VTSYIQI Multi Mode Ultrasonic Thickness Gauge Coating Paint Thickness Meter with 0.65 to 600mm 0.025 to 23.62inch 3-30mm 0.118 to 1.181inch P-E and E-E Echo-Echo Mode Single Point Mode

VTSYIQI Multi Mode Ultrasonic Thickness Gauge Digital Wall Thickness Measurement Tool with Pulse-Echo Echo-Echo 0.65 to 600mm 0.025 to 23.62inch 3-30mm 0.118 to 1.181inch P-E and E-E Mode

VTSYIQI Multi Mode Ultrasonic Thickness Gauge Meter Tester with 0.025 to 23.62inch 0.65 to 600mm P-E 3 to 30mm E-E Through Paint and Coatings

VTSYIQI Multi Parameter Water Quality Analyzer Benchtop Lab Water Quality Meter with Conductivity Standard Solutions Range -2.000 to 20.000 pH Stores Up to 500 Data Sets for Measuring pH mV ORP Ion Concentration Conductivity TDS Salinity Resistivity DO

VTSYIQI Multi Parameter Water Quality Analyzer Benchtop Multiparameter Water Quality Analyzer with Conductivity Standard Solutions Range 0 to 20.00,200.0,2000 µS/cm,20.00,200.0 mS/cm for Measuring Conductivity TDS Salinity Resistivity DO Temp

VTSYIQI Multi Parameter Water Quality Analyzer Benchtop Water Quality Meter with Conductivity Standard Solutions Dissolved Oxygen Range 0.00 to 20.00 mg/L/0.0 to 200.0% Saturation Stores Up to 500 Data Sets for Measuring pH mV ORP Dissolved Oxygen

VTSYIQI Multi Parameter Water Quality Analyzer Meter Tester with Standard Calibration Fluids Range -2.000 to 20.000 pH Resolution 0.001/0.01/0.1 pH Selectable Automatic Temperature Compensation Backlit LCD Display Manual/Auto-Read Measurement Endpoint

VTSYIQI Multi Parameter Water Quality Analyzer Portable Multiparameter Water Quality Analyzer with Conductivity Standard Solutions Resistivity Range 0.00 to 20.00 MΩ Accuracy ±1% F.S. for Measuring Conductivity TDS Salinity Resistivity Dissolved Oxygen

VTSYIQI Multi Parameter Water Quality Analyzer Portable Multiparameter Water Quality Analyzer with Conductivity Standard Solutions TDS Range 0 to 10.00 100.0 1000 ppm 10.00 200.0 ppt Resistivity Rangen0.00 to 20.00 MΩ USB Communication Interface

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

VTSYIQI Multi Parameter Water Quality Analyzer Portable Water Quality Meter with Conductivity Standard Solutions Range -1999.9 to 1999.9 mV Resolution 0.1/1 mV Selectable Accuracy ±0.2 mV Automatic Temperature Compensation

VTSYIQI Multi Parameter Water Quality Analyzer Water Quality Meter with Conductivity Standard Solutions Range 0 to 20.00,200.0,2000 µS/cm,20.00,200.0 mS/cm Accuracy ±0.5% F.S. for Measuring pH mV Conductivity TDS Temp