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Koehler K90901: Precision Octane Testing for Modern Fuel Standards

In the evolving landscape of fuel technology, ensuring accurate octane ratings is paramount for engine performance and longevity. The Koehler K90901 Combination Octane Rating Unit Engine stands at the forefront of this necessity, offering precise measurements for both Research Octane Number (RON) and Motor Octane Number (MON) in compliance with ASTM D2699 and D2700 standards.

Understanding the Importance of Octane Ratings

Octane ratings are critical indicators of a fuel's ability to resist engine knocking—a phenomenon where fuel combusts prematurely, potentially causing engine damage. RON and MON are two standardized methods to evaluate this resistance under varying conditions. RON measures performance under mild conditions, while MON assesses it under more severe conditions .

Key Features of the K90901 Unit Dual Testing Capability: Seamlessly switch between RON and MON testing without changing the flywheel, thanks to the dual-speed motor design .

User-Friendly Interface: The professional and clear design of the operating area simplifies octane rating operations, making data easy to read and record .

Automatic Functions: Enhanced documentation capabilities and auto-setting functions streamline procedures and improve testing efficiency .

Safety Measures: Equipped with a protective system and push-button switches to prevent improper operations .

Technical Specifications

Working Range: Up to 120 Octane Number .

Operating Conditions:

• Cylinder Jacket Coolant Temperature: 100 °C ± 1.5 °C
• Crankcase Oil Temperature: 57 °C ± 8.5 °C

MON Conditions:

• Engine Speed: 900 ± 9 rpm
• Intake Air Temperature: 38 °C ± 1 °C
• Intake Mixture Temperature: 149 °C ± 1 °C

RON Conditions:

• Engine Speed: 600 ± 6 rpm
• Intake Air Temperature: 52 °C ± 1 °C

Why Choose Koehler's K90901?

The K90901 unit is designed for laboratories and fuel testing facilities that demand precision, efficiency, and compliance with international standards. Its advanced features and user-centric design make it an indispensable tool for accurate octane rating assessments