| Specification | 
                                                    
                                
                                    
                                                                                     Customized: Customized; 
                                                                                     Portable: Portable; 
                                                                                     Type: Electrochemical Gas Analyzer; 
                                                                                     Working Hours: More Than 24 Hours; 
                                                                                     Print Function: Yes; 
                                                                                     Data Output: WiFi,4G, Bluetooth; 
                                                                                     Sampling Method: Pump; 
                                                                                     Detection Gas Types: up to 30 or More; 
                                                                             
                                 
                             | 
                                                    
                                
                                    
                                                                                     After-sales Service: Yes; 
                                                                                     Warranty: 1 Year; 
                                                                                     Brand: Mantern; 
                                                                                     Customized: Customized; 
                                                                                     Portable: Portable; 
                                                                                     Gas: Co, H2s, O2, Nh3 and Other Gases; 
                                                                                     Type: Electrochemical Gas Analyzer; 
                                                                                     Name: Porable Gas Detector; 
                                                                                     Model: Mtpg07; 
                                                                                     Detecting Gas: Co, CO2, H2s, O2, Lel, Nh3 etc.; 
                                                                                     Alarm Level: ≥90dB; 
                                                                             
                                 
                             | 
                                                    
                                
                                    
                                                                                     Brand: Mantern; 
                                                                                     Customized: Customized; 
                                                                                     Portable: Portable; 
                                                                                     Gas: Co, H2s, O2, Nh3 and Other Gases; 
                                                                                     Type: Electrochemical Gas Analyzer; 
                                                                             
                                 
                             | 
                                                    
                                
                                    
                                                                                     Brand: Mantern; 
                                                                                     Customized: Customized; 
                                                                                     Portable: Portable; 
                                                                                     Gas: Co, H2s, O2, Nh3 and Other Gases; 
                                                                                     Type: Electrochemical Gas Analyzer; 
                                                                             
                                 
                             | 
                                                    
                                
                                    
                                                                                     After-sales Service: Contact Customer Service; 
                                                                                     Warranty: 1 Year; 
                                                                                     Brand: Veinasa; 
                                                                                     Customized: Customized; 
                                                                                     Portable: Non Portable; 
                                                                                     Gas: CO2, Formaldehyde, Tvoc, Laser Dust Pm2.5, Pm10 PA; 
                                                                                     Type: 7-in-1; 
                                                                                     Product Name: 7 in 1 Air Quality Detection Module; 
                                                                                     CO2 Range: 400ppm~5000ppm; 
                                                                                     CH2o Range: 0ug~2000ug/M³; 
                                                                                     Tvoc Range: 0ug~5000ug/M³; 
                                                                                     Pm2.5 Range: 0ug/M3-999ug/M³; 
                                                                                     Pm10 Range: 0ug/M3-1000ug/M³; 
                                                                                     Temperature Range: -40ºC-100ºC; 
                                                                                     Humidity Range: 0-100%; 
                                                                             
                                 
                             |