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

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 USB Communication Interface for Testing Nitrate Ion

QIUSUO Portable NO3 Ion Meter Lab NO3 Ion Meter with Calibration Fluid Accuracy ±0.5% F.S. Range 0.4 to 62000 ppm Setup Menu Allows Setting the Number of Calibration Points Manual/Auto-Read Measurement Endpoint for Testing Nitrate Ion

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 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 for Testing NO3 Ion

QIUSUO Nitrate Ion Meter NO3 Ion Meters with Calibration Fluid Range From 0.4 to 62000 ppm 2 to 5 Points Calibration Manual/Auto-Read Measurement Endpoint Stores Up to 500 Data Sets Accuracy ±0.5% F.S. for Testing Nitrate Ion

QIUSUO Laboratory F Ion Meter Fluorine Ion Meters with Range 0.02 to 1900 ppm Accuracy ±0.5% F.S.2 to 5 Points Calibration Backlit LCD Display BNC 3.5 mm Jack Socket Connector Calibration Fluid for Testing Fluorine Ion

QIUSUO Prtable F Ion Meter Fluorine Ion Concentration Tester with Accuracy ±0.5% F.S. Calibration Fluid Range 0.02 to 1900 ppm Range 0 to 105°C / 32 to 221°F USB Communication Interface

QIUSUO Prtable Fluorine Ion Meter F 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 USB Communication Interface 1 to 31 Days or Off Calibration Due Alarm for Testing F Ion

QIUSUO Fluorine Ion Concentration Tester Lab F Ion Meter with Calibration Fluid Range 0.02 to 1900 ppm Manual / Auto-Read Measurement Endpoint USB Communication Interface Accuracy ±0.5% F.S. Resolution 0.001 0.01 0.1 1 Automatic

QIUSUO F Ion Meter Handheld Fluorine Ion Meter with Calibration Fluid Range 0.02 to 1900 ppm Range -1999.9 to 1999.9 mV Accuracy ±0.5% F.S. Stores Up to 500 Data Sets Backlit LCD Display

QIUSUO Portable Chloride Ion Meter Laboratory Cl Ion Meter with Range 1 to 35000 ppm Accuracy ±0.5% and 2 to 5 Point Calibration Backlight Display Calibration Fluid for Testing Chloride Ion for Testing Chloride Ion

QIUSUO Portable Cl Ion Meter Laboratory Chloride Ion Meter with Calibration Fluid Range 1 to 35000 ppm 2 to 5 Points Calibration USB Communication Interface Resolution 0.00 0.01 0.1 1 Automatic

QIUSUO Chlorine Ion Meters CL Ion Meter with Standard Calibration Fluid Range 1 to 35000 ppm Selectable 8 Concentration Calibration Points Ranging From 0.001 to 10000 for Testing CL Ion

QIUSUO Cl Ion Meter Chlorine Concentration Tester with Standard Calibration Fluid Range 1 to 35000 ppm Range -1999.9 to 1999.9 mV 2 to 5 Points Calibration USB Communication Interface