5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums

Conductivity test range: 0 to10000uS/cm 10.01-19.99ms 20.1-400mS/CMResolution: 1uS/cm; 0.1mS/CMAccuracy: ±2% of readingTds test range: 0 to 1000ppm 1000ppm to 10000ppm 10.1 to 200.0pptResolution: 1ppm;; 0.1pptAccuracy: ±2% of readingSalinity measurement range: 0.00 to 25.00%Resolution: 0.01%Accuracy: 0.01-5.00% (±0.1%) 5.10-25.00% (±1%)pH test range: 0.01-14.00pHResolution: 0.01pH Accuracy: ±0.05pHTemperature compensation: automatic temperature compensation (ATC)Working environment: 0 to 60.0 ° C (32.0-140 ° F); RH 100%TDS factor: 0. 4to 1.0Temperature range: 0.1-60.0 °C 32.0-140 °FTemperature accuracy: ±0.5 °C Temperature resolution: 0.1 °C / °F Auto power off: 5 minutes Battery : 3x1.5LR44 (not included)Display size: 33*24mmDimensions and weight: 183*37*37mm (7.2*1.5*1.5in)/90g (3.2oz)

• EZ-9909 is a multi-function water pen product that can measure ph pH, tds solubility, ec conductivity, salinity and temperature. It is a waterproof water quality test pen with high performance, pen design and fast value. Stability and accurate calculation results.
• Waterproof rating: TP67 (can still be used when falling into the fish tank)
• Replaceable probe
• Automatic calibration