Diesel Fuel Ignition Quality Tester (IQT™)

The automated Ignition Quality Tester (IQT™), with patented air assisted fuel injection system, is a combustion-based analytical instrument, which enables the determination of the ignition quality of diesel fuels in a rapid, quiet and cost-effective manner. The ignition delay and derived cetane number of diesel and alternative fuels (including cetane improved diesel fuels) can be efficiently and accurately measured, in a matter of minutes. Based on the Southwest Research Institute (SwRI) constant volume combustion apparatus (CVCA) technology, the IQT™ also has the potential for use in refinery on-line operations. The IQT™ is CE and Canadian Standards Association (CSA) approved (CSA Special Acceptance Program, electrical equipment).

  • Specifications
  • Test Methods
  • Downloads
  • In Action
  • Base Unit Dimensions: 56 cm (22 in) H X 74 cm (29 in) W X 36 cm (14 in) D.
  • Base Unit Weight: Approx. 68 kg (150 lbs)
  • Small sample size: less than 100 mL
  • Air Supply: Compressed air, 20.9 % O2 ±1.0 % Regulated minimum: 21.7 bar (310 psi) – Combustion process 12.1 bar (175 psi) – Injection process
  • Electrical specifications: 120/220 VAC, 60 Hz or 220 VAC, 50 Hz Protected by an Uninterruptible Power Supply (UPS)
  • Available Test Methods Direct measurement alternative to the cetane engine, as per ASTM fuel specification test methods D 6890 and IP 498 Test method specified in Diesel Fuel Specifications: ASTM D975, EN590, ASTM D6751, ASTM D7467, CAN/CGSB – 3.517 – 2000, CAN/CGSB – 3.6 – 2000
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