EMIN Vietnam Joint Stock Company would like to inform customers, partners 2021 New Year holidays as follows
Day off: From Friday, January 1, 2021 to Sunday, January 3, 2021
Working back day: Monday, January 4, 2021
EMIN inform customers & partners to be proactively in arranging travel times and transactions.
Wish you a Happy New Year!!!
What is the HRC hardness of heat-treated steel? Learn about the hardness of S45C, SCM440, and SKD11, how to evaluate HRC measurement rsults, and the reasons why steel may achieve incorrect hardness after heat treatment.
Rockwell, Brinell, and Vickers are three of the most common hardness testing methods currently used. Learn about the differences in measurement principles, application ranges, and how to choose the right method for each type of material.
HRC, HRB, and HRA all belong to the Rockwell hardness system but are applied to different material groups. Understanding the differences between HRC, HRB, and HRA helps in selecting the correct testing method, accurately reading specifications, and avoiding unnecessary errors in material quality assessment.
Understanding the difference between dBm and dB helps ensure optical measurement data is interpreted consistently and prevents incorrect conclusions during system acceptance testing or maintenance.
Optical power meter used together optical light source, can be applied to determine optical fiber link attenuation — a parameter that reflects the overall quality of the fiber optic cabling system
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