The EComparator series advances color measurement, enabling you to progress from Visual (subjective) to Electronic (objective) results. With the EC2000 series, you can now view the color difference with on-screen color and on-screen numerical display.
This ASTM D 1209 standard for Platinum Cobalt is also know as Hazen, APHA Color and True Color Units (TCU). All terms are interchangeable and equally valid.