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Feature: Multi-Functional Water Quality Test Pen, Which Can Measure Ph Ph, Solubility, Ec Conductivity, Salinity And Temperature. (Sea Salt/Fresh Water Salt) It Is A Waterproof Water Quality Test Pen With Five Functions. It Has High Performance, Pen Design And Fast Numerical Value. Parameters: Sea Salt: Sea Water Salinity Is The Ratio Of Total Dissolved Solids To The Weight Of Sea Salt In Sea Water, Usually Expressed In Grams Per Kilogram Of Sea Water. (Measuring Range 10.1-200.0Ppt) Light Salt: Light Water With A Salt Content Of Less Than 0.5G/L (Measuring Range: 0.00-25.00% Accuracy: 0.01-5.00% 5.10-25.00%) Specification: Conductivity Test Range: 0 To10000us/Cm, 10.01-19.99Ms, 20.1-400Ms/Cm Resolution: 1Us/Cm 0.1Ms/Cm Accuracy: A±2% Of Reading Test Range: 0 To 1000Ppm, 1000Ppm To 10000Ppm, 10.1 To 200.0Ppt Resolution: 1Ppm 0.1Ppt Accuracy: A±2% Of Reading Salinity (Salinity) Measuring Range: 0.00 To 25.00% Resolution: 0.01% Accuracy: 0.01-5.00% (A±0.1%), 5.10-25.00% (A±1%) Ph Test Range: 0.01-14.00Ph Resolution: 0.01Ph Accuracy: A±0.05Ph Temperature Compensation: Automatic Temperature Compensation (Atc) Working Environment: 0 To 60.0A°C (32.0-140 Degrees Fahrenheit) Rh 100% Factor: 0.4 To 1.0 Temperature Range: 0.1-60.0A°C 32.0-140 Degrees Fahrenheit Temperature Accuracy: A±0.5Degrees Celsius Temperature Resolution: 0.1Degrees Celsius/Degrees Fahrenheit Auto Power Off: 5 Minutes 3X1.5Lr44 Display Size: About 3324Mm Display: Support Backlight Waterproof Rating: Ip67 Power Consumption: 2.9 Ma, Power Consumption At Shutdown Is 0. The Accuracy Within 150Ppt Is More Accurate, The Deviation Above 160Ppt Is Larger. Package Included: 1Water Quality Monitor(Without Battery) Notes:

1. Every Time You Use It, You Must Clean The Electrode.
2. Please Allow Minor Errors Due