VTSYIQI Portable Chloride Ion Meter Tester CL Ion Concentration Meter with Calibration Fluid Range 1 to 35000 ppm Range ±1999.9 mV Accuracy ±0.5% F.S. Standard Calibration Solutions Calibration 2 to 5 Points Resolution 0.001 0.01 0.1 1

VTSYIQI Chloride Ion Meter Laboratory Ion Meter with Calibration Fluid Range 1 to 35000 ppm Accuracy ±0.5% and 2 to 5 Point Selectable 8 Concentration Calibration Points Ranging from 0.001 to 10000 USB Communication Interface

VTSYIQI Chloride Ion Meter Tester CL Ion Meter Concentration Meter with Range 1 to 35000 ppm Calibration Fluid Accuracy ±0.5% and 2 to 5 Point Calibration Backlight Display for Testing Chloride Ion

VTSYIQI F Ion Meter Portable Fluoride Ion Meter with Calibration Fluid Range 0.02 to 1900 ppm Accuracy±0.5% F.S. Measurement Units ppm mg/L mol/L mmol/L Store 500 Sets of Data for Testing F Ion

VTSYIQI Fluoride Ion Concentration Tester Fluoride Ion Meters with. Range-1999.9 to 1999.9 mV Calibration Fluid Range 0.02 to 1900 ppm Accuracy±0.5% F.S Automatic Temperature Compensation Function Automatic Power Off

VTSYIQI Handheld Fluoride Ion Meter with Calibration Fluid Range 0.02 to 1900 ppm Accuracy±0.5% F.S. Automatic Electrode Diagnosis Shows The Calibration Points and Slopes for Testing F Ion

VTSYIQI Portable F Ion Meter Fluoride Ion Meter with Backlit LCD Display 2 to 5 Point Selectable 8 Concentration Calibration Points Reset Function Calibration Fluid Range 0.02 to 1900 ppm Accuracy±0.5% F.S.

VTSYIQI Lab Fluoride Ion Meter with Accuracy±0.5% F.S. Calibration Fluid Range 0.02 to 1900 ppm Manual/Auto-Read Measurement Endpoint Setup Menu Allows Setting The Number of Calibration Points Ionic Valency

VTSYIQI Nitrate Ion Meter Laboratory Ion Meter with Range ±1999.9 mV Calibration Fluid Accuracy±0.5% 2 to 5 Points Calibration Calibration Fluid Range 0.4 to 62000 ppm Automatic Electrode Diagnosis for Testing NO3 Ion

VTSYIQI NO3 Ion Concentration Meter Portable Nitrate Ion Meter with Accuracy±0.5% Range 0.4 to 62000 ppm F.S. 2 to 5 Points Calibration Data Strong 2 to 5 Point Calibration Optional 8 Concentration Calibration Points Calibration Fluid

VTSYIQI Nitrate Ion Meter Laboratory Ion Meter with Calibration Fluid Range 0.4 to 62000 ppm Accuracy ±0.5% and 2 to 5 Point Selectable 8 Concentration Calibration Points Ranging from 0.001 to 10000

VTSYIQI Sodium Ion Meter Lab Sodium Ion Meter with USB Communication Interface 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 for Testing Na Ion