HI93721-01 Iron HR – Reagents -100 Tests

Range 0 - 500 PCU | Platinum Cobalt method | Resolution 5 PCU

Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb

Range 0.0 - 8.0 ppm | DPD method | Resolution 0.1ppm

The HI 771 Checker®HC is a simple, accurate, and cost effective way to measure ultra-high ranges of chlorine. Designed as a more accurate alternative to chemical test kits, the HI 771 provides quick, accurate results in four easy steps.