Free active chlorine paper measuring strips for quickly determining the hypochlorous acid content in chlorine-based disinfectants
Application or measurement Free chlorine:
- Immerse the test strip in the water sample for 2 seconds.
- Remove and compare with the color table after 30 seconds.
Spectrum: 50, 100, 150, 250, 500, 1000, 2000 ppm (mg/l)
Test time: approx. 3 seconds