VTSYIQI Monocular Refractometer Abbe Refractometer with Refractive Index nD 1.3000-1.7000 Accuracy ±0.0002 Dissolved Solids Brix 0-95% Temperature Display Digital Thermometer

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

VTSYIQI Multi Angle Spectrophotometer 15 45 110 Degrees Spectrophotometer with Measuring Angles 15° 45° 110° Touch Screen Repeatability 0.04 Large Capacity Data Storage Spectrophotometric Mode Concave Grating Measurement Range 0~600%

VTSYIQI Multi Angle Spectrophotometer 3 Angles Spectrophotometer Colorimeter with Angles 15° 45° 110° Repeatability 0.04 Interstage Variation 0.2 Touch Screen for Paint Marble

VTSYIQI Multi Aperture Spectrophotometer Color Spectrophotometer Lab Spectrophotometers with Three Apertures Φ11mm Φ6mm Φ3mm Display Accuracy 0.01 Wavelength Range 400-700nm Measurement Repeatability dE*ab≤0.02

VTSYIQI Multi Aperture Spectrophotometer Digital Spectrophotometer with Supports 3 Measuring Apertures For Selection Accuracy 0.01 Repeatability dE*ab≤0.03 Smart Auto Calibration LED+UV Light Source

VTSYIQI Multi Aperture Spectrophotometer Portable Spectrocolorimeter with Six Apertures MAV Φ8mm(Flat+tip) SAV Φ4mm (Flat+tip) SSAV 1x3mm(Flat+tip) CMOS Dual Beam Splitting Sensor Adopt D/8 Optical Structure and SCI/SCE Mode

VTSYIQI Multi Aperture Spectrophotometer Spectro Colorimeter with Range 0-200% Caliber Φ11mm Φ10mm Φ6mm Φ5mm Φ3mm Display Accuracy 0.01% Measurement Repeatability dE*ab≤0.02 for Variety Samples

VTSYIQI Multi Aperture Spectrophotometer Three Caliber Spectrophotometer Spectro Colorimeter with Repeatability dE*ab≤0.02 More Than 30 Parameters Spectral Reflectance CIE-Lab CIE-LCh ΔE*ab ASTM ISO

VTSYIQI Multi Apertures Haze Meter Portable Hazemeter with Three Test Apertures 21mm 15mm 12mm Resolution 0.01% Repeatability 0.02 ASTM&ISO Haze/Transmittance Automatic Calibration

VTSYIQI Multi Apertures Haze Meter Transmission Hazemeter with Aperture 21mm 15mm 12mm Measurement Range 0-100% Resolution 0.01% Repeatability 0.02 Light Source CIE-ACIE-C CIE-D65 2.8 Inch Touch Screen

VTSYIQI Multi Apertures Spectrocolorimeter 4 Calibers Spectrocolorimeter with Four Apertures Φ8mm&Φ4mm Flat&Tip Inter-instrument Error MAV/SCI Within ΔE*ab 0.2 Combined Full Spectrum LED Light Source 2.8 Inch TFT True Color Capacitive Touch Screen