VTSYIQI Lab Na Ion Meter Sodium Ion Concentration Meter with 2 to 5 Points Calibration -1999.9 to 1999.9 mV Calibration Fluid Range 0.002 to 69000ppm Accuracy ±0.5% F.S. Automatic Temperature Compensation Function

VTSYIQI Sodium Ion Meter with Calibration Fluid Range 0.002 to 69000 ppm and -1999.9 to 1999.9 mV Accuracy ±0.5% F.S. 2 to 5 Points Calibration USB Communication Interface Measurement Units ppm mg/L mol/L mmol/L

VTSYIQI Portable Sodium Ion Meters with Accuracy ±0.5% F.S. Calibration Fluid Range 0.002 to 69000 ppm and -1999.9 to 1999.9 mV 2 to 5 Points Calibration Automatic Electrode Diagnosis for Testing Na Ion

VTSYIQI Sodium Ion Meters Na Ion Concentration Meter Counter for Testing Sodium Ion with Calibration Fluid Range 0.002 to 69000 ppm Automatic Temperature Compensation Function Accuracy ±0.5% F.S.Resolution 0.001 0.01 0.1 1 Automatic

VTSYIQI Ammonia Ion Meter Portable Ammonia Ion Meter with Calibration Fluid Ion Concentrationr Range 0.01 to 17000 ppm Range ±1999.9 mV Accuracy ±1% F.S. 2 to 5 Points Calibration USB Communication Interface

VTSYIQI Ammonia Ion Meters NH3 Ion Concentration Detector NH3 Ion Counter with Accuracy ±1% F.S. Calibration Fluid Range 0.01 to 17000 ppm Range ±1999.9 mV 2 to 5 Points Calibration for Testing NH3 Ion

VTSYIQI NH3 Ion Concentration Meter Portable Ammonia Ion Meter with Range ±1999.9 mV Accuracy ±1% F.S. Calibration Fluid Ion Concentrationr Range 0.01 to 17000 ppm Backlit LCD Display 2 to 5 Point Calibration

VTSYIQI Portable Ammonia Ion Meter NH3 Ion Concentration Meter with Measurement Units ppm mg/L mol/L mmol/L Range-1999.9 to 1999.9 mV Calibration Fluid Range 0.01 to 17000 ppm Accuracy±1% F.S for Testing NH3 Ion

VTSYIQI Cadmium Ion Meter Lab Cd Ion Meter Cadmium Ion Detector for Testing Cadimum Ion with Calibration Fluid Range 0.1 to 11200 ppm Range ±1999.9 mV Accuracy±1% F.S. 2 to 5 Point Calibration for Testing Cd Ion

VTSYIQI Cadmium Ion Meters Cadmium Ion Concentration Tester with Accuracy±1% F.S. Calibration Fluid Ion Concentrationr Range 0.1 to 11200 ppm 2 to 5 Point Calibration Range -1999.9 to 1999.9 mV Backlit LCD Display

VTSYIQI Cd Ion Meter Cadmium Laboratory Ion Meter with Range ±1999.9 mV Calibration Fluid Range 0.1 to 11200 ppm Accuracy±1% F.S. 2 to 5 Point Calibration USB Communication Interface

VTSYIQI Portable Cadmium Ion Meter Cd Ion Concentration Meter with Resolution 0.001 0.01 0.1 1 Automatic Calibration Fluid Range 0.1 to 11200 ppm Accuracy±1% F.S. 2 to 5 Points Calibration for Testing Cd Ion