VTSYIQI Multi Parameter Water Quality Meter Portable PH/Conductivity Meter With Calibration Fluid Resolution 0.001 0.01 0.1 pH Selectable 1 to 5 Points Calibration  Automatic Temperature Compensation for Measuring pH mV Conductivity TDS Temp

VTSYIQI Portable Multi Parameter Water Quality Meter Portable Water Monitor with Standard Calibration Fluids Range -2.000 to 20.000 pH Resolution 0.001 0.01 0.1 pH Selectable USB Communication Interface Auto-Read Function Stores Up to 500 Data Sets

VTSYIQI Multiparameter Water Quality Meter Portable Multiparameter Water Quality Meter with Conductivity Standard Solutions Range -1999.9 to 1999.9 mV Range 0 to 20.00 200.0 2000 µS/cm 20.00 200.0 mS/cm for Measuring pH mV Conductivity TDS

VTSYIQI Multiparameter Water Quality Analyzer Portable PH/Conductivity Meter with Conductivity Standard Solutions Range -2.000 to 20.000 pH Resolution 0.001/0.01/0.1 pH Selectable Auto-read Function for Measuring pH mV Conductivity TDS Temp

VTSYIQI Multi-parameter Water Quality Analyzer Portable Water Quality Meter with Conductivity Standard Solutions 1 to 5 Points Calibration Range 0 to 20.00 200.0 2000 µS/cm 20.00 200.0 mS/cm for Measuring pH mV Conductivity TDS Temp

VTSYIQI Multi-parameter Water Quality Meter Portable Multi-parameter Water Quality Meter with Conductivity Standard Solutions Range -2.000 to 20.000 pH Manual/Auto-read Measurement Endpoint for Measuring pH mV Conductivity TDS Temp

VTSYIQI Portable PH/Conductivity Meter Multi Parameter Water Quality Meter with Conductivity Standard Solutions Accuracy ±0.002 pH Conductivity Range 0 to 20.00,200.0,2000 µS/cm,20.00,200.0 mS/cm for Measuring pH mV Conductivity TDS

VTSYIQI Multiparameter Water Quality Tester Portable Multi Parameter Water Quality Analyzer with Conductivity Standard Solutions Range -1999.9 to 1999.9 mV Automatic Temperature Compensation Auto-read Function Senses Stores Up to 500 Data Sets

VTSYIQI Water Quality Meter Portable PH/Conductivity Meter with Conductivity Standard Solutions Resolution 0.001 0.01 0.1 pH Selectable Accuracy ±0.002 pH Stores Up to 500 Data Sets Backlit LCD Display for Measuring pH mV Conductivity TDS

VTSYIQI Portable Multiparameter Water Quality Analyzer Water Quality Meter with Conductivity Solutions Accuracy ±0.002 pH Range -1999.9 to 1999.9 mV Manual/Auto-Read Measurement Endpoint USB Communication Interface for Measuring pH mV Conductivity TDS

VTSYIQI Multiparameter Water Quality Meter Portable Multi Parameter Water Quality Meter with Conductivity Solutions for Measuring pH,ORP,Conductivity,TDS,Salinity Resistivity Temp Resolution 0.001/0.01/0.1 pH Selectable USB Communication Interface

VTSYIQI Multi-Parameter Water Quality Analyzer Portable Multi Parameter Water Quality Meter with Conductivity Standard Solutions Accuracy ±0.002 pH for Measuring PH,Oxidation Reduction Potential,Conductivity,TDS,Salinity,Resistivity