QIUSUO Benchtop Ion Meter for NO3 NO3 Ion Meter with Calibration Fluid Range 0.4 to 62000 ppm Accuracy±0.5% F.S. Backlit LCD Display Resolution 0.001 0.01 0.1 1 Automatic USB Communication Interface for Laboratory Applications

QIUSUO Benchtop Nitrate Ion Meter NO3 Ion Meter with Range -1999.9 to 1999.9 mV Accuracy ±0.5% F.S. Measurement Units ppm mg/L mol/L mmol/L 2 to 5 Points Calibration USB Communication Interface for Analyzing Nitrate Ion

QIUSUO Nitrate Ion Meter Nitrate Ion Concentration Tester with Calibration Solution Accuracy±0.5% Range 0.4 to 62000 ppm F.S. 2 to 5 Points Calibration  Calibration Resolution 0.001 0.01 0.1 1 Automatic Temperature Compensation Function

QIUSUO NO3 Ion Meter Benchtop Nitrate Ion Meter with Range ±1999.9 mV Accuracy±0.5% 2 to 5 Points Range 0.4 to 62000 ppm Backlit LCD Display Automatic Electrode Diagnosis USB Communication Interface for Testing NO3 Ion

QIUSUO Benchtop Ion Meter for F Fluoride Ion Meters with Calibration Solution Accuracy ±0.5% F.S. Range 0.02 to 1900 ppm Measurement Units ppm mg/L mol/L mmol/L Range -1999.9 to 1999.9 mV USB Communication Interface for Testing Fluoride Ion

QIUSUO Lab F Ion Meter Fluoride Ion Concentration Tester with Calibration Liquids Calibration Solutions 0.001/0.01/0.1/1/10/100/1000/10000 Accuracy ±0.5% F.S. Range 0.02 to 1900 ppm Setup Menu Allows Setting the Number of Calibration Points

QIUSUO Benchtop Fluoride Ion Meter F Ion Meter with Calibration Fluid Range 0.02 to 1900 ppm Range -1999.9 to 1999.9 mV Calibration Solutions 0.001/0.01/0.1/1/10/100/1000/10000 Measurement Units ppm mg/L mol/L mmol/L for Laboratory Applications

QIUSUO Fluoride Ion Meter Benchtop Fluoride Ion Meter with Calibration Fluid Range 0.02 to 1900 ppm Accuracy±0.5% F.S. 2 to 5 Points Calibration Resolution 0.001 0.01 0.1 1 Automatic USB Communication Interface for Laboratory Applications

QIUSUO Benchtop Chloride Ion Meter Cl Ion Meter with Range 1 to 35000 ppm Calibration Liquids Calibration Solutions 0.001/0.01/0.1/1/10/100/1000/10000 Measurement Units ppm mg/L mol/L mmol/L Accuracy ±0.5% F.S. Backlit LCD Display for Testing Cl Ion

QIUSUO Benchtop Ion Meter for Cl Chloride Ion Meters with Calibration Fluid Range 1 to 35000 ppm Resolution 0.001 0.01 0.1 1 Automatic Accuracy ±0.5% F.S. Manual/Auto-Read Measurement Endpoint for Testing Chloride Ion

QIUSUO Laboratory Chloride Ion Meter Chloride Ion Concentration Tester with Standard Calibration Liquids 2 to 5 Points Calibration Stores Up to 500 Data Sets LCD Display Range 1 to 35000 ppm Accuracy ±0.5% F.S.

QIUSUO Calcium Ion Concentration Meter Lab Ca Ion Meter with Standard Calibration Fluid Range 0.02 to 40100 ppm Resolution 0.001 0.01 0.1 1 Automatic Accuracy ±1% F.S. Calibration 2 to 5 Points Manual/Auto-Read Measurement Endpoint

QIUSUO Ca Ion Meters Benchtop Calcium Ion Meter with Accuracy ±1% F.S. Range 0.02 to 40100 ppm Range -1999.9 to 1999.9 mV Calibration Solutions 0.001/0.01/0.1/1/10/100/1000/10000 Calibration Liquids for Testing Calcium Ion

QIUSUO Benchtop Calcium Ion Meter Ca Ion Meter with Calibration Fluid Range 0.02 to 40100 ppm Range -1999.9 to 1999.9 mV Accuracy±1% F.S. Resolution 0.001 0.01 0.1 1 Automatic USB Communication Interface 2 to 5 Points Calibration

QIUSUO Benchtop Calcium Ion Meter Calcium Ion Concentration Tester with Standard Calibration Liquids with 0.02 to 40100 ppm Accuracy±1% F.S. Automatic Electrode Diagnosis Calibration Fluid Measurement Units ppm mg/L mol/L mmol/Lfor Analyzing Ca Ion