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Setra Blog

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Nov 24, 2016 6:17:00 AM

The Importance of Maintaining Building Humidity

While it is important to maintain proper relative humidity levels in office buildings for worker comfort and productivity, it is also just as important to maintain proper levels in factories, production facilities and art galleries to protect industrial, commercial and artistic products.

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Nov 21, 2016 11:23:01 AM

Are Your Heating and Cooling System Test Stands Compliant?

Recently, the Department of Energy (DOE) released a new requirement that goes into effect on Jan. 1st, 2017 as part of the "Energy Conservation Program: Test Procedures for Central Conditioners & Heat Pumps.” All manufacturers of heating and cooling systems need to ensure that the AHR units they manufacture for residential and small commercial applications meet this new standard.

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Nov 7, 2016 5:40:00 AM

Why Do You Need to Calibrate Pressure Transducers?

One of the biggest concerns after pressure transducers have been installed is knowing how accurate the results will be over time. As a result pressure transducers are replaced more often than necessary or are calibrated with outdated technology. Low-pressure transducers used in critical applications require calibration after extended use to ensure

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Nov 2, 2016 6:03:00 AM

What is Total Error Band & How do You Calculate It?

Total Error Band (TEB) is a measurement of worst case error; it is the most comprehensive and concise measurement of a sensors true accuracy over a compensated temperature range.  TEB is extremely important to know when trying to determine how well a sensor will work within a particular design system. By calculating TEB you'll be able to understand the different possibilities for error. Formulating TEB can be tricky if you don't have the right inputs readily available. 

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Oct 31, 2016 6:38:00 AM

Make Halloween Spookier with Pressure Transducers

Happy Halloween From Setra

Have you ever wanted to build your own Haunted House or Spooky Trail?

I'm sure we've all thought about it one time or another. You know what I'm talking about. Places like amusement parks, fairs, or even a homemade one that your “Halloween Crazed” neighbors down the street built themselves. But how do they work?

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Oct 24, 2016 5:48:00 AM

How To Measure Velocity And Flow

In HVAC/R applications it is helpful to understand the methods used to determine air velocity. Air velocity (distance traveled per unit of time) is most often expressed in feet per minute (FPM).  Multiplying air velocity by the area of a duct allows you to determine the air volume flowing past a point in the duct per unit of time. Volume flow is generally measured in cubic feet per minute (CFM).

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Oct 3, 2016 6:09:00 AM

How do I pressurize an anteroom?

There are several techniques for managing safe and reliable pressurized rooms in healthcare and laboratory applications. When anterooms are present, such as those used for isolation rooms and pharmacies, it is not always clear how the anteroom should be pressurized in relation to the adjoining room and hallway. 

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Sep 29, 2016 4:30:00 AM

Guide for Establishing Relative Humidity Levels in Operating Rooms

Successful surgery depends not only on the performance of medical professionals, but also on the integrity of the environment. Relative humidity is a critical component in maintaining the safety and performance of an operating room (OR).

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Aug 15, 2016 5:55:00 AM

What is a Vivarium?

A vivarium refers to an enclosed area designed to provide a stable environment for animals and plants for observation or scientific research. Often, vivariums contain a portion of an ecosystem for a particular species with controlled environmental conditions on a smaller scale. A vivarium contains racks of various sizes dependent on the species it contains.

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Jul 11, 2016 4:00:00 AM

Where are hospitals consuming the most energy?

Hospitals are one of the most energy intense buildings on the planet.

As budgets are becoming tighter, many hospitals today are moving towards energy management for cost savings. In breaking down how hospitals can save on energy costs, the first step is to understand what areas of the hospital consume the most energy. Keep in mind that energy consumption varies for each individual hospital based on certain factors such as the hospitals primary function and geographic location.

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