surface tester

The liquid surface tension tester based on the new method consists of a single chip microcomputer, an automatic detector and a driving unit. With the new tester, the testing process can be finished in 5s and the testing results are satisfactory.

基于新方法的液体表面张力快速测定仪由单片机数据采集单元、自动探头及驱动单元三大部分构成，全部测试过程可在5s中内完成，且可得到满意的测试结果。

By means of the methods of DTA-TGA, infrared spectroscope and optical microscope, we made a series of investigations on heat effected surface layer of the friction material which was made from basic trinal formula and had undergone a friction test on the constant speed type friction tester.

本文通过差热-热失重分析、红外光谱分析和光学显微观察等手段，对经过定速式试验机摩擦试验的石棉-树脂-填料三元基础配方材料的热影响表面层进行了研究。

The enamel surface microhardness was measured by a Leitzs microhardness tester.

采用维氏显微硬度仪测定经饮料浸泡后牙釉质表面显微硬度的变化.

In order to conveniently and quantitatively test the surface shape of large aperture optics, a digital knife-edge tester is integrated with a traditional knife-edge tester, CCD image processing and a computer aid calculation.

为便捷地定量检测大口径光学元件面形，运用数字刀口检测技术，把传统刀口仪与CCD图像采集处理、计算机辅助计算相结合，构成数字刀口仪。

This tester is provided with a " Guard " terminal to prevent errors due to surface leakage.

本仪表装有 保护环 接线柱,用以纠正因表面漏电而造成的误差.