Elcometer501类似，利用同样的铅笔方法，由阳极氧化铝制的电动装置，可匀速前进（开裂法）或后退（刻痕法）--可进一步提高测试的重复性。Elcometer3086电动铅笔硬度测试仪型号说明零件编号UK240VEUR200VUS110VElcometer3086/1Elcometer3086电动铅笔硬度测试仪220VK0UK3086M001K0003086M001K0US3086M001附件备用笔杆KT003084P020铅芯--见下表说明零件编号说明零件编号硬度笔芯6BKT003084P001硬度笔芯FKT003084P008硬度笔芯5BKT003084P002硬度笔芯HKT003084P009硬度笔芯4BKT003084P003硬度笔芯2HKT003084P010硬度笔芯3BKT003084P004硬度笔芯3HKT003084P011硬度笔芯2BKT003084P005硬度笔芯4HKT003084P012硬度笔芯BKT003084P006硬度笔芯5HKT003084P013硬度笔芯HBKT003084P007硬度笔芯6HKT003084P014