ASTM D8253-21 Asphaltene Solvency Analysis Microscope

The reflected light metallurgical M40 microscope is configured to be used for determining the asphaltene solvency properties of petroleum materials such as bitumen and crude oil to meet the criteria for the standard test method ASTM D8253-21. The microscope configuration includes the following:

• Objective Lenses: Objectives are mounted in reversed quintuple nosepiece. DIN Infinity Corrected Optical System (ICOS) Plan Achromat Metallurgical objectives include:
  • LWD 5x, WD = 10.8mm, NA 0.15
  • LWD 10x, WD = 12.2mm, NA 0.30
  • LWD 20x, WD = 4mm, NA 0.45
• Viewing Head: 30° inclined gemel trinocular viewing head with interpupillary adjustment of 54mm - 75mm. Diopters +/-5 on each eyetube. Beam splitter provides light of 100:0 or 50:50. Includes 0.5x camera mount.
• Eyepieces: High eyepoint widefield plan 10x eyepieces F.N. 22 are standard and accept a 26mm reticle.
• Total Magnification: 50x, 100x, 200x
• Specimen Stage: Double layer mechanical 175mm x 145mm stage with coaxial adjustment movement range of 76mm (X) x 42mm (Y). Includes metal plate.
• Illumination: Reflected Koehler illumination 5w LED, with oblique light device, centerable and adjustable field and aperture diaphragm, warm color. Voltage 100~240V. Includes 360° rotatable analyzer, and polarizer for reflected light. Reflected illuminator arm includes filter slots for colored sliders (sold separately).
• Focusing: Reflected frame has coaxial focus system with tension adjustment and rack stop. Coarse range 28mm, fine precision of 0.002mm. Maximum sample height is 78mm.
• Camera: Includes an 8 mp, USB3.0, HD digital camera. Camera specifications may be found here.
• Size: 9.8" (250mm) W x 19.7" (500mm) D x 18.6" (472mm) H
• Warranty: 5 Years on microscope, 2 years for camera.
• View the M40 Microscope Manual.
• View the M40 Metallurgical Microscope Brochure.