VTSYIQI O3 Gas Detector Ozone Gas Detector with Measuring Range 0-10ppm Resolution 0.01ppm Sound & Light Alarm 4-20mA and RS485 Output Infrared Remote Control Record Storage for Real-time Viewing Electrochemical Principle

VTSYIQI Ozone Gas Detector Ozone Concentration Test with Measuring Range 0-20ppm Resolution 0.01ppm Standard 4-20mA and RS485 Output Detection Principle Electrochemical Principle Sound & Light Alarm

VTSYIQI Hydrogen Gas Leak Detector Hydrogen Gas Alarm with Measuring Range 0-2000PPM Resolution 1PPM Built-in Micro Sampling Pump Data Logging Function Accuracy ≤±3% FS

VTSYIQI H2 Gas Detector Portable Hydrogen Gas Detector with Measuring Range 0-2000ppm Resolution 1ppm Data Logging Function Built-in Micro Sampling Pump Accuracy ≤±3% F.S.Built-in Water Vapor Dust Filter

VTSYIQI Ozone Gas Detector O3 Leak Detector with Measuring Range 0-20ppm Resolution 0.01ppm 4-20mA and RS485 Output Sound & Light Alarm Protection Class IP65 High Brightness Digital Tube Display Electrochemical Principle

VTSYIQI Ozone Gas Leak Detector Portable O3 Gas Detector with Measuring Range 0-50ppm Sound & Light Alarm Resolution 0.01ppm Standard 4-20mA and RS485 Output Wall-Mounted Installation

VTSYIQI Portable H2 Gas Detector Hydrogen Analyzer with Measuring Range 0-5000PPM Resolution 1PPM Data Logging Function Built-in Micro Sampling Pump Detection Principle Electrochemical Principle

VTSYIQI Hydrogen Leak Detector H2 Hydrogen Gas Tester with Measuring Range 0-5000ppm Resolution 1ppm Accuracy ≤±3% F.S.Principle Electrochemical USB Interface Built-in Micro Sampling Pump

VTSYIQI O3 Gas Detector Ozone Gas Tester with Measuring Range 0-50ppm Resolution 0.01ppm Infrared Remote Control Electrochemical Principle Sound & Light Alarm 4-20mA and RS485 Output for O3 Gas Test

VTSYIQI Portable Ozone Gas Detector O3 Gas Monitor with Measuring Range 0-100ppm Resolution 0.1ppm  Sound & Light Alarm Standard 4-20mA and RS485 Output Wall-Mounted Installation

VTSYIQI Formaldehyde Gas Detector Portable CH2O Gas Detector with Measuring Range 0-10ppm Resolution 0.01ppm Accuracy ≤±3% F.S.Principle Electrochemical Built-in Micro Sampling Pump LCD Liquid Crystal Display

VTSYIQI CH2O Leak Detector Portable Formaldehyde Gas Detector with Measuring Range 0-50ppm Resolution 0.01ppm Response Time ≤30s Built-in Micro Sampling Pump Data Logging Function Principle Electrochemical