HI937520-01 Magnesium – Reagents -50 Tests

Range 0:00 to 7:00 g / L | Photometric Method | Resolution 0.01g / L

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

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