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

Death, Vacuum Tube Contamination & Taxes: How to Diagnose and Clean

Death, Vacuum Tube Contamination & Taxes: How to Diagnose and Clean One thing is for sure in the HVAC industry: at some point you will run into contaminated sensors… just like death and taxes, guaranteed!  If your chosen micron gauge uses thermocouple vacuum tubes, read on!  Let’s review the mechanics of thermocouple tubes. The inside of a thermocouple tube has two wires in the shape of an X, and measureable gas surrounds those wires.  The thermocouple element senses temperature  as the surrounding gas cools the thermocouple. Because the temperature of the wire is directly proportional to the amount of gas in

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Working With Multiple Ranges of Vacuum in the Semiconductor Industry

Working With Multiple Ranges of Vacuum in the Semiconductor Industry If you are managing a vacuum process in the Semiconductor industry, you need the accuracy and isolation of several capacitance manometers, optimally all in one reading, but often have to look at several confusing displays. When dealing with 4 or more decades of vacuum, single readings are difficult to interpret, time consuming and frustrating!  A solution to this problem is

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HVAC Repair and the Black Hole: Diagnosing Poor System Performance

HVAC Repair and the Black Hole: Diagnosing Poor System Performance Ever been in the black hole of HVAC service calls: you’ve checked x, and y, and z…and still a call back?? Let us help you out of that dark, creepy place!  First, using a vacuum gauge during HVAC troubleshooting helps you to avoid the 4 common pitfalls of poor HVAC performance, which are: Half charged systems,  Over charged systems, System not clean and free of contaminants, and System is not leak free. How do you use a vacuum gauge to tell the status of your system and detect leaks and

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Vacuum Gauges And Connectivity: Accessing Your Data From Anywhere

Vacuum Gauges And Connectivity: Accessing Your Data From Anywhere Having a network-connected vacuum gauge enables you to save your vacuum data (great for troubleshooting at a distance with a master tech or scientist) and makes it accessible wherever you need it, across the hall or around the world.  Connectivity Options The vacuum gauge connectivity required for the job depends on the system being used. Basic analog readings work for quick, simple measurement, when you want to observe vacuum pressure at a given moment. Other applications require detailed analytics that leverage current vacuum measurements and trends over time. This data may need to

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Vacuum Magic: Houdini’s Guide to How A Vacuum Gauge Regulates Pressure

Vacuum Magic: Houdini’s Guide to How A Vacuum Gauge Regulates Pressure Understanding how a vacuum gauge regulates pressure can be a mystery.  Watch Nicole, as she demonstrates vacuum pressure regulation using a digital vacuum controller, balloon, and glass jar.  Before our experiment, let’s review some vacuum vocabulary: Vacuum controller: a device that is used to maintain pressure for a period of time.  The method of vacuum regulation used is called downstream pressure control. Set point:  the targeted vacuum value the user wishes to maintain. In our experiment, the set point is chosen and the switch is turned to regulate (on). The

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Safety 1st: Benefits of Using a Vacuum Gauge to Perform a Leak Test

Safety 1st: Benefits of Using a Vacuum Gauge to Perform a Leak Test When troubleshooting an HVAC system, using a micron vacuum gauge (that has on board analytics) as a leak test is a safe way to assess why the system is not performing. A common problem in vacuum systems is that they are wet and have contaminants. Using a vacuum gauge enables you to determine when your system is dry, without damaging it. Vacuum testing is safer than pressure testing (implosion vs. explosion).  The last  thing you want to do is damage the HVAC system and be responsible for

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And The Winner Is…..

Little Jack, future Digivac CEO, picked the winner of our Bullseye Micron Gauge Giveaway. Watch this video to see if you won! If you didn’t win, we decided to show a little love: we took $100 off for our faithful blog subscribers – available to the first 20 who take advantage!  Click here to get this deal..

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