VTSYIQI Fixed HCN Gas Detector Hydrogen Cyanide Gas Leak Detector with Sound & Light Alarm Measuring Range 0-100ppm Resolution 0.1ppm Wall-Mounted Installation Type Standard 4-20mA and RS485 Output

VTSYIQI Fixed Hydrogen Detector H2 Gas Concentration Detecting Instrument with Measuring Range 0-1000ppm Aluminum Shell Wall-Mounted Resolution 1ppm L-Alarm 50ppm H-Alarm 150ppm

VTSYIQI Fixed Hydrogen Detector H2 Gas Tester Monitor with Measuring Range 0 to 1000ppm Resolution 1ppm Single Input 20mA and RS485 L-Alarm 50ppm H-Alarm 150ppm

VTSYIQI Fixed Hydrogen Detector Hydrogen Analyzer Hydrogen Gas Monitor with Measuring Range 0-5000ppm 4-20mA and RS485 Output Sound & Light Alarm Die-cast Aluminium Shell

VTSYIQI Fixed Infrared CH4 Gas Detector Methane Gas Detector CH4 Gas Leak Alarm Monitor with Range 0-5%vol Resolution 0.01vol for Gas Field Aquaculture Gas Test

VTSYIQI Fixed NH3 Gas Detector Ammonia Detector with Resolution 0.1ppm Measuring Range 0-200ppm Wall Mounted Installation Sound & Light Alarm Diffusion Sampling Method 2G and 4G Wireless Signal Transmission Brightness Digital Tube Display

VTSYIQI Fixed NH3 Gas Detector Ammonia Gas Detector with Sound and Light Alarm Measuring Range 0-100ppm Resolution 0.1/1ppm Installation Method Wall-mounted L-alarm 20ppm H-alarm 50ppm

VTSYIQI Fixed Nitric Oxide Gas Detector NO Gas Detector with Sound & Light Alarm Measuring Range 0-200ppm Resolution 0.1ppm Wall-Mounted Installation Infrared Remote Control Wireless Transmission Diffusion Sampling Method

VTSYIQI Fixed Nitrogen Gas Detector Digital Nitrogen Detector with Sound & Light Alarm Measuring Range 0-100% VOL Resolution 0.01% VOL Standard 4-20mA and RS485 Output

VTSYIQI Fixed Nitrogen Gas Detector N2 Gas Detector with Diffusion Sampling Method Measuring Range 0-100% VOL Resolution 0.01% VOL Sound & Light Alarm 4-20mA and RS485 Output Can Be Used in Low-temperature Environments Vapour Filter Cartridges

VTSYIQI Fixed NO2 Gas Detector Nitrogen Dioxide Gas Detector with Resolution 0.01ppm Sound & Light Alarm Measuring Range 0-50ppm Infrared Remote Control Die-cast Aluminium Shell Electrochemical Principle for NO2 Gas Test

VTSYIQI Fixed O2 Gas Detector Oxygen Gas Meter with L-alarm 19.5% H-alarm 23.5%vol Resolution 0.1%vol Range from 0 to 30%vol Wall-mounted Installation Method for Gas Detection in the Metallurgical Petroleum Chemical Municipal and Other Industries