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

QIUSUO Benchtop Nitrate Ion Meter NO3 Ion Meter with Range -1999.9 to 1999.9 mV Measurement Units ppm mg/L mol/L mmol/L 2 to 5 Points Calibration 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

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

QIUSUO NO3 Ion Meter Laboratory Nitrate Ion Meter with Calibration Fluid Accuracy±0.5% F.S. Range 0.4 to 62000 ppm Range -1999.9 to 1999.9 mV USB Communication Interface Backlit LCD display for Testing Nitrate Ion

QIUSUO Nitrate Ion Meter NO3 Ion Meters with Range 0.4 to 62000 ppm Calibration Fluid 2 to 5 Points Calibration for Testing Nitrate Ion

QIUSUO Nitrate Ion Concentration Tester Handheld NO3 Ion Meter with 2 to 5 Points Calibration Range From 0.4 to 62000 ppm Backlit LCD Display Setup Menu Allows Setting the Number of Calibration Points Calibration Fluid

QIUSUO Portable Nitrate Ion Meter NO3 Ion Meter with Calibration Fluid Range 0.4 to 62000 ppm Resolution 0.001 0.01 0.1 1 Automatic Range -1999.9 to 1999.9 mV USB Communication Interface Stores Up to 500 Data Sets

QIUSUO Portable NO3 Ion Meter Lab NO3 Ion Meter with Calibration Fluid Accuracy ±0.5% F.S. Range 0.4 to 62000 ppm Manual/Auto-Read Measurement Endpoint for Testing Nitrate Ion

QIUSUO Handheld NO3 Ion Meter Nitrate Ion Meters with Calibration Fluid Range 0.4 to 62000 ppm Range -1999.9 to 1999.9 mV Accuracy ±0.5% F.S. Stores Up to 500 Data Sets for Testing Nitrate Ion

QIUSUO Lab NO3 Ion Meter Handheld NO3 Ion Concentration Tester with Calibration Fluid Range 0.4 to 62000 ppm Accuracy ±0.5% F.S. Range -1999.9 to 1999.9 mV 2 to 5 Points Calibration for Testing NO3 Ion