â·ÃÊͺ¶ÒÁÃÒ¤Ò With 4-wire Kelvin clip test leads, the Extech 380562 provides resolution measurements down to 0.01m. 380562: High Resolution Precision Milliohm Meter (220VAC) Benchtop meter provides resolution down to 0.01mOhm Features: 7 ranges for wide low resistance measurements High resolution to 0.01mOhm 1999 count display with 0.8" digits 4-wire test cable with Kelvin clip connectors Automatic zero Built-in comparator for Hi/Lo/Go resistance testing or selection Specifications: Specifications Range Resolution Current Accuracy (%rdg) Resistance 20m 0.01 1A ±(0.2% + 6d) 200m 0.1m 1A ±(0.2% + 4d) 2 0.001 100MA ±(0.2% + 4d) 20 0.01 10MA ±(0.2% + 4d) 200 0.1 1MA ±(0.2% + 4d) 2k 0.001k 100μA ±(0.2% + 4d) 20k 0.1k 10μA ±(0.2% + 4d) Power 110VAC, 60Hz or 220VAC 50 Dimensions/Weight 11 x 8.3 x 3.5" (280 x 210 x 90mm)/ 4.85lb (2.2kg 380562 Extech Milliohm Meter Power Analyzer à¤Ã×èͧÇÔà¤ÃÒÐËì¡ÓÅѧ俿éÒ