The Comparator 3000 and Petroleum Oil Comparator (POC) (AF650) have now been replaced by one brand new design designated the Comparator 3000 / Petroleum AF650.

A series of single scale, 3-field instruments for visually determining the colour of samples by direct comparison with coloured glass filters. With a 3-section field of view, the sample and two consecutive glasses on the colour scale are viewed simultaneously, making it easier to achieve the optimum colour match. For rapid colour grading within predetermined colour limits, the glasses can be set to the two limiting colours, making it easy to see if the sample is within tolerance.

• Improved appearance and ergonomics
• Constructed from ABS (Acrylonitrile Butadiene Styrene) Fire Retardant Plastic. This robust, chemically resistant material is ideal for industrial environments.
• Single press of large switch illuminates sample for one minute (two presses = two minutes, three presses = three minutes). So no energy and bulb wastage
• Halogen, long life, light source combined with standard daylight filters ensures full compliance with former units and consistency from unit to unit
• Low voltage power supply
• Disk values read directly from disks√Disk can be simply, but securely, removed allowing replacement if necessary
• A new replaceable white insert is included with each instrument to ensure correct lighting levels are preserved
• Packs of 3 white insert replacements can be ordered when needed
• Fully removable sample chamber allows quick clean-up of inevitable spillages

Methods