Manufacturer of water analysis products. The 7100 and 7500 Photometric instruments are field portable and waterproof. Reagents are available for over 60 different chemicals analyzed. New ranges of inexpensive and simple to use analyzers for lead, free and total chlorine, chlorine dioxide have been developed. The SA 1100 Scanning Analyzer detects lead with a detection limit of 2 ppb and is US EPA approved. The US EPA approved ChloroSense utilizes sensor technology that measures free chlorine (0.02 to 10.00 mg/l) & total chlorine (0.1 to 75.0 mg/l) plus temperature. Difficult to analyze Chlorine Dioxide is made simple with the ChlorodioXense that utilizes similar reagent free technology.