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Setra Blog

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Jan 23, 2017 5:46:00 AM

What is Barometric Pressure?

Have you ever wondered why the top results when searching for barometric pressure, are about atmospheric pressure? Barometric pressure refers to the measure of atmospheric pressure, which is the pressure of the atmosphere at the earth’s surface. Both types of pressure can be thought of as the weight of air pressing down on the earth.

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Jan 19, 2017 5:58:00 AM

5 Considerations When Selecting a Pressure Transducer for Industrial Applications

1. Pressure

The first and most important consideration is pressure. A number of questions must be answered to ensure the correct transducer is selected. What is the pressure range that the transducer will measure? What is the maximum pressure the transducer will encounter? What is the potential for over pressure in the system?

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Jan 16, 2017 5:30:00 AM

How to use a single Power Supply to power pressure transducers

When installing a pressure transducer system selecting a power supply, may not be one of the first things that comes to your mind. Since a single power supply can be used to power multiple pressure transducers, many regard it as a non-vital task. Nonetheless, it is essential to have the proper configurations between the power source and devices in order for all components to communicate properly and to avoid receiving inaccurate data. Here are some of the best practices we found for using a single power supply to power multiple devices.

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Jan 5, 2017 7:02:00 AM

What is the difference between Unidirectional vs. Bidirectional Differential Pressure Ranges?

Nowadays, there are many applications that require positive and negative differential pressures between a reference room and a room of concern. Isolation rooms, respirators, ventilation and air exhaust systems, overshooting and shooting a given liquid level inhalation, and exhalation setups, are a few applications where these pressures are monitored. It is important to understand the difference between unidirectional and bidirectional differential pressure transducers to make sure you choose the best unit for your application.

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Jan 3, 2017 6:50:00 AM

How to Troubleshoot a Pressure Transducer

Pressure transducers today are more rugged and reliable than ever. Made of stainless steel construction, they provide abundant overpressure protection, improved total error band, and offer negligible orientation and vibration effects. They are ideal for long-term use even in harsh environments of extreme temperature, humidity, and vibration.

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Dec 29, 2016 7:13:00 AM

Can A Room Pressure Monitor Help Me Save Energy?

Monitoring and controlling room pressure in laboratory and healthcare settings can do more than just ensure directional airflow (positive or negative pressure rooms). Proper room pressure also contributes to saving energy. Overpressure or under-pressure scenarios mean that airflow, or even temperature control, are not optimal.

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Dec 26, 2016 6:16:00 AM

Why is Pressure Sensor Accuracy Important?

The accuracy of differential pressure transducers has greatly improved to provide better solutions for demanding applications. This article discusses why accuracy is an important consideration when selecting a pressure transducer for low-differential, critical pressure applications.

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Dec 15, 2016 5:54:00 AM

What is overpressure and how can it be prevented?

Can’t handle the pressure?

Can you believe that pressure transducers are not always able to handle high pressure? Overpressure, or proof pressure, is a major concern for engineers and OEM designers when assembling machinery and selecting a pressure transducer. Overpressure refers to the maximum pressure value a transducer can withstand without affecting performance; it can also refer to a situation where the pressure value exceeds the limits. Although it is not ideal, pressure transducers can withstand occasional pressures up to their overpressure rating, eventually returning to their natural state. However, pressures that reach burst pressure, the maximum pressure that may be applied to the positive pressure port without physically damaging the internal sensing component, can rupture the diaphragm and cause leakage. Pressures above overpressure but below burst pressure can result in permanent diaphragm deformation, causing an output shift affecting operational performance or accuracy readings.

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Dec 12, 2016 5:21:00 AM

How To Stop Water Hammer

What is Water Hammer?

Water hammer is shock wave produced by the sudden stoppage or reduction of a fluid flow. This can cause sudden rises in pressure and damage instrumentation. In tank level measurement applications, high pressures can be generated by the sudden closure of a valve on an outlet line. Although it might seem to be a consistent flow, the water inside pipes tumbles as it moves through.

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Dec 8, 2016 5:47:00 AM

Explosion Proof & Intrinsically Safe Defined

Below are terms that are associated with use of transducers and electrical equipment in areas which are defined as hazardous by national rating agencies.

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