The Industrial Test Systems 486812 cyanide micro-test strips have a 0.00 to 1.90ppm detection range and are used with the Industrial Test Systems 638mm eXact photometer (sold separately). The set includes a bottle of 50 test strips and reagent.
Industrial Test Systems manufactures water quality testing equipment for water treatment, food and beverage, pool and spa, educational, and medical industries. The company, founded in 1989, is headquartered in Rock Hill, SC.