... : 0.01 to 20 K ohmsAutomatic shutdown function, to save battery powerCAT IV 600 V measurement level of security, improve the ... system can use the optional, hands free for other jobs4 AA alkaline batteries (NEDA 15 A or IEC LR6), at least 1000 ... seconds to open, 25 seconds off.Resistance measurements: the new battery at room temperature at least 2500 grounding resistance measurement.Testing ...