VTSYIQI Benchtop pH Meter Labrorary pH Meter with ORP Range -1999.9 to 1999.9 mV Resolution 0.1/1 mV Selectable Accuracy ±0.2 mV pH Range -2.000 to 20.000 pH Auto-read Function USB Communication Interface TP-10K Temperature Probe

VTSYIQI Benchtop pH Meter Labrorary pH/mV Meter with Range -1.00 to 15.00 pH Resolution 0.01 pH Accuracy ±0.01 pH Range -1999 to 1999 mV Resolution 1 mV Accuracy ±1 mV Manual/Auto-read Measurement Endpoint 1 to 3 Points Calibration

VTSYIQI Benchtop PH Meter PH Tester with PH Buffer Powder mV Measuring Range -1800～1800mV pH Measuring Range 0.00～14.00pH 2 Points Calibration Manual Temperature Compensation Function Simple Bracket Instrument Level 0.02 4-inch LCD Display

VTSYIQI Benchtop PH Meter Tester with 3 Points Calibration 6-inch LCD Display PH Buffer Powder mV Measuring Range -1999～1999mV pH Measuring Range -2.00～18.00pH Movable Bracket Auto-Shut Off Function 50 Sets Data Storage

VTSYIQI Benchtop PH Meter Tester With Data Storage 0.01 pH Accuracy Auto Calibration pH Temp Electrode

VTSYIQI Benchtop PH Meter with Automatic/Manual Temperature Compensation PH Buffer Powder 3 Points Calibration 50 Sets Data Storage mV Measuring Range -1999～1999mV pH Measuring Range -2.00～18.00pH Auto-Shut Off Function Movable Bracket

VTSYIQI Benchtop PH Meter with PH Buffer Powder 3 Points Calibration 50 Sets Data Storage mV Measuring Range -1999～1999mV pH Measuring Range -2.00～18.00pH Movable Bracket Auto-Shut Off Function 6-inch LCD Display

VTSYIQI Benchtop PH Meter with PH Buffer Powder 5 Points Calibration 500 Sets Data Storage mV Measuring Range -2000~2000mV pH Measuring Range -2.00～20.000pH Instrument Level 0.001 Automatic/Manual Temperature Compensation

VTSYIQI Benchtop PH Tester Meter for Measure The pH Value of Sample Solution with PH Buffer Powder 2 Points Calibration mV Measuring Range -1599～1599mV pH Measuring Range 0.00～14.00pH 4-inch LCD Display Manual Temperature Compensation

VTSYIQI Benchtop PH Tester with PH Buffer Powder 2 Points Calibration mV Measuring Range -1800～1800mV Indication Error ±0.1%FS pH Measuring Range 0.00～14.00pH Indication Error ±0.01pH for Measuring Mode Measure The pH Value of Sample Solution

VTSYIQI Benchtop PH Tester with PH Buffer Powder 3 Points Calibration mV Measuring Range -1999～1999mV Resolutin 1mV Indication Error ±0.1%FS pH Measuring Range -2.00～18.00pH Resolutin 0.01pH Indication Error ±0.01pH 50 Sets Data Storage Movable Bracket

VTSYIQI Benchtop PH Tester with PH Buffer Powder mV Measuring Range -2000~2000mV pH Measuring Range -2.00～20.000pH 5 Points Calibration Automatic/Manual Temperature Compensation 500 Sets Data Storage Movable Bracket