1623单键测量3极和4极法接地电阻测量2极法测量交流电阻选择法测试,无需断开接地连接(1支电流钳)无辅助极法,快速测试接地环路(2支电流钳)128Hz的测量频率16253极法和4极法接地电阻测量4极法测量土壤电阻系数2极法测量交流电阻2极法和4极法测量直流电阻选择法测试,无需断开接地连接(1支电流钳)无辅助极法,快速测试接地环路(2支电流钳)测量55Hz下的接地阻抗自动频率控制(AFC)(94、105、111、128Hz)测量电压可切换20/48V可编程限值、设置带蜂鸣声提示的通断性测试RA3极法接地电阻测量(IEC1557-5)测量电压Fluke1623Vm=48VacFluke1625Vm=20/48Vac短路电流Fluke1623 50mAFluke1625250mAac测量频率Fluke1623128HzFluke162594、105、111、128Hz分辨力Fluke16230.001?~10?Fluke16250.001?~100?测量量程Fluke16230.001?~19.99k?Fluke16250.001?~299.9k?基本误差Fluke1623 (2%读数+3个字)Fluke1625 (2%读数+2个字)工作误差Fluke1623 (5%读数+3个字)Fluke1625 (5%读数+5个字)RA4极法接地电阻测量(IEC1557-5)测量电压Fluke1623Vm=48VacFluke1625Vm=20/48Vac短路电流Fluke1623 50mAFluke1625250mAac测量频率Fluke1623128HzFluke162594、105、111、128Hz分辨力Fluke16230.001?~10?Fluke16250.001?~100?测量量程Fluke16230.001?~19.99k?Fluke16250.001?~299.9k?基本误差Fluke1623 (2%读数+3个字)Fluke1625 (2%读数+2个字)工作误差Fluke1623 (5%读数+3个字)Fluke1625 (5%读数+5个字)RA3极法测量接地电阻,使用电流钳测量电压Fluke1623Vm=48VacFluke1625Vm=20/48Vac短路电流Fluke1623 50mAFluke1625250mAac测量频率Fluke1623128HzFluke162594、105、111、128Hz分辨力Fluke16230.001?~10?Fluke16250.001?~10?测量量程Fluke16230.001?~19.99k?Fluke16250.001?~29.99k?基本误差Fluke1623 (7%读数+3个字)Fluke1625 (7%读数+2个字)工作误差Fluke1623 (10%读数+5个字)Fluke1625 (10%读数+5个字)RA4极选择法测量接地电阻,使用电流钳测量电压Fluke1623Vm=48VacFluke1625Vm=20/48Vac短路电流Fluke1623 50mAFluke1625250mAac测量频率Fluke1623128HzFluke162594、105、111、128Hz分辨力Fluke16230.001?~10?Fluke16250.001?~10?测量量程Fluke16230.001?~19.99k?Fluke16250.001?~29.99k?基本误差Fluke1623 (7%读数+3个字)Fluke1625 (7%读数+2个字)工作误差Fluke1623 (10%读数+5个字)Fluke1625 (10%读数+5个字)无辅助极法测量电压Fluke1623Vm=48VacFluke1625Vm=20/48Vac测量频率Fluke1623128Hz(根据要求可提供125Hz)Fluke162594、105、111、128Hz噪声电流(Iext)Fluke1623Max.Iext=10A(ac)(RA 20?)Max.Iext=2A(ac)(RA 20?)Fluke1625Max.Iext=3A分辨力Fluke16230.001?~0.1?Fluke16250.001?~10?测量量程Fluke16230.001?~199.9k?Fluke16250.001?~29.99k?基本误差Fluke1623 (7%读数+3个字)Fluke1625 (7%读数+2个字)工作误差Fluke1623 (10%读数+5个字)Fluke1625 (10%读数+5个字)