VTSYIQI Portable Sulfur Dioxide Gas Detector SO2 Detectors with Measuring Range 0-20ppm Resolution 0.1ppm Accuracy ≦±3% F.S. Explosion-Proof Grade Ex Ib IIBT4 Gb 1200pcs Data Storages Sound Light and Vibration Alarms

VTSYIQI Hydrogen Detector H2 Gas Detector with Measuring Range 0-1000ppm Resolution 1ppm Accuracy≦±5% F.S. L-Alarm 50ppm H-Alarm 150ppm 32-bit Built-in MCU for Petroleum Chemical Environmental Metallurgy

VTSYIQI Hydrogen Gas Detector H2 Detector with Resolution 1ppm Measuring Range 0-1000ppm Gas Pump Sampling Method Accuracy ≦±5% F.S. L-Alarm 50ppm H-Alarm 150ppm Data Records Store Data Records Explosion-Proof

VTSYIQI H2 Gas Detector Portable Hydrogen Detector with Gas Pump Sampling Method Measuring Range 0-1000ppm Resolution 1ppm L-Alarm 50ppm H-Alarm 10ppm Accuracy ≦±5% F.S. for for Petroleum Chemical Environmental Protection Metallurgy

VTSYIQI H2 Detector Hydrogen Gas Detector with Accuracy ≦±5% F.S. L-Alarm 50ppm H-Alarm 150ppm Resolution 1ppm Gas Pump Sampling Method Measuring Range 0-1000ppm LCD Display 3200m High Reliability and Self-adaptation Ability

VTSYIQI H2 Gas Detector Hydrogen Detector with L-Alarm 50ppm H-Alarm 150ppm Accuracy ≦±5% F.S. Resolution 1ppm Gas Pump Sampling Method Measuring Range 0-1000ppm Data Records Store Data Records

VTSYIQI Portable H2 Gas Detector Hydrogen Detector with 32-bit Built-in MCU High Reliability and Self-adaptation Ability Measuring Range 0-50ppm Accuracy ≦±5% for Industrial Site Safety Monitoring for H2 Gas Test

VTSYIQI Chlorine Gas Detector Cl2 Gas Detector with Measuring Range 0-10ppm Sound & Light Alarm Resolution 0.01ppm Standard 4-20mA and RS485 Output Installation Type Wall Mounted

VTSYIQI Chlorine Gas Detectors Cl2 Monitor with Measuring Range 0-10ppm Resolution 0.01ppm Standard 4-20mA and RS485 Output Sound & Light Alarm Function Installation Type Wall Mounted Accuracy ≤±3% F.S.

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 C6H6 Detector Portable Benzene Gas Detector with 32-bit Built-in MCU High Reliability and Self-adaptation Ability Measuring Range 0-100ppm L-Alarm 20ppm H-Alarm 50ppm for Petroleum Chemical Environmental Metallurgy

VTSYIQI C6H6 Gas Detector Benzene Gas Detector with Accuracy ≦±5% F.S. L-Alarm 20ppm H-Alarm 50ppm Gas Pump Sampling Method Measuring Range 0-100ppm LCD Display 3200m High Reliability and Self-adaptation Ability