VTSYIQI Laboratory Spectrophotometer Digital Colorimeter Multi Caliber Spectrophotometer with 5 Kinds Measuring Calibers Φ11mm Φ10mm Φ6mm Φ5mm Φ3mm Accuracy 0.01 for Oil Painting Color Matching

VTSYIQI Laboratory Turbidimeter Kit Digital Nephelometer Turbidity Meters with TSS Measurement Mode Range 0~2000 NTU/FNU 0~500 EBC 0~9999 ASBC 7 Point Calibration 4 PCS Liquid Solutions Suspended Particle Test

VTSYIQI Laboratory Turbidity Meter Kit Benchtop Nephelometer Turbidimeter with 7 Point Calibration Range 0 to 2000 NTU/FNU 0 to 500 EBC 0 to 9999 ASBC Accuracy ±2% 4 PCS Liquid Calibration Solutions Suspended Particle Test

VTSYIQI Laboratory Turbidity Meter Multiparameter Turbidimeter with 7 Point Calibration Range 0 to 2000 NTU/FNU 0 to 500 EBC 0 to 9999 ASBC Accuracy ±2% Suspended Particle Analysis 4 PCS Calibration Solution

VTSYIQI Laboratory Turbidity Meter Turbidity Analyzer Water Quality Meter with Range 0~1100 NTU/FNU 0~275 EBC 0~9999 ASBC for Light Tap Water Turbidity Meter Tester 4 PCS Calibration Solution

VTSYIQI Laboratory Vortex Mixers Vortex Shaker with Speed Range 200-3000r/min.±15rpm Shaking Mode Orbital Shaking Orbital Diameter 4.6mm 6 Standard Modules Fixture Identification Function

VTSYIQI Laboratory Water Hardness Meter Digital Water Hardness Meter with Standard Calibration Solutions Accuracy ±1% F.S. Setup Menu Allows Setting the Number of Calibration Points for Measuring Calcium and Magnesium Ion Concentration in Water Samples

VTSYIQI Laboratory Water Hardness Tester Benchtop Water Hardness Analyzer with with Calibration Liquids Boiler Range 0 to 400 mmol/L Ca²⁺ Range 0 to 8020 mg/L 2 to 5 points Calibration Setup Menu Allows Setting the Number of Calibration Points

VTSYIQI Labrorary pH Meter Digital Benchtop pH Analyzer with ORP Range -1999.9 to 1999.9 mV Accuracy ±0.2 mV Auto-read Function Expanded Memory Stores USB Communication Interface

VTSYIQI Large Aperture Coffee Colorimeter with USB Interface 50mm Measurement Aperture 0.01% Reflectance Resolution 400-700nm Wavelength for Coffee Powder Grounds Roast Degree Testing

VTSYIQI Large Caliber Double Clamp Digital Phase Voltmeter Volt-Ampere Meter with Phase Range 0°-360° Voltage Range AC 0.00V~600V Current Range AC 0mA～600A Clamp Jaw Size φ40mm USB Interface

VTSYIQI Large Caliber Double Clamp Digital Phase Voltmeter Volt-Ampere Meter with Phase Range 0°-360° Voltage Range AC 0.00V~600V Current Range AC 0mA～600A Clamp Jaw Size φ40mm USB Interface