| Measuring function | 
            Leakage current, Harmonic current(Fundamental and third harmonics) | 
        
        
            | Measuring method | 
            Dual slope integration mode | 
        
        
            | Measuring range | 
            AC 0-300μA/3mA/30mA(3range manual) | 
        
        
            | Input frequency | 
            45-60Hz(Fundamental frequency) | 
        
        
            | AC conversion | 
            AC coupled true rms responding | 
        
        
            | A/D conversion | 
            Dual slope integration mode | 
        
        
            | Display | 
            LCD Max. 3200 count | 
        
        
            | Sampling rate | 
            2 times/sec | 
        
        
            | Over indication | 
            "OL" mark on LCD | 
        
        
            | Low battery Indication | 
            "Low" mark on LCD | 
        
        
            | Data hold function | 
            "DH" mark on LCD | 
        
        
            | Auto power off | 
            Approx.10 minutes later after power on | 
        
        
            | Power supply | 
            AA size Alkaline battery × 4 | 
        
        
            | Limitation of circuit voltage | 
            Less than 500V AC | 
        
        
            | Operating Temperature | 
            0~40℃, less than 80%RH, w/o condensation | 
        
        
            | Storage Temperature | 
            -10~60℃, less than 70%RH, w/o condensation | 
        
        
            | Dimensions | 
            160(W)×950(L)×84(D)(When retracted) 
            160(W)×3680(L)×84(D)(When stretched) | 
        
        
            | Weight | 
            Approx. 2.6kgs |