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 Standard 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

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

QIUSUO Benchtop Water Hardness Meter with Standard Calibration Solution Range Concentration 0.05 to 200 mmol/L Resolution 0.001,0.01,0.1,1,Automatic

QIUSUO Benzene Detector Benzene Gas Monitor with Measurement Range from 0 to 100ppm Resolution 1ppm L-alarm 20ppm H-alarm 50ppm

QIUSUO Benzene Gas Detector C6H6 Gas Leak Detector with Wall-mounted Installation Method Measuring Range 0-100ppm Resolution 1ppm L-alarm 10ppm H-alarm 20ppm

QIUSUO Benzene Gas Detector C6H6 with H-alarm 50ppm L-alarm 20ppm Range 0-100ppm Accuracy ≦ 5% F.S. for Detection of Gas Concentration in Air

QIUSUO Binocular Abbe Refractometer Brix Refractometer Lab Binocular ABBE Refractometer for Liquid and Solid Substances with Accuracy ±0.0003 Measuring Range 1.3000-1.7000 nD 0.0-95% Brix

QIUSUO Br Ion Meter Bromide Ion Concentration Meter with Calibration Fluid Range0.4 to 81000 ppm Accuracy ±0.5% F.S. 2 to 5 Point Calibration Backlight Display USB Communication Interface

QIUSUO Bromide Ion Meter Benchtop Bromide Ion Meter with Standard Calibration Fluid Range 0.4 to 81000 ppm Automatic Accuracy ±0.5% F.S. 2 to 5 Points Calibration