Petroleum Product Color Tester
A Petroleum Product Color Tester determines the color of lubricants, fuels, and other petroleum products using standardized methods. Color measurement is essential for quality control, contamination detection, and product classification.
Test Standards for Petroleum Color Measurement
✅ ASTM D1500 – Standard Test Method for Color of Petroleum Products (ASTM Color Scale)
✅ ISO 2049 – Determination of Color of Petroleum Products (ISO Color Scale)
✅ ASTM D6045 – Automated Color Determination of Petroleum Products
✅ Saybolt Color (ASTM D156) – Saybolt Color Test for Lighter Petroleum Products
✅ Lovibond Color (ASTM D848, ISO 15305) – Color of Wax and Oils
Types of Petroleum Product Color Testers
1. Manual Visual Color Comparator
🔹 How It Works:
- Oil samples are visually compared to ASTM or ISO color reference standards.
- Operator manually selects the closest color match.
🔹 Common Models:
✅ Lovibond AF650 – Uses glass color standards for manual comparison.
✅ Normalab NCP 2000 – Compact and cost-effective.
🔹 Best For:
✔ Simple field or lab testing
✔ Low-cost quality control checks
2. Digital or Automatic Colorimeters
🔹 How It Works:
- Uses optical sensors & light transmission to measure color electronically.
- Provides precise numerical color values without human bias.
- Can measure ASTM, Saybolt, and ISO color scales.
🔹 Common Models:
✅ Koehler K13200 – Fully automated ASTM D1500 color tester.
✅ Anton Paar PetroColor – Measures Saybolt, ASTM, and ISO colors.
✅ Lovibond PFX-i Series – Advanced spectrophotometer for oils & fuels.
🔹 Best For:
✔ Refineries & lubricant manufacturers needing high accuracy.
✔ Automated, repeatable color measurements.
✔ Multi-scale compatibility (ASTM, Saybolt, ISO, Lovibond, etc.).
Applications of Petroleum Color Testing
1. Lubricating Oils & Base Oils
🔹 Why It Matters:
✅ Ensures oil purity & correct blending.
✅ Detects contamination & oxidation (darker oil = degradation).
2. Diesel Fuel & Gasoline
🔹 Why It Matters:
✅ Meets fuel quality specifications.
✅ Ensures correct dyeing for taxation & regulatory compliance.
3. Jet Fuel & Aviation Turbine Oils
🔹 Why It Matters:
✅ Confirms fuel clarity & absence of contaminants.
✅ Complies with aviation fuel standards.
4. Waxes & Transformer Oils
🔹 Why It Matters:
✅ Lovibond & Saybolt color tests confirm wax purity.
✅ Ensures transformer oils meet electrical insulation standards.
Lubricant Color Testing – Choosing the Right Petroleum Product Color Tester
Color testing is essential in lubricants to ensure quality, detect contamination, and monitor degradation. A Lubricant Color Tester helps classify lubricants based on ASTM, ISO, Saybolt, or Lovibond color scales.
Test Standards for Lubricant Color Measurement
✅ ASTM D1500 – Standard Test Method for Color of Lubricating Oils
✅ ISO 2049 – Color Determination for Petroleum Products
✅ ASTM D6045 – Automated Color Determination of Petroleum Products
✅ ASTM D156 – Saybolt Color for Light Lubricants & Fuels
✅ ASTM D848, ISO 15305 – Lovibond Color for Waxes & Oils
Best Color Testers for Lubricants
1. Lovibond PFX-i Series (PFXi-880, PFXi-995, etc.)
🔹 Test Standards: ASTM D1500, ISO 2049, Lovibond, Saybolt
🔹 Key Features:
✅ Fully automated spectrophotometer for precise color measurement.
✅ Measures ASTM, Saybolt, and Lovibond color scales.
✅ USB & network connectivity for easy data transfer.
🔹 Best For:
✔ Lubricant manufacturers & R&D labs needing high precision.
✔ Automatic color analysis with no human error.
✔ Multi-scale compatibility (ASTM, ISO, Saybolt, Lovibond, etc.).
2. Koehler K13200 Automatic ASTM Colorimeter
🔹 Test Standards: ASTM D1500, ISO 2049
🔹 Key Features:
✅ Fully digital system eliminates subjective errors.
✅ Real-time color analysis with digital display.
✅ Compact & cost-effective for routine QC testing.
🔹 Best For:
✔ Lubricant blending and quality control.
✔ Oil refineries & lubricant production plants.
✔ Fast, repeatable color measurements.
3. Normalab NCP 2000 Visual ASTM Color Comparator
🔹 Test Standards: ASTM D1500, ISO 2049
🔹 Key Features:
✅ Manual color comparison using reference standards.
✅ Simple, low-cost method for lubricant testing.
✅ Glass color standards ensure accurate visual assessment.
🔹 Best For:
✔ Small labs & field testing.
✔ Low-cost, occasional lubricant color testing.
Why Lubricant Color Testing Matters
🛢 Base Oil Purity – Confirms correct refining process.
🛢 Contamination Detection – Darker color indicates oxidation, water, or dirt contamination.
🛢 Blending Consistency – Ensures correct lubricant formulation.
🛢 Regulatory Compliance – Meets ASTM & ISO lubricant quality standards.