Features:
1.Large LCD with multiple parameters display simultaneously
2. PH, Conductivity or Salinity or TDS, Dissolved oxygen & Temperature
3. Handheld fashion housing with IP67 waterproof design
4. Auto temperature compensation
5. Auto ranging for conductivity measurement
6. Multiple points calibration: 3 points for pH, 1point for D.O.,4 points for conductivity
7. Manually altitude/salinity compensation for D.O. measurement
8. 99 points memories w/ recall function
9. 1 hour auto power of