X-ray Fluorescence Sulfur/Chlorine-in-oil Analyzer
The MESA-7220V2 measures both sulfur and chlorine in petroleum based products using the Monochromatic Energy Dispersive X-ray Fluorescence (EDXRF) method. A monochromatic X-ray source is used in order to obtain an ultra-low noise background which affords the best detection limits for both sulfur and chlorine.
The detector window size was increased to collect more fluorescent X-rays and thus achieve lower level ppm values. This provides excellent, repeatable performance at both low and high concentrations of both elements.
By adjusting the angle of the graphite crystal, the excitation beam can be measured to excite sulfur in the sample, increasing sensitivity.
To read more on the background of the MESA-7220V2, click here.
Dynamic Analysis Range
Sulfur: 0.7 ppm - 10.0Wt%
Chlorine: 0.6 ppm - 10.0Wt%
• Auto Ranging for extended curves.
• No purge gases required.
• Maximum 60 calibration curves and 300 data points per curve.
• Calibration curves can be edited after they have been saved.
• Measurement times from 30 – 999 sec.
• Measurement repeats from 1 – 99 times.
• Oxygen correction feature eliminates interference which can affect Sulfur readings.
• Various sample types* [Solids, Liquids, Powders, Pastes, Pellets, and Films] can be measured.
• Can program up to 20 Admin & User accounts.
• User replaceable Kapton window.
• Micrometer adjustment of graphite crystal angle for better sensitivity.
• Stand-alone PC to allow software updates electronically.
• Built-in interlocks to protect end-user from X-rays.
• Silicon Drift Detector/X-ray Beryllium Window.
Principle | X-ray Fluorescence analysis (Monochromatic EDXRF) |
Sample | Petroleum products |
Elements to Measure | Sulfur (S) and Chlorine (Cl) |
Measurement Range | 0.00 – 100,000 ppm |
Detection Limit | S: 0.7 ppm Cl: 0.6 ppm |
Sample Volume | 7 – 10 ml for each sample cell |
Sample Chamber | Atmospheric Conditions |
X-ray Tube | Ag Target |
Detector | Silicone Drift Detector (SDD) Energy resolution at Mn-Kα ≤ 175 eV |
Vacuum Level | ≤ 4 kPa, Diaphragm Pump |
Conformity Standards | ASTM D7220 / D4294 / D4929C ISO 8754 / 13032 / 20847 |
Model | CT-S4000 made by CITIZEN |
Paper / Paper Width | Line thermal printer (External) / 112mm / 4.4 inch |
CPU | Intel Core i5-8500 or faster |
OS | Microsoft Windows 10 Pro, 64 bit, English (US) |
Memory | 4GB or more |
Storage | 1TB or more |
Resolution | Full HD (1920 x 1080) |
Panel size | 17 - 23 inch |
Width | 11.69 inches (297 mm) |
Depth | 16.54 inches (420 mm) |
Height (Closed) | 16.54 inches (420 mm) |
Height (Open) | 29.49 inches (749 mm) |
Mass | 32 kg / 70.55 lb (PC, display monitor, and printer are not included) |
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