MESA-7220*

Measurement of Sulfur and Chlorine in Petroleum Products

The MESA-7220 is based on the latest advances in Energy Dispersive X-ray Fluorescence (EDXRF) technology. It utilizes a proprietary X-ray optical technology and produces a polarized, monochromatic X-ray source. This approach is critical for a user to achieve an ultra low noise background for the best limits of detection for sulfur and chlorine. This provides excellent performance at high concentration (multiple wt.% levels), simultaneous multi-element analysis and applicability over a wide range of sample types, and excellent low ppm capabilities.

*Available in the Americas. For additional information, please contact us.

Segment: Scientific
Manufacturing Company: Olympus Innov-X

• Simultaneous elemental analysis.
• One calibration – for multiple petroleum matrices over a wide dynamic range.
• Dynamic Analysis Range: Sulfur: 0.7 mg/kg – 10.0 wt% and Chlorine: 0.6 mg/kg – 10.0 wt%
• Various sample types including liquids, solids,pastes, powders, films, and pellets.
• No purge or combustion gases required.
• Correction for oxygen interference that can effect sulfur results significantly in other analyzers.
• User defined measurement times (90 - 600 seconds.)
• Single digit ppm repeatability achieved on low level samples.
• Multiple Calibration Curve capability with easy storage and retrieval for matrix matching.
• Rugged, user serviceable Kapton Windows.
• Multiple external outputs: Printer, serial I/O, USB (2) and network (RJ-45), (2 USB ports, side and back. PS2 connects, ports for mouse and keyboard,ethernet connections.)
• Accurately measures sulfur and chlorine in the presence of moisture.

X-ray TubePelletier-cooled, Ag anode X-ray tube; 0-12.5kV; 0-2mA
Polarizing Mono-chromaterClosed-coupled, doubly curved HOPG crystal reflects Ag Ka radiation for optimal excitation of S and Cl.
Si drift DetectorStable peak positions and spectral resolution (<150 eV) up to an input count rate of 200 kcps.
Dynamic Range1.0 mg/kg - 10% (wt/wt) - (1 ppm - 100,000 ppm). The sample chamber is under vacuum to enhance sensitivity.
Vacuum Chamber WindowUser replaceable 7.5 mm Kapton window. The detector is also protected by a replaceable safety window between it and the sample cup window.
Sample volume5 mL
Included Accessories and Options

• Printer

• Keyboard and mouse

Software• Create unlimited number of calibrations.
• On screen diagnostics of all operating parameters.
• An intuitive touch screen based, user interface.
• Ability to easily add new functionality.
Operating Requirements

• Nominal input voltage: 120-240 V +/- 10%AC, 50/60Hz, 125W
• Ambient operation temperature: -25˚ C to 40˚ C
• Relative humidity at 25˚ C (77˚F): 0 to 95%

Computer

• Simple, touch screen interface with a sealed, field-hardened 8.4” screen (800 x 600 px)
• Password protected, keyboard driven interface for supervisor setup.
• Direct web customer support capability.
• Powerful Pentium processor, embedded Windows OS
• 480 GB hard drive and 500 MB of RAM.
• Multiple USB port connectivity for a mouse and keyboard.

Weight21kg (45 lbs.)
Dimensions

330 mm (Width) x 508 mm (Depth) x 413 mm (Height)

(13 x 20 x 16.25 inches)

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