免费中文字幕日韩,日本麻豆一区二区三区视频,欧美一级理论电影,久久久日本,欧美成人免费,国产一区=区,国产一区二区精品在线观看

Welcome toChangzhou Tianrong Testing Technology Co., Ltd! Home |  Contact

Ubbelohde viscometer

Ubbelohde viscometer
Ubbelohde viscometer
Detailed instructions:

Summarize

This instrument is used to test the Ubbelohde viscosity of petroleum, chemical fiber, plastic and other materials. It uses the split-type fully-enclosed air-cooling compressor unit to cool, and can reduce temperature quickly. Besides, the instrument uses the LED to display instrument temperature and the PID to realize automatic control. 

Technical parameter

image