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Vacuum knowledge straight from the source. Browse DigiVac's products and educational materials for vacuum experts by vacuum experts.

A PID Control Guide: How to Tune Your PID Controller

How to Tune the PID Controller? Tuning for PID control can be a bit complicated, since it’s all about balance and striking the perfect harmony among three different variables.  Finding this balance, however, is how your automated processes will continue running smoothly.  If a system is poorly tuned, several mishaps can happen, such as: Therefore, productivity can be impacted as it can make operators wait, reduce yield, or increase premature failures. For such instances, we have a white paper on our website that goes in depth about PID control in vacuum systems.  Said paper also has a brief explanation on

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How the SNAP External Valve Solves Vent Speed Control

The SNAP Vacuum Controller & Controlling Venting Speed The Issue A customer came to DigiVac and expressed the desire to control a vacuum chamber.  One specific requirement they had was to be able to vent the chamber in X amount of time.  With that in mind, our DigiVac RnD team went to work to take measurements on the venting speed of an off-the-shelf SNAP Vacuum Controller.   Research and Development For some insight, the SNAP Vacuum Controller has a built-in vent valve that allows users to vent to certain setpoints, as well as vent to atmosphere.  Unfortunately, it didn’t vent as

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How to clean your thermocouple

Why Should You Clean Your Vacuum Sensors?

Why Should You Clean Your Vacuum Sensors? A Case Study in Contaminated Vacuum Sensors & Their Effect on Readings Tim pitched a blog idea to me based around my experience with this repair. A customer sent a StrataVac Touch back that wasn’t reading correctly. The sensors were so contaminated for so long that it changed how they read vacuum and even after repeated cleanings and attempted adjustments, the gauge would not read in spec. I took some data at relevant points after cleaning but before calibrating, after attempted calibration, and then after replacing the sensors. Seems like a good potential

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What Is Vacuum and How Is It Measured?

What Is Vacuum and How Is It Measured?

What is Vacuum and How Is It Measured? For someone new to the idea, vacuum can seem a little complicated, but the truth is that it’s not all that difficult to understand. Vacuum is used in many more places than one might first believe, including fields such as food processing, material handling, and industrial and laboratory applications. So, what is vacuum exactly? In this article, we’ll tell you exactly what vacuum is and how it is measured so you can get a better idea about what it is we do and why we do it. What Is Vacuum? Vacuum is

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Fundamentals of Convection-Enhanced Pirani Gauges

Fundamentals of Convection-Enhanced Pirani Gauges Convection-enhanced Pirani gauges work on the same principle as thermocouple sensors, where vacuum measurement is made based on the rate of heat loss from an excited sensor wire. Additional heat loss occurs due to convection at higher pressures. This type of gauge takes advantage of this heat loss and the range of measurement is extended compared to a thermocouple-type sensor, whose usable range is considerably shorter. They also have a faster response time than thermocouples, in milliseconds compared to seconds. They are popular in a wide range of industries due to their wide range of measurement. DigiVac has

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New Offer: StrataVac Convection-Pirani Gauge

New Offer: StrataVac Convection-Pirani Gauge The new convection pirani controllers from DigiVac are incredibly versatile. They are the newest convection-enhanced pirani entrant into the market, and add a host of features previously unavailable with the other convection pirani controller offers. Ability to control 1, 2, or 3 convection-enhanced pirani sensors by a single instrument Ability to combine multiple pirani gauges with wide range gauges or capacitance manometers Native ability to control valves for vent, load lock and vacuum process control with the Convectron pirani sensor Simple easy to use large 7” touch screen with graphing and large numbers to display

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