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 Fluorine Ion Meter F Ion Meters with Calibration Fluid Range 0.02 to 1900 ppm Accuracy ±0.5% F.S. 2 to 5 Points Calibration Stores 500 Data Sets USB Communication Interface for Testing F Ion

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 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 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 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 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