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\rMS2302 <\/span><\/span><\/strong>数字接地电阻测试仪<\/span><\/strong><\/span><\/strong><\/span>\r<\/p>\r \r一般特征：<\/span><\/span>\r<\/p>\r \r数字式显示且带模拟条显示。<\/span><\/span>\r<\/p>\r \r二极法和三极法两种接地电阻测量模式。<\/span> <\/span>\r<\/p>\r \r接地电阻测量是采用恒流转换法，电流约为<\/span>3mA,<\/span><\/span>测试电压约为<\/span>47V<\/span><\/span>，<\/span>800HZ<\/span><\/span>。<\/span><\/span>\r<\/p>\r \r接地电压测量采用平均值整流法。<\/span><\/span><\/span>\r<\/p>\r \r具有手动<\/span>/<\/span><\/span>自动量程功能。<\/span><\/span>\r<\/p>\r \r最大值<\/span>/<\/span><\/span>最小值<\/span>/<\/span><\/span>平均值测量和相对值测量。<\/span><\/span>\r<\/p>\r \r自动关机功能。<\/span><\/span>\r<\/p>\r \r具有数据保存功能可以保存<\/span>100<\/span><\/span>组测量数据。<\/span><\/span>\r<\/p>\r \r带背光，具有低电压显示。<\/span><\/span>\r<\/p>\r \r电源：<\/span> 1.5V ( AA )<\/span><\/span> <\/span>× 6<\/span>。 <\/span><\/span><\/span>\r<\/p>\r \r <\/span>\r<\/p>\r \r技术指标：<\/span><\/span>\r<\/p>\r \r <\/span><\/span>\r<\/p>\r \r \r<\/p>\r \r <\/span><\/span>\r<\/p>\r \r接地电阻<\/span><\/span>\r<\/p>\r \r <\/span><\/span>\r<\/p>\r<\/td>\r \r范围<\/span><\/span>\r<\/p>\r<\/td>\r \r精度<\/span><\/span>\r<\/p>\r<\/td>\r<\/tr>\r \r0~29.99<\/span>W<\/span><\/span><\/span>\r<\/p>\r<\/td>\r \r±3<\/span><\/span>%<\/span>±<\/span><\/span>3<\/span>字<\/span><\/span>\r<\/p>\r<\/td>\r<\/tr>\r \r30~99.9<\/span><\/span>W<\/span><\/span><\/span>\r<\/p>\r<\/td>\r \r±3<\/span><\/span>%<\/span>±<\/span><\/span>3<\/span>字<\/span><\/span>\r<\/p>\r<\/td>\r<\/tr>\r \r100~4k<\/span>W<\/span><\/span><\/span>\r<\/p>\r<\/td>\r \r±3<\/span><\/span>%<\/span>±<\/span><\/span>3<\/span>字<\/span><\/span>\r<\/p>\r<\/td>\r<\/tr>\r \r对地电压<\/span><\/span>\r<\/p>\r<\/td>\r \r200V(AC)<\/span><\/span>\r<\/p>\r<\/td>\r \r±1<\/span><\/span>%<\/span>±<\/span><\/span>5<\/span>字<\/span><\/span>\r<\/p>\r<\/td>\r<\/tr>\r<\/tbody>\r<\/table><\/div>
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