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 H2O2 Detector Hydrogen Peroxide Gas Detector with Measuring Range 0 to 1000ppm Resolution 1ppm Built-in Micro Sampling Pump Automatic Data Storage Audible and Visual Alarm USB Data Transmission for Detecting Gas Leak

VTSYIQI H2O2 Gas Detector Hydrogen Peroxide Gas Leak Detector with Measuring Range 0 to 50ppm Resolution 0.01ppm Temperature and Pressure Compensation Built-in Micro Sampling Pump Explosion-Proof Certification USB Interface

VTSYIQI H2O2 Gas Detector Portable Hydrogen Peroxide Detectors with Measuring Range 0 to 200ppm Resolution 0.1ppm USB Data Transfer Temperature and Pressure Compensation Principle Electrochemical Sound Light and Vibration Alarms

VTSYIQI H2S Gas Detector Fixed Hydrogen Sulphide Detector with Resolution 0.1ppm Measuring Range 0-100ppm H-alarm 20ppm L-alarm 10ppm Display Screen for Detecting Gas in Refinery Chemical Plant LPG Station Boiler Room Painting Plant

VTSYIQI H2S Gas Detector Fixed Hydrogen Sulphide Gas Leak Alarm Monitor with Measuring Range 0-100ppm Resolution 0.1ppm L-alarm 10ppm H-alarm 20ppm Wall-mounted Installation Method for Continuous Monitoring of Measurable Gases in Industrial Environments

VTSYIQI H2S Gas Detector Hydrogen Sulfide Gas Leak Alarm H2S Gas Monitor with Measuring Range 0 to 200PPm Resolution Ratio 1/0.1PPm for Chemical Industry Warehouse

VTSYIQI H2S Gas Detector Hydrogen Sulfide Gas Leak Alarm H2S Gas Monitor with Measuring Range 0 to 5000PPm Resolution Ratio 1/0.1PPm for Biogas Gas Test

VTSYIQI H2S Gas Detector Hydrogen Sulfide Gas Leak Detector with L-alarm 10ppm H-alarm 20ppm Measuring range from 0 to 100ppm Resolution 0.1ppm Output Current 4-20mA for Gas Test of Refinery Chemical Plant Boiler Room

VTSYIQI H2S Gas Detector Hydrogen Sulfide Single Gas Detector with Range 0-100ppm Resolution 0.1ppm L-alarm 10ppm H-alarm 20ppm Gas Pump Sampling Method for Testing Combustible Gas and Toxic Gas Other Rare Toxic Gas

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

VTSYIQI H2S Hydrogen Sulfide Gas Detector Monitor H2S Gas Leak Alarm Hydrogen Sulfide Gas Concentration Measurement with Measuring Range 0 to 1000PPm Resolution Ratio 1/0.1PPm for Boiler Room Gas Detection