Combo Water Tester

•     Large LCD with multiple parameters display simultaneously:
•     PH, Conductivity or Salinity, Dissolved oxygen & Temperature
•     Handheld fashion housing with IP67 waterproof design
•     Auto temperature compensation
•     Auto ranging for conductivity measurement
•     Multiple points calibration: 3 points for pH, 1point for D.O.,4 points for conductivity
•     Manually altitude/salinity compensation for D.O. measurement
•     99 points memories w/ recall function
•     1 hour auto power off