VTSYIQI Digital pH Meter Portable Water pH Analyzer with Calibration Liquids Range -2.000 to 20.000 pH Range -1999.9 to 1999.9 mV Accuracy ±0.2 mV USB Communication Interface Stores Up to 500 Data Sets Manual/Auto-read Measurement Endpoint

VTSYIQI Digital pH Meter Water pH Analyzer with Calibration Liquids Range -2.000 to 20.000 pH Range -1999.9 to 1999.9 mV Accuracy ±0.2 mV Auto-read Function USB Communication Interface Manual/Auto-read Measurement Endpoint

VTSYIQI Digital Pin Type Paper Moisture Meter Measuring Range 0 to 95% for measuring moisture content of paper materials

VTSYIQI Digital Polarimeter Automatic Polarimeter Touch Screen Polarimeter with Minimum Indicating Value 0.001° USB Interface Test Tubes 100mm / 200mm (Regular) Accuracy±(0.01+measuring value ×0.05%)°(Optical Rotation)

VTSYIQI Digital Polarimeter Automatic Polarimeter with Accuracy ±(0.01+Measuring Value×0.05%)°(Optical Rotation) ±(0.03+measuring value ×0.05%)°Z(Sugar) Sample Yransmittance 1% 5-inch LCD Display Repeatability ≤0.002°for Measuring Optical Rotation

VTSYIQI Digital Polarimeter Lab Automatic Polarimeter with Measurement Modes Optical Rotation Minimum Indicating Value 0.002°(Optical Rotation) Accuracy ±(0.01+Measuring Value×0.05%)°(Optical Rotation) for Measuring Optical Rotation

VTSYIQI Digital Polarimeter Laboratory Automatic Polarimeters with Measurement Range ±45°(Optical Rotation) Minimum Indicating Value 0.002°(Optical Rotation) Accuracy ±(0.01+measuring value×0.05%)°(Optical Rotation) Test Tube 100mm/200mm (Regular)

VTSYIQI Digital Polarimeter Multiparameter Polarimeter with Accuracy:±0.02° ±0.05°Z Measuring Range ±90° ±130°Z Resolution 0.005° Wavelength 589nm Temperature Range 0~100°C Temperature Accuracy ±0.5°C Test Tube 100/200mm 4 Measurement Modes

VTSYIQI Digital Polarimeter Touch Screen Multiparameter Polarimeter with Specific Rotation Concentration International Sugar Scale +/- 90 Degree 100mm 200mm Tube USB

VTSYIQI Digital Polarimeters Manual Polarimeter with 100mm 200mm Polarimeter Tube Optical Rotation Specific Rotation Concentration International Sugar Scale 90 Degree 110V Voltage

VTSYIQI Digital Polarimeters Touch Screen Multiparameter Polarimeter With Optical Rotation Specific Rotation Concentration International Sugar Scale +/- 90 Degree 100mm 200mm Polarimeter Tube USB Comm

VTSYIQI Digital Portable Paper Moisture Meter Moisture Meters for Paper with Measuring Range 0.00-2.00%(d) 0.0-98.0%(s) Digits LCD with Backlight Resolution 0.1 or 0.01