供应希玛接地电阻测试仪

groundresistancemeterar910measuringrange接地电阻(resistance):0&omega；-1999&omega；接地电压(voltage):0-199.9v测量范围accuracy接地电阻(resistance):±；2%rdg±；0.1(20&omega；)±；2%rdg±；3dgt(200&omega；/2000&omega；)接地电压(voltage):±；1%rdg±；4dgt测量精度overloadprotection接地电阻(resistance):280vac/dcfor10sec接地电压(voltage):300vac/dcfor1min过载保护measuringmethodvoltage/resistance测量方式接地电压/接地电阻withstandvoltage3700vacperminute耐压3700vac每分钟saftystandardiec61010-1cat.iii300vpollutionleveliiiec61557安全标准iec61010-1cat.iii300v污染度2级iec61557power9vdcr6p(sum-3)*6电源standardaccessory7095line*1pcs、7094line*1pcs、8032ironstick1pair、r6p(aa)*6pcs、usersmanual*1pcs标准配件7095线1套、7094线1套、8032接地棒1对、r6p(aa)*6节、使用说明书