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

VTSYIQI Br Ion Concentration Meter Benchtop Bromide Ion Meter with Backlit LCD Display USB Communication Interface Range 0.4 to 81000 ppm Accuracy±0.5% F.S. 2 to 5 Point Calibration Automatic Electrode Diagnosis

VTSYIQI Br Ion Concentration Meter Portable Bromide Ion Meter with Calibration Fluid Range 0.4 to 81000 ppm Range ±1999.9 mV Accuracy ±0.5% F.S. 2 to 5 Points Calibration Data Store Fuction

VTSYIQI Bromide Ion Concentration Meter Ion Meter for Bromide with Accuracy±0.5% F.S. Range 0.4 to 81000 ppm Calibration Fluid  2 to 5 Points Calibration Selectable 8 Concentration Calibration Points Store 500 Data Sets

VTSYIQI Bromide Ion Meter Br Ion Concentration Tester with Calibration Fluid Range 0.4 to 81000 ppm Accuracy±0.5% F.S. 2 to 5 Points Calibration Automatic Electrode Diagnosis for Testing Br Ion

VTSYIQI Bromide Ion Meter Br Ion Concentration Tester with Range 0.4 to 81000 ppm Accuracy ±0.5% F.S. Standard Calibration Solutions Calibration 2 to 5 Points Resolution 0.001 0.01 0.1 1 Automatic LCD Display Screen for Testing Bromide Ion

VTSYIQI Butadiene Detector Handheld C4H6 Gas Detector with Accuracy ≦±5% F.S. L-Alarm 10ppm H-Alarm 20ppm Resolution 1ppm Gas Pump Sampling Method Measuring Range 0-100ppm LCD Display 3200m for C4H6 Test