VTSYIQI Portable F Ion Meter Fluoride Ion Meter with Backlit LCD Display 2 to 5 Point Selectable 8 Concentration Calibration Points Reset Function Calibration Fluid Range 0.02 to 1900 ppm Accuracy±0.5% F.S.

VTSYIQI Portable F2 Gas Detector Fluorine Gas Alarm with Accuracy ≤±3% F.S. Measuring Range 0 to 10ppm Resolution 0.01ppm Explosion-Proof Certification Built-in Micro Sampling Pump Automatic Data Storage Principle Electrochemical

VTSYIQI Portable Flow Rate Meter Water Velocity Meter Tester with Pole Positioning Measurement Speed Range 0.01-10.00 m/s Measurement Error ≤1. 5% for Open Channel Flow Rate and Flow Measurement in The Field

VTSYIQI Portable Fluorescence Dissolved Oxygen Meter DO Meter with Temp Range 0.0~50.0℃ Salinity Compensation 0-42ppt Accuary ±3.0%FS Altitude Compensation 0-1000m DO Measuring Range 0.0~15.0 (mg/L)/0~119.9%

VTSYIQI Portable Fluorescence Dissolved Oxygen Meter Fluorescence Dissolved Oxygen Tester with Accuary ±3.0% FS Resolution 0.1 mg/L DO Measuring Range 0.0~15.0 (mg/L)/0~119.9% 99 Pen Data Storage

VTSYIQI Portable Fluxgate Magnetometer Handheld Uniaxial Fluxgate Magnetometer with 5-Digits Display Measuring Range 0~2000μT Accuracy 2% Single-axis Fluxgate Sensor USB Interface Frequency Range DC～400 Hz for Magnetic Shielding Evaluation

VTSYIQI Portable Food Water Activity Meter Analyzer AW Tester Monitor Water Activity Measurement with Accuracy 0.02AW Range 0 to 1.0AW 6 Bit Backlight LCD Digital Display for Food Jerky Dried Fruit Grain Vegetable AW Monitor Water Activity Testing

VTSYIQI Portable Ford Cup #2 Ford Flow Cup with Hole Diameter 2.80 mm Outflow Time 25-105 sec Measuring Range 25-120 CST Cup Volume 100±1ml

VTSYIQI Portable Ford Flow Cup #2 Aluminium Viscosity Cup with Hole Diameter 2.80 mm Measuring Range 25-120 CST for Viscosity Measurement of Thin Oils Mixed Paints and Varnishes

VTSYIQI Portable Ford Flow Cup #3 Viscosity Testing Cup with Hole Diameter 3.40 mm Measuring Range 49-220 CST Outflow Time 25-105 sec for Testing Thicker Fluids and Mixtures

VTSYIQI Portable Ford Viscosity Cup #1 Ford Cup with Measuring Range 10-35 CST Outflow Time 25-105 sec Hole Diameter 2.10 mm ASTM D 1200 Standard

VTSYIQI Portable Ford Viscosity Cup #4 Viscosity Measuring Cup with Diameter of Hole 4.10mm ASTM D 1200 Standard Outflow Time 20-105 sec Cup Volume 100±1ml Measuring Range 70-370 CST