HBRV(M)-187.5型数显布洛维硬度计具有直观的液晶屏显示和单片机控制系统,使硬度测试实现了自动化的操作。本机内置打印机,记录整个测试过程中的主要技术数据。除试台手动升降外,实现了试验力的施加、卸除、硬度值直接显示等自动化运作,本机测试精度高,消除了人为操作误差,是一台机电一体化高科技的硬度测试仪器。所以该机具有较高的测试精度,操作简便、灵敏度高、使用方便,变荷可靠,示值稳定,广泛适用于工厂车间、试验室、大专院校和科研机构。 Model HBRV (M) -187.5 digital Brinell Rockwell & Vickers hardness tester with an intuitive LCD display and single-chip control system. The built-in printer machine to record the entire testing process of the main technical data. Therefore, it has high test accuracy, simple operation, high sensitivity, easy to use, reliable Dutch variant, showing the value of stable, widely used in factory workshops, laboratories, universities and research institutes.
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×
硬度示值读数方式:LCD
Hardness indication:LCD
测量目镜:自动数字式编码器
Measuring eyepiece:Automatic digital encoders
硬度示值最小分辨率(HR):0.1
Degree of hardness miunimum resolution(HR):0.1
总试验力保持时间(s):1-60
Total test force dwell time(s):1-60
试件允许高度(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 valueaccuracy:±1HRrepeatability: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 valueaccuracy(δ/%):±2.5repeatability(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 valueaccuracy(δ/%):±2repeatability(Hcf/%):≤2.5