Conforms to ASTM D2699 & D2700

• Working range of 40-120 Octane Number
• Motor Octane Number
• Engine Speed: 900 ± 9 rpm
• Intake Air: 38°C ± 1°C
• Intake Mixture: 149°C ± 1°C
• Research Octane Number
• Engine Speed: 600 ± 6 rpm
• Intake Air: 52°C ± 1°C

The Combination Octane Rating Unit Engine is a state of the art piece of equipment for measuring the octane number of various samples. The instrument features several easy to use features including automatic functions and enhanced documentation capabilities.