主要技术参数 |
Main technical parameters |
初试验力(N):98 |
Preliminary test force(N):98 |
总试验力 |
Total test force |
维氏硬度试验(N):294、588、980 |
Vickers hardness test(N):294、588、980 |
洛氏硬度试验(N):588、980、1471 |
Rockwell hardness test(N):588、980、1471 |
布氏硬度试验(N):306、613、1839 |
Brinell Hardness test(N):306、613、1839 |
显微镜放大倍率:37.5×、75× |
magnification of microscope:37.5×、75× |
测微鼓轮最小分度值: |
Measure tiny drum wheel minimum scale division value: |
37.5×时为0.004毫米 |
0.004mm for 37.5× |
75×时为0.002毫米 |
0.002mm for 75× |
总试验力保持时间(s):1-30 |
Total test force dwell time(s):1-30 |
试件允许最大高度(mm):170 |
Max height of speciments(mm):170 |
压头中心到机身距离(mm):140 |
Distance from indeneter, s center to outerwall(mm):140 |
硬度计外形尺寸(mm):463×241×660 |
Machine size(mm):463×241×660 |
电源电压:AC220V |
Power supply:AC220V |
光源电压:5V/5W |
Light voltage:5V/5W |
仪器重量(kg):75 |
Weight(kg):75 |
硬度测试范围 |
Degree of hardness test seope |
洛氏硬度试验 |
Rockwell hardness test |
(70-85)HRA |
(70-85)HRA |
(30-100)HRB |
(30-100)HRB |
(20-67)HRC |
(20-67)HRC |
示值精度:±1HR 示值重复性:0.8HR |
Show value accuracy:±1HR repeatability:0.8HR |
布氏硬度试验 |
Vickers Hardness test |
(8-650)HB |
(8-650)HB |
示值精度(δ/%):±2.5 示值重复性(Hcf/%):≤3.0 |
Show value accuracy(δ/%):±2.5 repeatability(Hcf/%):≤3.0 |
维氏硬度试验 |
Vickers hardness test |
(14-1000)HV |
(14-1000)HV |
示值精度(δ/%):±2 示值重复性(Hcf/%):≤2.5 |
Show value accuracy(δ/%):±2 repeatability(Hcf/%):≤2.5 |