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Analytical Ferrograph

The complete package for monitoring in-wear debris that lets you understand wear, how serious it is, and what led to it.

Ferrography has become one of the leading predictive maintenance and analytical tools today. LogicOil’s Analytical Ferrograph is a complete analytical system for the separation and interpretation of wear and contaminant particles in used lubricant oils, hydraulic fluids, coolants, and fuels.

Utilising thistle liquid lines, the oil sample falls down under its own weight reaching the ferrogram surface where particles are separated on the ferrogram surface. The microscope is then used to examine the ferrograms.

Equipped with both reflected (red) and transmitted (green) light sources to illuminate the ferrogram from both above and below, metal particles which reflect light appear bright red and nonmetallic particles appear green.

Through analytical ferrography wear debris analysis, we are able to interpret basic information about where the wear is, how serious it may be and what may have lead to the abrasive wear.

Application

  • ASTM D7684 Standard Guide for Microscopic Characterization of Particles from In-Service Lubricants.
  • ASTM D7690 Standard Practice for Microscopic Characterization of Particles from In-Service Lubricants by Analytical Ferrography”.
  • Ferrography assists in the diagnosis of the origin, characteristics, and distribution of wear particle debris.
  • Efficient separation of wear and contaminant particles from fluid samples.
  • Rapid preparation of ferrogram.
  • No deformation of particles.
  • Separates particles up to 800µmin size.
  • Easy to operate.

Application

The LogicOil Analytical Ferrograph system can be applied to monitor the oil quality and temperature of lubricating oil, hydraulic oil, gear oil, engine oil, fuel oil, insulating oil, turbine oil, synthetic ester and various other kinds of light and heavy oil.

The LogicOil Analytical Ferrograph is ideal for use as a research tool for tribology and wear analysis in universities, oil analysis lab, and scientific research institutes.

Ferrographic Microscope

Objective Lenses
DIN Infinity Corrected Optical System (ICOS) Plan Epi 5x, 10x, 20x and 50x mounted in smooth-operating, ball bearing mounted, quintuple nosepiece.

Viewing Head
Siedentopf-type trinocular head for camera integration. The eyetubes are inclined at 30° with the left eyetube having graduated diopter settings. The interpupillary distance is adjustable between 53mm – 75mm. An 80/20 beamsplitter for the trinocular tube can be engaged for photo work. (100% to eyetubes or 80% to phototube & 20% to the eyetube.) 30mm ID eyetube.

Eyepieces
SWH10x Widefield High Eyepoint eyepieces F.N. 22 are standard with a 25mm reticle mount. 15x and 20x eyepieces are available as an option. Also available – Widefield High Eyepoint 10x focusable eyepiece that accept 25mm reticles.

Total Magnification
50x, 100x, 200x and 500x.

Ferrography Filters
Red filter for vertical illuminator, polarizing filter and green glass filter.

Camera
Microscope package includes c-mount adapter and 3 mega pixel CMOS microscope camera with software. The software allows you to capture and save images as well as make measurements.

Illumination
Vertical full Koehler illuminator with high intensity 6V 30 Watt halogen light source for brightfield and polarization techniques. Automatic voltage (100v~240v) sensing transformer with intensity control supplied in separate case. The following filters are supplied in mounts: blue clear, green clear, polarizing and neutral density (ND 50). Red filter is utilized in vertical illuminator for ferrography. Transmitted Koehler illuminator with 6v, 30w halogen lamp built into base. Includes automatic voltage (100v~240v) sensing transformer and intensity control built into the microscope base.

Focusing
Ergonomically low positioned coaxial focusing controls allow the operator to work with their forearms relaxed on the working surface. Range of travel is 23mm. Rotation of fine focus is 0.2mm per revolution.

Size & Weight
Microscope: 424.5mm (16.7″)D x 526mm (20.7″)H x 210mm (8.3″)W, 9.7kg (21.4 lbs)