VTSYIQI Infrared CO2 Gas Detector Portable Infrared Carbon Dioxide Gas Detector with Resolution 1ppm Measuring Range 0 to 5000ppm Built-in Micro Sampling Pump Logging Function USB Data Transfer for CO2 Gas Test

VTSYIQI SO2 Gas Monitor Sulfur Dioxide Meter with Measuring Range 0-50ppm Standard 4-20mA and RS485 Output Resolution 0.01ppm Infrared Remote Control Sound & Light Alarm

VTSYIQI Portable Hydrogen Chloride Gas Detector HCL Gas Monitor with Resolution 0.1ppm Accuracy ≤±3% F.S.Measuring Range 0 to 100ppm Resolution 0.1ppm Principle Electrochemical Automatic Data Storage Explosion-Proof Certification

VTSYIQI HCL Gas Detector Portable HCL Detector with Accuracy ≤±3% F.S.Measuring Range 0-100ppm Resolution 0.1ppm Built-in Micro Sampling Pump Principle Electrochemical Built-in Water Vapor Dust Filter LCD Liquid Crystal Display

VTSYIQI C2H2 Gas Detector Handheld Ethyne Gas Leak Detector with Measuring Range 0-50ppm Resolution 0.01ppm Automatic Data Storage Function Built-in Micro Sampling Pump Explosion-Proof Certification for C2H2 Gas Test

VTSYIQI Ethyne Gas Detector Portable C2H2 Gas Detector with Accuracy ≤±3% F.S.Measuring Range 0 to 50ppm Resolution 0.01ppm Built-in Micro Sampling Pump USB Data Transmission Principle Electrochemical Sound Light and Vibration Alarms

VTSYIQI Ethyne Detector C2H2 Gas Monitor with Resolution 0.01ppm Measuring Range 0 to 50ppm Accuracy ≤±3% F.S.Principle Electrochemical Built-in Micro Sampling Pump Sound Light and Vibration Alarms Over 100,000 Sets of Stored Data

VTSYIQI Sulfur Dioxide Detector Portable SO2 Gas Detector with Measuring Range 0-100ppm Sound & Light Alarm Installation Type Wall-Mounted Resolution 0.1ppm Standard 4-20mA and RS485 Output

VTSYIQI Hydrogen Cyanide Gas Detector Portable HCN Gas Detector with Measuring Range 0 to 10ppm Resolution 0.01ppm Accuracy ≤±3% F.S.Response Time ≤30s Built-in Micro Sampling Pump Principle Electrochemical

VTSYIQI HCN Gas Detector Portable Hydrogen Cyanide Gas Monitor with Resolution 0.01ppm Measuring Range 0 to 10ppm Principle Electrochemical Automatic Data Storage Built-in Micro Sampling Pump for HCN Gas Test

VTSYIQI Portable C2H2 Gas Detector Ethyne Gas Leak Detector with Measuring Range 0-100ppm Resolution 0.1ppm Explosion-Proof Certification Built-in Micro Sampling Pump Self-calibrating Function USB Data Transmission for Detecting Gas Leak

VTSYIQI PH3 Gas Detector Phosphine Gas Leak Detector with Measuring Range 0 to 5ppm Resolution 0.01ppm Built-in Micro Sampling Pump Principle Electrochemical Accuracy ≤±3% F.S.Response Time ≤30s for PH3 Gas Test