IQT®-XLM
The CFR IQT-XLM is the next-generation model of IQT. It provides the capabilities of the traditional IQT-LM and the IQT-TALM models (plus additional benefits) in a single compact, benchtop package.
The Ignition Quality Tester (IQT) has been widely trusted for cetane measurements by refineries and testing laboratories worldwide. Global diesel fuel standards recognize the IQT for the determination and certification of the ignition quality of diesel fuel.
Injection of diesel fuel into a heated, Constant Volume Combustion Chamber (CVCC) generates a Derived Cetane Number (DCN) used to certify to the cetane number specification of the standard.
The IQT is the only CVCC instrument that is a referee certification method for a fuel standard (the EN 15940 paraffinic diesel specification).
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The Ignition Quality Tester (IQT) has been widely trusted for cetane measurements by refineries and testing laboratories worldwide. Global diesel fuel standards recognize the IQT for the determination and certification of the ignition quality of diesel fuel.
Injection of diesel fuel into a heated, Constant Volume Combustion Chamber (CVCC) generates a Derived Cetane Number (DCN) used to certify to the cetane number specification of the standard.
The IQT is the only CVCC instrument that is a referee certification method for a fuel standard (the EN 15940 paraffinic diesel specification).
Download Product Details
The IQT®-XLM unit is specified equipment for testing fuels according to:
ASTM D6890:
Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber
IP 498:
Liquid Petroleum Products - Determination of ignition delay and derived cetane number (DCN) of middle distillate fuels by combustion in a constant volume chamber
EN ISO 15195:
Liquid Petroleum Products - Determination of ignition delay and derived cetane number (DCN) of middle distillate fuels by combustion in a constant volume chamber
Features & Benefits
Rapid test results, less than 20 minutes per sample.
Low Sample Volume, 35 ml for cleaning, 30 ml for a test run.
Touchscreen-compatible user interface with multi-language capability.
Suitable for wide-ranging matrix testing such as light to medium Petroleum distillates, conventional diesel, Bio Diesels, HVO, Diesel fuel blending components, or alternatives and next-generation renewable diesel fuels, and Sustainable Aviation Fuels (SAF).
Automated control of injection nozzle and combustion sensor temperatures is standard equipment.
Simplified exhaust ventilation requirements.
Electrical Connection: 20A,208-240 VAC, 50/60Hz integral cooling system with built-in Uninterruptible Power Supply (UPS): > 3.5 hrs of run time for the cooling system and computer.
Improved Precision with HP-FIS Technology. Introducing the groundbreaking patent-pending fuel injection system: The High Precision Fuel Injection System (HP-FIS) from IQT. It boldly leverages advances in injection technology to deliver the unmatched results and precision expected of today’s instruments.
IQT®-XLM Details
Standard IQT®-XLM System Inclusions:
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Suitable for 50 Hz and 60 Hz electrical supplies
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Automated control of injection nozzle and combustion sensor temperature (formerly requiring the TALM option) is standard equipment
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Electronic or mechanical pressure regulation system for compressed air and nitrogen
| Approved Reporting Range | 31.5 to 75.1 DCN (working range of ASTM D6890 per ASTM D6300) 30.4 to 78.9 DCN (applicability of ASTM D6890 precision functions per ASTM D6300) 33.9 to 76.8 DCN (scope of EN 15195/IP498 per ISO 4259) 31.99 to 81.15 (range of valid results of EN 15195/IP498 per ISO 4259) |
| International Fuel Specifications / Types Approved for Cetane Measurement | ASTM D975 (petroleum diesel), ASTM D6751 (biodiesel) ASTM D7467 (petroleum diesel/biodiesel blends) CARB diesel EN 590 (petroleum diesel) EN15940* (renewable diesel and GTL) ASTM D4054* (turbine fuel) MIL/DTL 83133K* (aviation kerosene) *test method to be used in case of dispute (referee method) |
| Warmup Time | Approximately 30 minutes to reach operating temperature from room temperature (Instrument may be left at operating temperature 24/7 if desired) |
| Test Time Per Sample | Approximately 17 minutes (includes 15 warmup injections and 32 injections for analysis) |
| Reported Test Result | Average ignition delay and DCN values of final 32 injections |
| Test Result Data Base | All test reports and sensor data recorded and stored during the lifetime of the instrument |
| Sample Volume | 35 mL for cleaning, 30 mL for test run |
| Compressed Gas Requirements | Compressed air (19.9-21.9% O2) at 21.7 bar (310 psi) Compressed air at 12.1 bar (175 psi) Compressed nitrogen at 3.5 bar (50 psi) Complete gas pressure regulation system included with instrument |
| Reference Materials | n-heptane 99.5%, octane engine grade (calibration reference material, check standard) Methylcyclohexane 99% (verification material) Reference diesel fuel (quality control sample) |
| Test Sample Vessels | Removable stainless steel fuel reservoirs (26 mL, 55 mL, or 95 mL) |
| Electrical Connection | 20A, 208-240 VAC, 50/60 Hz |
| Operating Conditions | Ambient temperature: 18 to 32° C, exhaust system ventilation: ~100 cfm |
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Approximately 66.8 cm (26.3 in) H x 118.1 cm (46.5 in) W x 56.4 cm (22.2 in) D, approximately 170 kg (375 lbs)
Eager to learn more about the IQT®-XLM?
The CFR IQT Training Academy offers a variety of hands-on courses to enhance your skills.
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