ALL SUN EM480B Audio Impedance Tester Portable Insulation CATIII Test Ranges 20/200/2000 Resistance Meter 1KHz Timer Fun

Features True measurement of speaker systems actual impedance at 1kHz Three test ranges 20 200 2000 allow testing of home theater and commercial sound systems Convenient protable battery operation Low battery indication Data hold function Timer function for easier operation The timer can last about 30 secondsminutes after users press TEST button Auto power off after about 15 minutes of nonz use Accuracy is specified for a period of one year after calibration and at 18℃ to 28℃ with relative humidity 75 Specification Range 20 200 2000Resolution 10m 100m 1Accuracy 2 2 or0 1 Test Frequency 1kHzSize 168 x 110 x 62mm Package included 1 x Resistance Meter Details pictures