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FAQ of VM500 Auto focus Vision Microscope

FAQ of VM500 Auto focus Vision Microscope

23/05/2019 17:10

FAQ of VM-500 Autofocus Vision Microscopes 1.What is the reason the customers prefer to buy the autofocus vision microscope VM-500? Answer: the three key reasons as follows: 1.1    VM500 HDMI camera resolution is 2MPixel with 30 frames , it is lessen than 0.5s to finish the auto focus, the …

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FAQ of Rockwell hardness tester

FAQ of Rockwell hardness tester

23/05/2019 17:00

The FAQ of Rockwell Hardness Tester Who did invent Rockwell testing method for the material testing? Answer: It is acceptable that Mr. Hugh M. Rockwell (1890–1957) and Mr. Stanley P. Rockwell (1886–1940) from Connecticut in the United States co-invented the "Rockwell hardness tester," a …

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FAQ of Ultrasonic Hardness Tester

FAQ of Ultrasonic Hardness Tester

23/05/2019 16:57

The FAQ of Ultrasonic Hardness Tester Are there any international standard for the ultrasonic hardness tester? There are three standards for the ultrasonic hardness testers acceptable in the world, the standard number as follows: ASTM A1038-2017; DIN50159-2009; GB/T 34205-2017 What …

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