| Sampling Method | Diffusion | 
                                                                            
                                            | Working conditions | 
     
      | Temperature | -20 to 50°C |  
      | Pressure | 0.9 to 1.1 (standard atmospheric pressure) |  
      | Humidity | 10 to 95 % RH (no dew condensation) |  | 
                                                                            
                                            | Explosion proof grade | Exia II CT3 | 
                                                                            
                                            | Protection grade | IP65 | 
                                                                            
                                            | Charging time | 4 to 6 h | 
                                                                            
                                            | Working time of battery | > 8 h (non-alarm state) | 
                                                                            
                                            | Type of battery | Lithium battery | 
                                                                            
                                            | Length of Pump pipe | < 1 meter | 
                                                                            
                                            | Measurement principle of sensor | Electrochemical, catalytic combustion | 
                                                                            
                                            | Power supply | Lithium battery (DC 3.7V, 2400mAh) | 
                                                                            
                                            | Dimension (host machine) | 85 × 153 × 50 mm | 
                                                                            
                                            | Dimension (hand shake of gas pump) | 45 × 239 × 28 mm | 
                                                                            
                                            | Weight (host machine) | About 300 g | 
                                                                            
                                            | Weight (hand shake of gas pump) | About 80 g | 
                                                                            
                                            | HS Code | 9027100090 | 
                                                                    
                            
                         
                                            
                            
                                                                        -  Portable, lightweight design
 
-  Save power by adjusting back light brightness 
 
-  Electrochemical, catalytic combustion, imported sensor
 
-  Can set Upper/Lower alarm limits for better operations
 
-  Alarm with LED buzzer, vibration alerts when gas spikes are detected
 
-  Automatic battery detection (under-voltage indication)
 
-  Stores test memory data, alarm data
 
                                            
                            
     
      | Accessories No. | Name | 
     
      | 1 | Hand held gas pump | 
    
                         
                                            
                            Used for simultaneous field detection of H2S, CO, O2, CH4 across mining, environmental industry, waste management plants, petroleum testing units, gas and chemical industry.