HI93729-01 Fluoride LR – Reagents – 100 Tests

Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution

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 0.0 - 30.0 ppm | amino acid method | Resolution 0.1ppm

Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb