| Compare | Picture | Product | Features |  | 
        
        
          |  |   | PCI8640 | 400KS/s 14-bit 32 or 16 channels Analog Input, 4 channels Analog Output, 8 channels Digital Input/Output, 16-bit Counter |  | 
        
        
          |  |   | PXI8191 | 250KS/s 16-bit 32 channels Isolated Analog Input |  | 
        
        
          |  |   | PXI8622 | 250KS/s 16-bit 32 channels Analog Input, 14 channels Digital Input/Output |  | 
        
        
          |  |   | PCI8191 | 250KS/s or 500KS/s 16-bit 32 channels Isolation Analog Input |  | 
        
        
          |  |   | PCH2153 | 250KS/s 16-bit  32 channels analog input |  | 
        
        
          |  |   | PCI8622 | 250KS/s 16-bit 32 or 16 channels analog input, 16 channels digital input/output, 16-bit counter |  | 
        
        
          |  |   | USB2080/A | 400KS/s 14-bit 32 channels analog input, 8 channels digital input/output |  | 
        
        
          |  |   | PCI8646 | 100KS/s 12-bit 32 channels analog input, 16 channels digital input/output, 1 channel counter |  | 
        
        
          |  |   | PCI8696 | 400KS/s 14-bit 32 channels analog input,16 channels digital input/output, 16-bit counter, pluse function |  | 
        
        
          |  |   | PCI8600 | 100KS/s 12-bit 32 or 16 channels Analog Input, 4 channels Analog Output, 8 channels Digital Input/Output, 16-bit Counter/Timer |  | 
        
        
          |  |   | USB2852 | 250KS/s 16-bit 32 channels analog input,16 channels digital input/output |  | 
        
        
          |  |   | USB2832 | 500KS/s 12-bit 32 channels analog input, 8 channels digital input/output |  | 
        
        
          |  |   | USB2830 | 250KS/s 12-bit 32 channels analog input, 16 channels digital input/output |  | 
        
        
          |  |   | USB2808 | 250KS/s 16-bit 32 channels analog input |  | 
        
        
          |  |   | USB2085 | 250KS/s 16-bit 32 channels analog input, 8 channels digital input/output |  |