VTSYIQI Fluorescence Dissolved Oxygen Meter Optical Dissolved Oxygen Meter Tester Detector with D.O. Range 0~15(mg/L )/0-119.9% Accuracy ±3%FS 3.5m Optical Probe Resolution 0.1 mg/L

VTSYIQI Fluorescence Dissolved Oxygen Meter Tester with Dissolved Oxygen Measuring Range 0.0-15.0 (mg/L)/0-119.9% Accuracy ±3.0%FS Salinity Compensation 0~42ppt 99 Pen Data Storage Temperature Measuring Range 0.0~50.0°C

VTSYIQI Fluorescence Dissolved Oxygen Tester Fluorescence DO Meter with Accuary ±3.0%FS Salinity Compensation 0-42ppt DO Measuring Range 0.0~15.0 (mg/L)/0~119.9% 99 Pen Data Storage Altitude Compensation 0-1000m

VTSYIQI Fluorescence DO Meter Fluorescence Dissolved Oxygen Meter Detector with Dissolved Oxygen Measuring Range 0.0-15.0 (mg/L)/0-119.9% Salinity Compensation 0~42ppt Calibration 100.0% in Air Altitude Compensation 0-1000m

VTSYIQI Fluorescence DO Meter Fluorescence Dissolved Oxygen Tester with DO Measuring Range 0.0~15.0 (mg/L)/0~119.9% Accuary ±3.0%FS Altitude Compensation 0-1000m for Aquaculture Mariculture Experimental Research Environmental Measurement

VTSYIQI Fluoride Ion Concentration Tester Fluoride Ion Meters with. Range-1999.9 to 1999.9 mV Calibration Fluid Range 0.02 to 1900 ppm Accuracy±0.5% F.S Automatic Temperature Compensation Function Automatic Power Off

VTSYIQI Fluoride Ion Meter Benchtop Fluoride Ion Meter with Calibration Fluid Range 0.02 to 1900 ppm Accuracy±0.5% F.S. Auto-Power Off Resolution 0.001 0.01 0.1 1 Automatic for Laboratory Applications

VTSYIQI Fluorine Detector F2 Gas Detectors with Resolution 0.01ppm Measuring Range 0 to 10ppm Accuracy ≤±3% F.S.USB Interface Principle Electrochemical Built-in Micro Sampling Pump for Petroleum and Petrochemical Chemical Industry

VTSYIQI Fluxgate Magnetometer Handheld Fluxgate Magnetometer with Range 0~2000 μT Accuracy±2% Uniaxial Fluxgate Sensor USB Interface Relative Measurement Mode For Weak Magnetic Field Measurement

VTSYIQI Fluxgate Magnetometer High Sensitive Magnetometer Fluxmeter with Accuracy 2% Test Range 0~2000 Relative Measurement ModeμT mG Unit Switch USB Interface 5 Digits Display Frequency Range DC～400 Hz for Measuring Low Magnetic Field

VTSYIQI Fluxgate Magnetometer Portable Fluxgate Magnetometer with Accuracy 1% Measuring Range 0~2000μT Linearity ± 0.5% μT mG Unit Switch USB Interface Frequency Range DC～400 Hz for Fragmentation Processing Security Check

VTSYIQI Food AW Tester Water Activity Monitor Meter Tester Analyzer with Resolution 0.01 Range 0.00-1.00aw Accuracy ±0.02aw Data Memorized 99 Groups for Food