QIUSUO Sulfide Ion Meter with Calibration Fluid Range 0.003 to 32000 ppm Automatic Accuracy ±1% F.S. 2 to 5 Points Calibration

QIUSUO Silver Ion Meter Silver Ion Concentration Tester with Range 0.01 to 107900 ppm Accuracy ±1% F.S. 2 to 5 Points Calibration Calibration Liquids

QIUSUO I Ion Meter with Range 0.06 to 127000 ppm 2 to 5 Points Calibration Accuracy ±1% F.S.2 USB Communication Interface Calibration Liquids

QIUSUO Potassium Ion Meter K Ion Meter with Calibration Fluid Range 0.04 to 39000 ppm 2 to 5 Points Calibration for Testing Potassium Ion

QIUSUO Lead Ion Meter with Range 0.2 to 20800 ppm Accuracy ±1% F.S. Range -1999.9 to 1999.9 mV Calibration Fluid

QIUSUO Cyanide Ion Meter CN Ion Meter with Range 0.03 to 260 ppm Accuracy ±1% F.S. 2 to 5 Points Accuracy±1% F.S. for Analyzing Cyanide Ion

QIUSUO Copper Ion Meter Cu Ion Concentration Tester with Range 0.06 to 6400 ppm Calibration Fluid Stores Up to 500 Data Sets for Testing Cu Ion

QIUSUO Cadmium Ion Meter Lab Cd Ion Meter with Range 0.1 to 11200 ppm Accuracy±1% F.S. Calibration Fluid 2 to 5 Point Calibration

QIUSUO NH3 Ion Meter Handheld Ammonia Ion Meter with Range 0.01 to 17000 ppm Calibration Fluid 2 to 5 Points Calibration

QIUSUO Ammonia Ion Meter Ion Meter for NH3 with Ammonia Standard Solutions Ion Concentration Range 0.01 to 17000 ppm

QIUSUO Sodium Ion Meter with Calibration Fluid Range 0.002 to 69000 ppm Automatic Temperature Compensation Function

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 Fluorine Ion Meter F Ion Meter with Range 0.02 to 1900 ppm Accuracy ±0.5% F.S.2 to 5 Points Calibration Calibration Fluid for Test Fluorine Ion

QIUSUO Calcium Ion Meter Ca Ion Concentration Meter with Range 0.02 to 40100 ppm Resolution 0.001 0.01 0.1 1 Automatic Calibration Fluid

QIUSUO Bromide Ion Meter Portable Br Ion Meter with Range 0.4 to 81000 ppm Accuracy ±0.5% F.S. Calibration Fluid 2 to 5 Points Calibration for Testing Br Ion