 
                        
                    
                
 What's the different between ansi and iec standard? 
              
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        Certifications
        
        
        
        
        
        
        
    
 
        
    
  Models
            
          
        
 OP-USB-ANSI
         Complied with ANSI C12.18
        
            
                
                
                
                
                    
                     
                
            
      
          
        
 OP-USB-IEC
         Complied with IEC 62056-21
        
            
                
                
                
                
                    
                     
                
            
      
              
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            Tehnical Specifications
        
            
                
			
                   
              
              Standard  
                  
                      IEC 62056-21(IEC 61107)<br />ANSI C12.18 Type 2<br />DLMS
                   
              
                   
              
              Connector  
                  
                      USB-A 2.0
                   
              
                   
              
              Communication Speed  
                  
                      300bps ~ 57,600bps
                   
              
                   
              
              Magnet Attachment  
                  
                      Magnetic Force N4.0<br />Complied with IEC 62056-21(IEC 61107) or ANSI C12.18
                   
              
                   
              
              Indicators  
                  
                      1 Indicator with dual display:<br />LED Red: Transmitting<br/>LED Green: Receiving
                   
              
                   
              
              Weight  
                  
                      100gr
                   
              
                   
              
              IR Radiation  
                  
                      940nm
                   
              
                   
              
              IR Communication Distance  
                  
                      0 ~ 80mm
                   
              
                   
              
              IR Sensor Wavelength  
                  
                      700~1100nm
                   
              
                   
              
              Voltage  
                  
                      3.3 ~ 5V
                   
              
                   
              
              Cable Length  
                  
                      2 meters (6.5 inch)<br />cable extension available
                   
              
                   
              
              Casing Material  
                  
                      Polycarbonate
                   
              
                   
              
              Protection Class  
                  
                      IP67
                   
              
                   
              
            
        Operating Temperature  
                  
                      -30°C ~ 80°C (-22°F - 176°F)
                   
              dimension
        OP-USB-IEC
               
                
              OP-USB-ANSI
              