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 for Laboratory Applications

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 USB Communication Interface Calibration Fluid Calibration Automatic Electrode Diagnosis

QIUSUO Benchtop K Ion Meter Potassium Ion Concentration Tester with Calibration Liquids Range 0.04 to 39000 ppm Accuracy ±1% F.S. Range -1999.9 to 1999.9 mV Calibration Fluid Automatic Temperature Compensation USB Communication Interface

QIUSUO Benchtop Liquid Colorimeter Desktop Liquid Colorimeter with Colorimetric Values ΔE*ab within 0.015 Integrating Sphere Size Φ40mm Wavelength Range 360-780nm Sensor Silicon Photodiode Array (Double Row 40 Groups) for Liquid Chromaticity Measurement

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

QIUSUO Benchtop Multiparameter Turbidity Meter Kit Desktop Turbidity Meter Kits with Turbidity Range 0~2000 NTU/FNU 0~500 EBC 0~9999 ASBC 7 Point Calibration 4 PCS Liquid Solutions ISO 7027 TSS Test Mode Suspended Particle Test

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. USB Communication Interface Standard Calibration Liquids 

QIUSUO Benchtop Nitrate Ion Meter NO3 Ion Meter with Range -1999.9 to 1999.9 mV Accuracy ±0.5% F.S. Measurement Units ppm mg/L mol/L mmol/L 2 to 5 Points Calibration USB Communication Interface 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 Measurement Endpoint 1 to 3 Points Calibration

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 Manual/Auto-read 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 Range 0.04 to 39000 ppm Accuracy±1% F.S. Backlit LCD Display Automatic Temperature Compensation Function USB Communication Interface Automatic Electrode Diagnosis

QIUSUO Benchtop Sulfide Ion Meter S Ion Meter with  Measurement Range 0.003 to 32000 ppm Accuracy ±1% F.S. Resolution 0.001 0.01 0.1 1 Automatic 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

QIUSUO Benchtop Turbidity Meter Multiparameter Turbidity Meter Kits with Total Suspended Particle Analysis Function Range 0 to 2000 NTU/FNU 4 PCS Formazine Calibration Solutions USB Interface Resolution 0.01