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 Ion meter for Pb Lead Ion Meters with Range 0.2 to 20800 ppm Accuracy±1% F.S. 2 to 5 Point Calibration Liquids Backlit LCD Display

QIUSUO Benchtop K Ion Meter Potassium Ion Concentration Tester with Calibration Liquids Ion Concentration Range 0.04 to 39000 ppm Accuracy ±1% F.S. MV Range -1999.9 to 1999.9 mV

QIUSUO Benchtop Liquid Colorimeter Desktop Liquid Spectrophotometer with Colorimetric Values ΔE*ab within 0.015 Integrating Sphere Size Φ40mm Wavelength Range 360-780nm

QIUSUO Benchtop Liquid Colorimeter High-Precision Liquid Colorimeter with Chroma value within ΔE*ab 0.015 Integrating Sphere Size Φ 40 mm Transmittance Range 0-200% Wavelength Range 360 -780 nm

QIUSUO Benchtop Multiparameter Turbidity Meter Kit Desktop Turbidity Meter Kits with Turbidity Range 0~2000 NTU/FNU 0~500 EBC 0~9999 ASBC Calibration Points 2~7 Points ISO 7027 Nephelometric Method

QIUSUO Benchtop Na Ion Meters Laboratory Sodium Ion Meter with Range 0.002 to 69000 ppm Range -1999.9 to 1999.9 mV Accuracy ±0.5% F.S. Standard Calibration Liquids

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 Benchtop pH Meter Digital pH Meters with Range -1.00 to 15.00 pH Resolution 0.01 pH Accuracy ±0.01 pH Range -1999 to 1999 mV Resolution 1 mV Accuracy ±1 mV Manual/Auto-read

QIUSUO Benchtop pH Meter Labrorary pH/mV Meter with Range -1.00 to 15.00 pH Resolution 0.01 pH Accuracy ±0.01 pH Range -1999 to 1999 mV Resolution 1 mV Accuracy ±1 mV Measurement Endpoint 1 to 3 Points Calibration

QIUSUO Benchtop pH/mV Meter Analyzer Meters with Range -1.00 to 15.00 pH Range -1999 to 1999 mV Resolution 1mV Accuracy ±1mV 1 to 3 Points Calibration Manual/Auto-read Measurement Endpoint E201-BNC pH Electrode

QIUSUO Benchtop Potassium Ion Meter Lab K Ion Meter with Calibration Fluid Ion Concentration Range 0.04 to 39000 ppm Accuracy±1% F.S. Backlit LCD Display

QIUSUO Benchtop Sodium Ion Meter Na Concentration Meter with Calibration Solution Range 0.002 to 69000 ppm Resolution 0.001 0.01 0.1 1 Automatic Accuracy ±0.5% F.S. Multiple Measurement Units Auto-Power Off

QIUSUO Benchtop Sulfide Ion Meter S Ion Meter with Measurement Range 0.003 to 32000 ppm Accuracy ±1% F.S. Measurement Units ppm mg/L mol/L mmol/L for Testing Sulfide Ion

QIUSUO Benchtop Turbidity Meter Benchtop Turbidimeters Multiparameter Turbidity Meters with ASTM ISO Resolution 0.01 Formazine Turbidity Solution 2000NTU USB Interface Total Suspended Solids Mode