VTSYIQI Binocular Refractometer ABBE Refractometer Binocular Abbe Refractometer Brix Refractometer Abbe Binocular Refractometer with Refractive Index 1.3000-1.7000nD Accuracy ±0.0003nD Brix 0-95%

VTSYIQI Binocular Refractometer Abbe Refractometer with Accuracy ±0.0003 Refractive Index nD 1.3000-1.7000nD Digital Thermometer for Sugar Pharmaceutical Beverage Petroleum Food Chemical Industries

VTSYIQI Black And White Densitometer Black And White Transmission Density Meter with Range of Densimeter D=0.00~4.50 Measuring Error ±0.02 （0.0＜D≤2.0）±1% （2.0＜D≤4.0）±0.05 （4.0＜D≤5.0） for Measuring The Blackness Of Films

VTSYIQI Black and White Densitometer Density Meter with Measure Range 0 to 4.5D Three Digital LED Displaying Densimeter Measure Area ф2mm(Light Hole Diameter) Repeatability Error ±0.01D

VTSYIQI Black and White Density Meter Black White Densitometer with Measure Range 0 to 5.0D Measure Area ф2mm(Light Hole Diameter) Repeatability Error ±0.01D Three Digital LED Displaying Densimeter

VTSYIQI Black And White Transmission Densitometer Black and White Density Meter with Density Range D=0.00 To 5.00 Sampling Time 0.8s Repeatability ±0.02 for Measuring The Blackness Of Films

VTSYIQI Black White Densitometer Black And White Transmission Densitometer with Range of Densimeter D=0.00~4.50 Measuring Error ±0.02 （0.0＜D≤2.0）±1% （2.0＜D≤4.0）±0.05 （4.0＜D≤5.0）

VTSYIQI Blasting Vibration Meter Blasting Vibration Monitor with Frequency Range 5-500Hz Sample Rate 20sps-100Ksps Adjustable Auto Range Up to 35cm/s

VTSYIQI Blasting Vibration Monitor Blasting Vibration Logger with Frequency Range 5-500Hz Accuracy 1% Auto Range Up to 35cm/s Resolution 0.05mV (0.5mm/s)

VTSYIQI Blasting Vibration Tester Blasting Vibration Monitoring Equipment with Storage Capacity Up to 57000 Segments of Data Frequency Range 5-500Hz Accuracy 1%

VTSYIQI Bluetooth Spectrophotometer Three Apertures Colorimeter Color Matching with Ultra-high Repeatability Accuracy ≤0.02 Measuring Caliber 8mm/11mm&4mm/6mm&1 * 3mm Built in HD Camera for Car Paint

VTSYIQI Bluetooth Water Activity Analyzer Meter Tools With Range 0 to 1.0AW Accuracy 0.02aw For Grain Fruits Vegetables Breads Biscuits Water Activity Meters Monitor