QIUSUO ABBE Refractometer Monocular Refractometer Abbe Digital Refractometer with Measuring Range 1.3000-1.7000 nD 0.0-95% Brix Accuracy ±0.0002 for Sugar Beverage Petroleum Food Test

QIUSUO Ag Ion Meter Portable Silver Ion Meter with Range 0.01 to 107900 ppm Calibration Fluid Accuracy ±1% F.S. Measurement Units ppm mg/L mol/L mmol/L for Testing Silver Ion

QIUSUO Ammonia Ion Meter Benchtop Ammonia Ion Meter with Calibration Fluid Ion Concentration Range 0.01 to 17000 ppm Range ±1999.9 mV Accuracy ±1% F.S. 2 to 5 Points Calibration USB Communication Interface Automatic temperature compensation

QIUSUO Ammonia Ion Meter Ion Meter for NH3 with Ammonia Standard Solutions Ion Concentration Range 0.01 to 17000 ppm Range ±1999.9 mV Accuracy ±1% F.S. Manual/Auto-Read Measurement Endpoint for Testing Ammonia Ion

QIUSUO Ammonium Ion Meter Benchtop Ion meter for NH4 with Calibration Liquids Range 0.1 to 18000 ppm Resolution 0.001,0.01,0.1,1 Automatic Accuracy ±0.5% F.S. Calibration Solutions 0.001/0.01/0.1/1/10/100/1000/10000 Manual/Auto-Read Measurement Endpoint

QIUSUO Ammonium Ion Meter Portable Ammonium Ion Meter with Calibration Fluid Ion Concentration Range 0.1 to 18000 ppm Range ±1999.9 mV Accuracy ±1% F.S. 2 to 5 Points Calibration Display Resolution 0.001 0.01 0.1 1 Automatic for Testing NH3 Ion

QIUSUO Ammonium Ion Meters NH3 Ion Meter with Range 0.1 to 18000 ppm Range -1999.9 to 1999.9 mV Resolution 0.001,0.01,0.1,1 Automatic Accuracy ±0.5% F.S. USB Communication Interface Stores Up to 500 Data Sets Calibration Fluid for Testing Ammonium Ion

QIUSUO ASTM&ISO Hazemeter Digital Two Apertures Haze Meter with Aperture 21mm 15mm Test Range 0-100% Resolution 0.01% Repeatability 0.05 2.8-inch Touch Screen Sample Size Thickness≤40mm for Haze Luminous Transmittance Transparent Plastics

QIUSUO Belt Tension Meter Gauge Tension Meter for Belt with Tension Range 0.01-99900N Frequency Range 10Hz-5000Hz for V-Belt Fabric Covered Belt Toothed Edge Belt Multi-vinged Belt Power Transmission Belt Etc

QIUSUO Belt Tension Meter Sonic Tension Meter Belt Tensiometer with Frequency Range 10Hz-5000Hz Tension Range 0.01-99900N LCD Backlit Display Automatic Sensitivity Calibration 500 Groups Storage Data for Most Belt Types

QIUSUO Benchtop Ag Ion meter Silver Ion Meter with Calibration Fluid Accuracy ±1% F.S. Range 0.01 to 107900 ppm 2 to 5 Points Calibration Setup Menu Allows Setting the Number of Calibration Points

QIUSUO Benchtop Ammonia Ion Meter NH3 Ion Concentration Tester with Calibration Liquids Accuracy ±1% F.S. Measurement Units ppm mg/L mol/L mmol/L 2 to 5 Points Calibration Setup Menu Allows Setting the Number of Calibration Points

QIUSUO Benchtop Ammonium Ion Meter NH4 Ion Meters Tester Ammonium Ion Detector with Calibration Liquids Range 0.1 to 18000 ppm Range -1999.9 to 1999.9 mV Automatic Temperature Compensation Function

QIUSUO Benchtop Ammonium Ion Meter NH4 Ion Meters with Calibration Fluid Range 0.1 to 18000 ppm Accuracy±0.5% F.S. USB Communication Interface Auto-Read Function Calibration Solutions 0.001 0.01 0.1 1 10 100 1000 10000

QIUSUO Benchtop Bromide Ion Meter Rr Ion Meter with Standard Calibration Liquids Range -1999.9 to 1999.9 mV 2 to 5 Points Calibration Measurement Units ppm mg/L mol/L mmol/L Accuracy ±0.5% F.S.