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Vacuum Instruments For Lyophilizers | What You Need To Know

Posted by Eric Beardslee on Jan 7, 2015 12:13:43 PM

Accurate, reliable vacuum readings during freeze drying processes is one of the bigger challenges faced by users of older lyophilizers, and an even greater challenge faced by those designing new systems.
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Topics: Medical/Pharma, Food/Beverage

PID for Vacuum System Automation

Posted by Tom Bassi on Dec 12, 2014 5:55:00 PM

PID is an acronym for using a closed loop feedback system with the terms Proportional, Integral and Derivative.  While it uses calculus-type words, it is straightforward to configure and is what many industrial processes rely on for predictable automation.  It works on the principal of minimizing the error between the current vacuum reading and the desired set point vacuum pressure.   While PID can work on any closed system, it is also very useful for vacuum systems.  The balancing act is tuning
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Topics: Vessel Downtime, Manufacturing, Calibration, Semiconductor, Surface Treatment, Food/Beverage

Using a Vacuum Gauge in Food & Beverage Process Customization

Posted by Tom Bassi on Nov 24, 2014 9:00:00 AM

Removing oxygen in many food and beverage processes is critical.  If this is done manually, the process can be time consuming and result in inconsistent oxygen removal. However, this process can be automated by removing oxygen (O2) via recursive evacuating and backfill cycles.     Automation can be accomplished with
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Topics: Manufacturing, Custom Vacuum Solutions, Food/Beverage