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Setra Blog

May 31, 2019

Decoding Humidity Accuracy

Considering humidity accuracy measurements is necessary when selecting a relative humidity transmitter. Accuracy, by definition, is "the degree to which the result of a measurement, calculation, or specification conforms to the correct value or standard" (Oxford English Dictionary). When comparing accuracy measurements of different relative humidity sensors, understanding the factors included in said measurements is crucial. An accuracy measurement should consist of non-linearity, hysteresis, repeatability, and calibration uncertainty. These factors can be defined as:

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May 28, 2019

Preparing for The Joint Commission Visits

The Joint Commission (TJC) is a non-profit organization dedicated to ensuring hospitals and other medical facilities provide safe, high-quality care to patients. TJC accredits healthcare organizations throughout the United States. Accreditation occurs every 3 years, but inspection surveys occur unannounced every 18 to 39 months, taking between 2 and 3 days to complete. For most of the United States, Medicare and Medicaid funding depend on TJC accreditation.

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May 24, 2019

Semiconductor Manufacturing

The semiconductor chip manufacturing industry includes several processes during a fabrication of the integrated circuits to be used in electronics. As such, many of these processes are complex and sensitive. Setra offers pressure management solutions capable of handling a wide range of responsibilities and solving the complicated tasks of stable semiconductor manufacturing. The semiconductor manufacturing industry relies on their suppliers or business partners to help provide precise delivery of pressure and vacuum management solutions.

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May 22, 2019

Can a Particle Counter Communicate on my Existing Network?

When selecting a particle counter, it is necessary to consider what building automation network it can communicate with. Examining the available options helps to ensure the particle counter will connect to your existing network.

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May 20, 2019

Controlling a Space with FLEX-RC

Building on the strengths of the Setra FLEX, FLEX-RC adds control capability to the monitor and alarming functions. With the added control capability, FLEX-RC can help manage an environment in a number of ways.

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May 14, 2019

HVAC/R and HVAC/R OEM

HVAC/R systems can be designed to perform a variety of functions. Examples of these functions include improving comfort, managing maintenance within a building, minimizing mold, and monitoring pressure in a critical space. HVAC/R encompasses many applications, including:

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May 09, 2019

Building Automation and Energy Management

Building automation systems (BAS) are increasingly common in a variety of environments to make HVAC systems as efficient as possible and reduce the need for in-person monitoring of pressure in each area. The value of a BAS relies heavily on a number of components seamlessly integrated together. Pressure transducers that conduct intensely accurate measurements work in tandem with room pressure monitors presenting real-time data and raising alarms if something goes wrong. Calibration equipment ensures building automation tools work smoothly and accurately without the need to oversee them. A BAS can be used in many applications, from filter monitoring to green buildings to zone control in critical environments.

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May 08, 2019

The Importance of Counting 2.5um Particles in Hospital Operating Rooms

Nosocomial infections (also known as Hospital-Acquired Infections, Healthcare-Associated Infections, or HAIs) can result in otherwise avoidable extended hospital stays, readmittance, follow-up treatments, and even death. HAIs can often spread via airborne transmission, which emphasizes the need for proper room pressurization to contain hazardous particles. Operating rooms (ORs) are an area where patients are especially at risk for contracting infections. 2.5µm particles are an important leading indicator of the potential presence of contaminants that could put the patient at risk. The best opportunity to manage the risk of infections is by limiting 2.5µm particles in a space.

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April 30, 2019

The Model AXD is now available!

Now available, the Model AXD is Setra's most versatile pressure transducer yet. Built for high performance applications, the Model AXD features a patented overpressure stop that allows the sensor to recover from overpressure conditions up to 8x the rated range. With a specially designed diaphragm for each pressure range, the Model AXD can measure pressure from 1 PSI to 10,000 PSI full scale. The Model AXD can operate over a wide temperature range from -40 to 125°C.

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April 23, 2019

How Many T/RH Sensors Do I Need in My Space?

Many HVAC, critical environments, and industrial applications employ temperature and relative humidity (T/RH) sensors. But exactly how many T/RH sensors does an application require? It is difficult to spec the exact requirements for certain applications for a variety of reasons. No two applications are identical, and thus no two spaces require the same number of T/RH sensors. As each application is unique, the number of sensors needed depends on several factors, including:

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