HI93700-01 Ammonia LR – Reagents – 100 Tests

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.

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

Range 0 - 20 ppm | ESPA method | Resolution 0.1ppm

Range 0.0 - 15 ppm | Molybdenum Blue Method | 0.1ppm resolution