VTSYIQI Hydrogen Cyanide Gas Detector Portable HCN Gas Leak Alarm with Resolution 0.1ppm Measuring Range 0 to 50ppm L-alarm 5ppm H-alarm 10ppm Explosive Proof Housing Display Screen for Gas Test of Refinery Chemical Plant Boiler Room

VTSYIQI Portable HCN Detector Hydrogen Cyanide Gas Leak Alarm with Measuring Range 0 to 50ppm Resolution 0.1ppm L-alarm 5ppm H-alarm 10ppm Display Screen for Combustible and Toxic Gas Leakage Detection in Underground Pipe or Mines

VTSYIQI Portable VOCS Gas Detector VOCS Gas Leak Alarm with Resolution 1ppm Measuring Range 0-100ppm Self-adjustment Function LCD Display Response time T＜30s

VTSYIQI VOCS Gas Detector Handheld Volatile Organic Compounds Detector with Measuring Range 0-100ppm Resolution 1ppm LCD Display Self-adjustment Function Adjustable Low and High Alarm Level

VTSYIQI VOCS Detector Handheld VOCS Gas Detector Monitor with Explosive Proof Housing Measuring Range 0-100ppm LCD Display Resolution 1ppm Self-adjustment Function

VTSYIQI Portable VOCS Detector Volatile Organic Compounds Gas Detector with Visual and Audible Alarm Resolution 1ppm Measuring Range 0-100ppm LCD Display Explosive Proof Housing

VTSYIQI VOC Gas Detector Volatile Organic Compounds Detector with Measuring Range 0 to 100ppm Resolution 1ppm Good Sensitivity and Reproducibility LCD Display for Detecting Gas Leaks

VTSYIQI VOC Detector VOC Gas Leak Detector with Measuring Range 0 to 100ppm Resolution 1ppm High Concentration Protection Visual and Audible Alarm for Combustible Gas

VTSYIQI Portable VOC Detector Volatile Organic Compounds Detector with Measuring Range 0 to 100ppm Resolution 1ppm Visual and Audible Alarm Explosion-Proof Parameters Ex Ib IIB T3 Gb

VTSYIQI Portable VOC Detector Volatile Organic Compounds Gas Detector with Measuring Range 0 to 100ppm Resolution 1ppm Etector Adopts Embedded MCU Controller Easy to Operate

VTSYIQI Volatile Organic Compounds Detector VOC Detector with LCD Display Resolution 1ppm Measuring Range 0 to 100ppm Response Time T＜30s Accuracy ≦ 5% F.S. Self-Adjustment Function Visual and Audible Alarm

VTSYIQI H2S Gas Detector Pump Suction Type Hydrogen Sulfide H2S Gas Concentration Measurement with Measuring Range 0 to 5000PPm Resolution Ratio 1/0.1PPm for Gas Field Gas Test