CNYST Portable NH4 Ion Meter Ammonium Ion Meter with Standard Calibration Fluid Accuracy ±0.5% F.S. Ion Concentration Range 0.1 to 18000 ppm Resolution 0.001 0.01 0.1 1 Automatic 2 to 5 Points Calibration Leeb Hardness Tester Testing parameters：Ra

CNYST Portable NH4 Ion Meter Ammonium Ion Meter with Standard Calibration Fluid Accuracy ±0.5% F.S. Ion Concentration Range 0.1 to 18000 ppm Resolution 0.001 0.01 0.1 1 Automatic 2 to 5 Points Calibration Leeb Hardness Tester Testing parameters：RaAbout this item: Ion Concentration Range 0. 1 to 18000 ppm; Accuracy 0. 5% F. S; Range 1999. 9mV Selectable ion measurement units, including ppm, mg L and mol L. 2 to 5 points calibration from low to high concentrations. Expanded memory stores or recalls up to 500 data sets. USB communication interface for data transfer or connecting a power adapter to the meter. Features: Professional portable Ammonium ion meter is equipped with a backlit LCD

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