth
- User manual (EN)
Why Buy from MCOOH?
- 🚚 Free worldwide shipping & 30-day returns
- 🔧 1-year warranty • lifetime tech support
- 📦 Ships within 3 business days
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