QIUSUO Multi-angle Gloss Meter Triple-Angle Glossmeter 20/60/85°with Measuring Area (mm) 20°: 10x10 60°: 9x15 85°: 5x36 Measuring Range 20°:0~1000GU 60°:0~1000GU 85°：0~160GU Measuring Time 0.1s

QIUSUO Multi-Angle Glossmeter Triple Angle Gloss Meter with Measurement Range 20°:0-2000GU;60°:0-1000GU;85°:0-160GU for Paints Coating Plastics Ink Rubber Printing Paper Glass Handware Ceramic Marble Etc

QIUSUO Multi-parameter Water Quality Meter Water Quality Monitoring with Conductivity Standard Solutions Range -2.000 to 20.000 pH for Measuring pH ORP Ion Concentration Conductivity TDS Aalinity Resistivity Dissolved Oxygen

QIUSUO Multiparameter Water Quality Analyzer Portable Multi Parameter Water Quality Tester with Conductivity Standard Solutions Accuracy ±0.002 pH for Measuring pH,ORP,Ion Concentration,conductivity,TDS,salinity,resistivity And Dissolved Oxygen

QIUSUO Multiparameter Water Quality Meter Portable Multi Parameter Water Quality Meter with Conductivity Standard Solutions Range -1999.9 to 1999.9 mV for Measuring pH ORP Ion Concentration Conductivity TDS Aalinity Resistivity Dissolved Oxygen

QIUSUO N02 Gas Detector Hydrogen Gas Monitor Analyzer N02 Gas Concentration Monitoring Machine with Measuring Range 0 to 20ppm Die-cast Aluminum Shell for Shipping Coal Mine Gas Test

QIUSUO Na Ion Meter Lab Sodium Ion Meter with Accuracy ±0.5% F.S. Range -1999.9 to 1999.9 mV Calibration Solutions 0.001 0.01 0.1 1 10 100 1000 10000 Auto-Read Function Senses And Locks the Measurement Endpoint Calibration Liquids for Analyzing Na Ion

QIUSUO Na Ion Meter Sodium Ion Meters with Calibration Fluid Range 0.002 to 69000 ppm Accuracy ±0.5% F.S.Setup Menu Allows Setting the Number of Calibration Points USB Communication Interface for Testing Sodium Ion

QIUSUO NH3 Ion Concentration Meter Portable Ammonia Ion Meter with Range ±1999.9 mV Accuracy ±1% F.S. Calibration Fluid Ion Concentration Range 0.01 to 17000 ppm Backlit LCD Display 2 to 5 Point Calibration

QIUSUO NH3 Ion Meter Ammonia Ion Meters with Range 0.01 to 17000 ppm Calibration Fluid Resolution 0.001 0.01 0.1 1 Automatic 2 to 5 Points Calibration Stores Up to 500 Data Sets Automatic Temperature Compensation Function for Testing Ammonia Ion

QIUSUO NH3 Ion Meter Handheld NH3 Ion Meter with Calibration Fluid Range 0.01 to 17000 ppm Resolution 0.001 0.01 0.1 1 Automatic 2 to 5 Points Calibration USB Communication Interface Stores Up to 500 Data Sets

QIUSUO NH3 Ion Meters Ammonia Ion Meter with Range ±1999.9 mV Accuracy ±1% F.S. Calibration Fluid Range 0.01 to 17000 ppm Backlit LCD Display 2 to 5 Point Calibration 500 Sets of Data Storage for Testing Ammonia Ion

QIUSUO NH4 Ion Meter Ammonium Ion Concentration Meter with Standard Calibration Fluid Range 0.1 to 18000 ppm Resolution 0.001 0.01 0.1 1 Automatic Range -1999.9 to 1999.9 mV Accuracy ±0.2 mV USB Communication Interface

QIUSUO Nitrate Ion Concentration Tester Handheld NO3 Ion Meter with 2 to 5 Points Calibration Range From 0.4 to 62000 ppm Backlit LCD Display Setup Menu Allows Setting the Number of Calibration Points Calibration Fluid for Testing NO3 Ion

QIUSUO Nitrate Ion Meter Nitrate Ion Concentration Tester with Calibration Solution Accuracy±0.5% Range 0.4 to 62000 ppm F.S. 2 to 5 Points Calibration  Calibration Resolution 0.001 0.01 0.1 1 Automatic Temperature Compensation Function