Ion Meter

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 Concentration 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