VTSYIQI Benzene Detector C6H6 Gas Leak Detector with Adjustable Low and High Alarm Level Range from 0 to 100ppm Explosive Proof Housing for Combustible and Toxic Gas Leakage Detection in Underground Pipe or Mines

VTSYIQI Benzene Detector Handheld Benzene C6H6 Detectors with Adjustable Calibrating Level L-alarm 20ppm H-alarm 50ppm Range from 0 to 100ppm Password Management to Avoid Wrong Operation for Testing Toxic and Combustible Gases

VTSYIQI Benzene Gas Detector C6H6 Gas Detector with H-alarm 50ppm L-alarm 20ppm Range 0-100ppm Accuracy ≦ 5% F.S. Advanced MCU Control LCD Display Screen for Detection of Gas Concentration in Air

VTSYIQI Benzene Gas Detector C6H6 Gas Leak Detector with Wall-mounted Installation Method Measuring Range 0-100ppm L-alarm 10ppm H-alarm 20ppm High Precision Display for Gas Test of Refinery Chemical Plant Boiler Room

VTSYIQI Benzene Gas Detector Fixed C6H6 Benzene Gas Alarm Monitor with Measuring Range 0-100ppm L-alarm 10ppm H-alarm 20ppm Output Current 4-20mA High Precision for Continuous Monitoring of Measurable Gases in Industrial Environments

VTSYIQI Benzene Gas Detector Portable Benzene Monitors with Range 0-100ppm L-alarm 20ppm H-alarm 50ppm Protection Category IP65 LCD Display Screen for Combustible and Toxic Gas Leakage Detection

VTSYIQI Benzene Gas Detector Portable C6H6 Detector with Measuring Range 0-100ppm L-Alarm 20ppm H-Alarm 50ppm Accuracy ≦±5% F.S. Gas Pump Sampling Method for Industrial Site Safety Monitoring C6H6 Gas Test

VTSYIQI Beta Gamma X-ray Dosimeter Nuclear Radiation Detector Radioactivity Monitor With Measuring Range 0.1μSv/h to 50mSv/h For X β γ Ray Radiation Detector

VTSYIQI Binocular Abbe Refractometer Lab Refractometer with Accuracy ±0.0003 Measuring Range 1.3000-1.7000 nD 0.0-95% Brix Digital Thermometer Display

VTSYIQI Binocular Refractometer ABBE Brix Refractometer Binocular Abbe Refractometer with Accuracy ±0.0003 Measuring Range 1.3000-1.7000 nD Dissolved Solids Brix 0-95% for Sugar Petroleum Food

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