Gas Detector, Gas Analyzer, Gas Alarm manufacturer / supplier in China, offering Ms400-S Versatile Gas Detector for Electrochemical, Infrared, and Pid-Based Detection in Firefighting, Rescue, and Occupational Health Scenarios, Ms400-S Four-in-One Gas Detection Instrument with Replaceable Digital Sensor Modules for Flexible Monitoring in Harsh Environments, Ms400-S Portable Gas Detector Featuring Pid Photoionization and Thermal Conductivity Sensors for Comprehensive Industrial Applications and so on.