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

VTSYIQI Fixed O2 Gas Monitor Oxygen Detector Oxygen Gas Meter with Resolution 0.1%vol H-alarm 23.5%vol L-alarm 19.5%vol Range from 0 to 30%vol Explosion Proof Grade Ex d ⅡC T6 Gb for Detection of Hazardous and Combustible Gas Concentrations

VTSYIQI Fixed Oxygen Detector O2 Gas Meter Monitor with L-alarm 19.5%vol H-alarm 23.5%vol Range from 0 to 30%vol Resolution 0.1%vol Aluminum Shell Material Wall-mounted Installation Method for Gas Detection

VTSYIQI Fixed Oxygen Detector O2 Gas Monitor with Resolution 0.1%vol L-alarm 19.5%vol H-alarm 23.5%vol Range from 0 to 30%vol for Detecting Gas in Refinery Chemical Plant LPG Station Boiler Room Painting Plant

VTSYIQI Fixed Oxygen Gas Detector O2 Gas Meter Monitor with Single input 4~20mA and RS485 Resolution 0.1%vol L-alarm 19.5%vol H-alarm 23.5%vol Range from 0 to 30%vol Die-cast Aluminum Shell Material for Gas Field Spray Paint Gas Detection

VTSYIQI Fixed Oxygen Gas Detector O2 Gas Meter Oxygen Gas Monitor with Range from 0 to 30%vol Resolution 0.1%vol L-alarm 19.5%vol H-alarm 23.5%vol Signal Output 4~20mA or RS485 for Gas Field Spray Paint Gas Detection