A High-Vacuum Controller For An Eventual Electron Microscope

[Chris Doble] has high ambitions: he’s making his own scanning-electron microscope, and as the first step he’s built a high-vacuum system. This required its own controller to manage the various ele…

Hackaday
The bar unit on a pressure gauge represents a practical and widely used way to measure pressure. Defined as 100,000 pascals, it provides a convenient scale for interpreting pressure in various applications, from automotive tires to industrial machinery.
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https://www.ourmechanicalworld.com/archives/1782
What Does Bar Mean On A Pressure Gauge? - Ourmechanicalworld.com

Understanding pressure measurements is essential in industries ranging from automotive maintenance to industrial engineering. One of the most commonly used

our mechanical world

Random photo from the garage of my late father. Old stuff. Would be nice to know where this came out of. 🤷‍♂️

#PressureGauge #Lyth #housekeeping #photography