| Output frequencies | 82.175 kHz +/- .02% | 
                                                        
                                | Output power | 1 watt maximum | 
                                                        
                                | Operating modes | Direct connection mode, inductive mode and external coil clamp mode | 
                                                        
                                | Battery Type | Six alkaline LR20 D | 
                                                        
                                | Battery life | Direct mode: 50 hours - output 4 mA, 68°F (20°C); Inductive mode: 20 hours - output 50%, 68°F (20°C); Full power: (1 W): 2 hours, 68°F (20°C) | 
                                                        
                                | Battery status | Low battery indication and press key readout | 
                                                        
                                | Visual indication | Internal speaker: alarm and beeping sounds | 
                                                        
                                | Audio indication | Internal speaker: alarm and beeping sounds | 
                                                        
                                | Measuring function | Output current: 0 mA - 300 mA, line voltage: 0 V to 250 V | 
                                                        
                                | Output protection | AC 250 V | 
                                                        
                                | Operating temperature | 4°F - 122°F (-20°C - 50°C) | 
                                                        
                                | Dimensions | 9.61 in x 12.4 in x 3.62 in (24 cm x 31.5 cm x 9.2 cm) | 
                                                        
                                | Weight | 5.8 lb (2.6 kg) including six batteries |