| 
                                'unknown'
                             | 
                            
                                '?'
                             | 
                        
                        
                            | 
                                'Voltage'
                             | 
                            
                                'V'
                             | 
                        
                        
                            | 
                                'Current'
                             | 
                            
                                'A'
                             | 
                        
                        
                            | 
                                'Time'
                             | 
                            
                                'Secs'
                             | 
                        
                        
                            | 
                                'Frequency'
                             | 
                            
                                'Hertz'
                             | 
                        
                        
                            | 
                                'Resistance'
                             | 
                            
                                'Ohm'
                             | 
                        
                        
                            | 
                                'Conductance'
                             | 
                            
                                'Sie'
                             | 
                        
                        
                            | 
                                'Capacitance'
                             | 
                            
                                'F'
                             | 
                        
                        
                            | 
                                'Inductance'
                             | 
                            
                                'H'
                             | 
                        
                        
                            | 
                                'Energy'
                             | 
                            
                                'J'
                             | 
                        
                        
                            | 
                                'Power'
                             | 
                            
                                'W'
                             | 
                        
                        
                            | 
                                'Charge'
                             | 
                            
                                'C'
                             | 
                        
                        
                            | 
                                'Flux'
                             | 
                            
                                'Vs'
                             | 
                        
                        
                            | 
                                'Volt???MATH???^2???MATH???'
                             | 
                            
                                'V???MATH???^2???MATH???'
                             | 
                        
                        
                            | 
                                'Volt???MATH???^2???MATH???/Hz'
                             | 
                            
                                'V???MATH???^2???MATH???/Hz'
                             | 
                        
                        
                            | 
                                'Volt/rtHz'
                             | 
                            
                                'V/rtHz'
                             | 
                        
                        
                            | 
                                'Amp???MATH???^2???MATH???'
                             | 
                            
                                'A???MATH???^2???MATH???'
                             | 
                        
                        
                            | 
                                'Amp???MATH???^2???MATH???/Hz'
                             | 
                            
                                'A???MATH???^2???MATH???/Hz'
                             | 
                        
                        
                            | 
                                'Amp/rtHz'
                             | 
                            
                                'A/rtHz'
                             | 
                        
                        
                            | 
                                " (means dimensionless - see notes)
                             | 
                            
                             |