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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Selecting the correct accuracy for your sensing application is only half the challenge; being able to maintain that level of accuracy over time is equally important. To clarify on what we mean by the accuracy, we define it as the maximum difference between the actual value and the sensor’s output (in terms of %FS). Maintaining a sensor’s accuracy is difficult. Users face the issue of a sensor going out of tolerance and are unaware of the root causes. Depending on the level of accuracy required by the application, the consequences of imprecise accuracy can vary. For example, an isolation room requires a high level of accuracy to protect both the patients’ and medical professionals’ health and safety. If a room pressure monitor provided doctors and nurses with an incorrect sensor output, they can make incorrect judgments such as walking into a improperly labeled space. Based off of the inaccurate sensor output, doctors and nurses can also accidently release harmful contaminants into the rest of the hospital without a proper alarm notification.
After understanding the basis of sick building syndrome, recognizing the root causes for the syndrome is the next step for prevention or treatment. By properly identifying the root causes, suitable countermeasures can be constructed. Causes for sick building syndrome can be classified into three categories:
When selecting a humidity sensor, we recommend choosing one with a field replaceable tip. Why are we recommending this? A field replaceable tip is easy to replace and allows the end-user to swap the sensor on-site without having to calibrate the unit or remove it from its mount. We recommend sensors with field replaceable tips for the following reasons:
Pressure sensors are used across a variety of industries to provide accurate, real-time data of how a process or system is operating in a given application. But how can you tell if your data is accurate? The most common method to ensure the accuracy of sensor output is to calibrate your sensor against a higher accuracy pressure sensor (calibration standard). Now, how can you tell if your calibration standard is accurate? This is where measurement traceability plays into the calibration process.
As we have talked about in our Importance of Measuring Humidity post, accurate humidity measurement is crucial. Building owners must be sure to maintain and monitor humidity levels for occupants' comfort and safety. Improper humidity measurement can put a building at risk for mold and other airborne pathogens which can lead to sick building syndrome.
There are three types of mounts for humidity sensors; wall mount, duct mount or outdoor air. In order to operate correctly with a long life expectancy, it is vital that the sensor is properly mounted and placed. Proper mounting requires careful consideration to ensure the sensor meets your needs. Here is a guide on how to place three types of humidity sensors:
https://www.setra.com/products/pressure/model-asl-high-accuracy-pressure-transducerWith the growing requirements of building maintenance, HVAC systems are no longer able to meet demand operating alone. Whether it is a commercial, retail or industrial building, pressure sensors play a significant role in monitoring the building for occupants’ safety and comfort. When integrated with pressure technology, HVAC systems can operate at optimum levels as well as improve building maintenance. Three ways this can be done are:
Integrating energy management into your company’s budget is a challenging task. There are many reasons why companies today are not investing in energy management. Many owners view investments in as an expense rather than an investment. Energy costs often account for the largest portion of a company’s expenditures yet many don't realize that an energy management program can save money and provide an immediate ROI. We understand that budgets are tight, however by being creative with your budget there are several steps that can be taken to save money in order to invest in energy management.
After selecting your pressure transducer, it is now time to select a power supply. It is important to select the proper power supply to ensure all components are functioning properly and recording accurate data.
Until recently, there was no standard industry network protocol for building automation, and users had to choose between many different systems from different manufacturers. Proprietary communications were a result of no off-the shelf communication solution. Today, we have reached a place where there are three inter-operable standard network protocols to choose from: BACnet, LonWorks and Modbus. All three are widely used, and according to a Building Operating Management survey in 2011, 62% of respondents had at least one BACnet application; for LonWorks the percentage was 40%, while for Modbus the number was 30%.
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