DIGITAL MULTIMETER DT4221

DC voltage 600.0 mV to 600.0 V, 4 ranges, Basic accuracy: ± 0.5 % rdg. ± 5 dgt. AC voltage 40 to 500 Hz 6.000 V to 600.0 V, 3 ranges, Frequency characteristics: 40 Hz - 1 kHz Basic accuracy: ± 1.0 % rdg. ± 3 dgt. ( True RMS, crest factor 3) Resistance N/ A C ( capacitance) 1.000 nF to 100.0 mF, 9 ranges, Basic accuracy: ± 1.0 % rdg. ± 5 dgt. Frequency AC V measurement: 99.99 Hz ( 5 Hz or more) to 9.999 kHz, 3 ranges Basic accuracy: ± 0.1 % rdg. ± 2 dgt. Continuity check Continuity threshold [ ON] : 25 © or less ( buzzer sound) , [ OFF] : 245 © or more Response time: 0.5 ms or more Diode test Open terminal voltage: 2.5 V or less, Testing current 0.5 mA or less, Threshold of forward voltage: 0.15 V to 1.5 V Voltage detection 80 V to 600 V AC Other functions Filter function, Display value hold, Relative display, Auto-power save Display Main and sub displays: 4-digits LCD, max. 6000 digits, bar graph Display refresh rates 5 times/ s ( Capacitance measurement: 0.05 to 5 times/ s, depending on measured value, Frequency: 1 to 2 time/ s ) Power supply LR03 alkaline batteries × 1, Continuous use: 40 hours ( back light OFF) Dimensions and mass 72 mm ( 2.83 in) W × 149 mm ( 5.87 in) H× 38 mm ( 1.50 in) D, 190 g ( 6.7 oz) ( with batteries and holster) Accessories Test Lead DT4911 × 1, Holster × 1, Instruction manual × 1, LR03 alkaline battery × 1