cable & circuit testers
extech grt300 earth ground tester 820 hz 0 to 300vac
earth ground tester earth ground resistance range 0.002 0.02 0.2 2k ohms resolution 0.001 to 1k ohms operating frequency 820 hz accuracy 2 percent of reading 3 digits measuring current 2ma earth volts 0 to 300vac display dual line lcd counts 20000 power source 8 1.5 v aa batteries standards en 61010 1 en 61326 1 en 61557 1 en 61557 5 pollution degree 2 safety rating cat iv 300v earth measurement poles 4 auxillary earth bars br b features b ul li accuracy 2 % of reading 3 digits li li earth volts ac 0 to 300vac li li includes carrying case protective rubber holster and 6 1.5 v aa batteries li li item earth ground tester li li display dual line lcd li li gnd . resistance range ohms 0 to 2000 ohms li li measuring current ma less than2ma li li power source 8 1.5 v aa batteries li li power supply 8 aa batteries li li resolution 0.001 to 1k ohms li li resolution ohms 0.01 ohms li li safety rating cat iv 300v li li manufacturers warranty length 1 yr . li li standards en 61010 1 en 61326 1 en 61557 1 en 61557 5 pollution degree 2 li li counts 20000 li li earth measurement poles 4 auxillary earth bars li li measuring frequency 820hz li li earth ground resistance range 0.002 0.02 0.2 2k ohms li li operating frequency 820 hz li li measuring current 2ma li li earth volts 0 to 300vac li ul
extech