Palintest’s handheld Chlorometer Duo provides quick, accurate chlorine test results with the option for high-range (HR) testing. It conducts tests in laboratory, treatment plant and field applications using a proven DPD method in conjunction with a photometric analyzer. The waterproof (IP 67-rated) unit can test for free and total chlorine levels from 0.01 to five mg/L with an HR selection for ranges from one to 250 mg/L. Its energy-efficient design runs on two AA batteries, providing up to 5,000 readings before requiring replacement. A convenient case stores reagents and test tubes together. http://www.palintestusa.com, (800) 835-9629