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主要参数及其精度:
1、试验负荷: 9.8N(预载) 49N 132N 358N 612N 961N共五
2、压头钢球直径:φ5±0.05mm
&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;φ1.8±0.05mm(石油管道压试验用)
&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;&nbs;φ10±0.05mm(符德标DIN53-456试验用)
3、压痕深度指小分度值: 0.001 mm
4、深度测围: 0.15 mm-0.35 mm
5、试样厚度: 4mm
&nbs;&nbs;&nbs;6、允许试样厚度:60mm
7、试验力值精度:±1%
&nbs;&nbs;&nbs;8、精度:0.001 mm
&nbs;&nbs;&nbs;9、硬度值精度:±2%
10、记时程:10-100秒(球压痕试验),30分钟-(压试验)
11、记时精度: ±0.01S
12、机架变形: ≤0.04 mm
13、精度等:1><>
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