YSI pHotoFlex pH Colorimeter free chlorine With its unique Photo-ionization Detector

With its unique Photo-ionization Detector (PID) and UV lamp technology

making it easier to maintain safety records and compliance

durable notebook is designed to withstand the harshest elements

Auto-calibration feature simplifies calibration of pH

YSI pHotoFlex pH Colorimeter free chlorine With its unique Photo-ionization DetectorLED filter colorimeter with 6 wavelengths, 38 pre defined tests, 100 user defined tests, and 1,000 data set memory. Includes a BNC connector for direct pH probe measurement. Rugged, waterproof (IP 67) design for lab or field water testing. Reagents can be used on YSI colorimeters or other brands.