Hach, 2518025, Ozone Accuvac, 0.01-1.5 mg/L O₃

Hach Ozone AccuVac® Ampules are designed for accurate ozone testing in drinking water, food, and bottling/beverage industries. The Indigo Method according to ASTM 4500-O3 B is selective and perfect for water purification monitoring.
Hach method 8311. Range: 0.01 - 0.25 mg/L O₃.
Pack of 25 ampules.
Reliable
Works according to ASTM 4500-O3 B - uses the indigo reagent. Chlorine interference is masked by malonic acid.
Accurate
High sensitivity using 1-inch diameter vials - no transfer of sample is needed which eliminates ozone loss due to sampling.
Fast & Easy
Snap, fill, and read—no further sample or reagent handling needed. The evacuated ampules draw in the correct sample volume, so anyone can obtain reliable results with minimal effort.
Portable
Ampules serve as both reagent containers and measurement cells, ideal for testing anywhere.