VTSYIQI Portable pH Meter Temperature Meter with Calibration Liquids Range -2.000 to 20.000 pH Range -1999.9 to 1999.9 mV Resolution 0.1/1 mV Selectable Accuracy ±0.2 mV Auto-read Function USB Communication Interface USB Communication Interface

VTSYIQI Portable pH Meter Portable pH Gauge Tester with Standard Calibration Solution Range -2.000 to 20.000 pH Resolution 0.001/0.01/0.1 pH Selectable Accuracy ±0.002 pH Range -1999.9 to 1999.9 mV USB Communication Interface

Portable pH Meters Portable pH and Temperature Meter with Calibration Liquids Range -2.000 to 20.000 pH Accuracy ±0.2 mV Stores Up to 500 Data Sets Setup Menu Contains 9 Options Manual/Auto-read Measurement Endpoint

VTSYIQI Lab pH Meter Digital Water pH Analyzer with Standard Calibration Solution Range -1999.9 to 1999.9 mV Stores Up to 500 Data Sets Setup Menu Contains 9 Options 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 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 Lab Benchtop pH Meter with 5 Points Calibration 500 Sets Data Storage PH Buffer Powder mV Measuring Range -2000~2000mV pH Measuring Range -2.00～20.000pH Automatic/Manual Temperature Compensation 6-inch LCD Display

VTSYIQI Laboratory Benchtop pH Meter with 5 Points Calibration Automatic/Manual Temperature Compensation PH Buffer Powder mV Measuring Range -2000~2000mV pH Measuring Range -2.00～20.000pH Movable Bracket Auto-Shut Off Function

VTSYIQI Digital Benchtop pH Meter with PH Buffer Powder mV Measuring Range -2000~2000mV Movable Bracket 5 Points Calibration 500 Sets Data Storage 6-inch LCD Display Auto-Shut Off Function Automatic/Manual Temperature Compensation

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

VTSYIQI Benchtop PH Meter for Acidity with PH Buffer Powder mV Measuring Range -2000~2000mV Resolutin 0.01mV pH Measuring Range -2.00～20.000pH Resolutin 0.001pH Automatic/Manual Temperature Compensation 5 Points Calibration 500 Sets Data Storage

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