VC-5A1维氏硬度计（手动转塔）
VC-5A1 Vicker's Hardness Tester

VC-5A1维氏硬度计采用精密机械技术和光电技术的新型维氏硬度计。
　　该机内置硬度计算器，可通过输入压痕对角线长度，直接在LCD屏幕上显示硬度值。试验力保持时间，以LCD显示。测量系统采用独特的测微目镜一次测量读数机构，使用方便，测量精度高。
　　硬度计配可选摄影装置，能对所测压痕和材料金相组织进行拍摄，适用于测量微小、薄形试件、表面渗镀处理后的零件，是科研机构、工厂及质检部门进行研究和检测的理想的硬度测试仪器。
     　　Vicker's Low Load Hardness Tester Model VC-5A1 is a new hi-tech product integrating precision mechanical and photoelectrical technologies.
The following highlight some key features and functions of this tester:
--Micro computer control;
--Adjustment of lighting source via soft keys;
--Adjustment of pressure holding time and LED display;
--Unique measurement conversion device and unique micro eyepiece one-time measurement readout device, ensuring easy use and high accuracy;
--Camera for indention photographing and metallography
The tester is specially designed for testing minute, thin samples or parts after surface coating.  For research institutes, factories labs and QC departments, this is an ideal harness testing instrument for research or measuring purposes
 
 
试验力:  2.94N(0.30Kgf),9.80N(1Kgf),29.4N(3Kgf),49.0N(5Kgf)
示值允许差: ±3.0%
试验力施加方法:自动加御试验力
测量显微镜放大倍率:200x(for measuring) 100x(for observation)
试验力保荷时间:5-60s(范围以5秒为单位)
最小检测单位:0.5μm
试件最大高度:85mm
压头中心到机壁最大距离:120mm
主机重量:约35kg
电源:AC220V/50HZ
外型尺寸（长×宽×高）：（490×185×515)mm
硬度值范围：
5HV－2500HV Spectifcantions
Testing Pressure:  2.94N(0.35Kgf),9.80N(1Kgf),29.4N(3Kgf),49.0N(5Kgf)
Error Range in Display:  ±3.0%
Pressure Loading & Unloading: 8HV0.3-2500HV10
Magnification of Microscope: 200x(for measuring) 100x(for observation)
Pressure Holding Time:5-60s
Min. Measurable Unit:0.5μm
Max. Height of Sample:85mm
Distance from Indenter's center to outerwall:120mm
Main Body Weight:Appro. 35kg
Power Supply:AC220V/50HZ
Machine Size(L×W×H)(490×185×515)mm