The CHEMetrics® CHEMets® Dissolved Oxygen Comparator (C-7512) is a precision visual reference tool used to interpret colorimetric results from CHEMets® test kits. Specifically designed for use with the K-7512 Dissolved Oxygen CHEMets® Visual Test Kit and the R-7512 Refill, this flat comparator displays a clear, blue color gradient corresponding to oxygen concentrations from 1 to 12 ppm (mg/L).

Ideal for a range of industrial and environmental applications, the comparator enables rapid and reliable dissolved oxygen analysis by providing an easy-to-read reference for test results.

Product Highlights:

• Accurate Color Matching: Designed for visual comparison of dissolved oxygen levels from 1–12 mg/L


• Compatible Design: Used with R-7512 Refill and K-7512 Visual Test Kit


• Wide Application: Suitable for various industrial, process control, and environmental testing needs


• Flat Style: Compact, durable format for easy handling in the field or lab


• Blue Color Standards: Clear gradient for precise interpretation of results