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Setra Blog

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Feb 27, 2017 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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Feb 23, 2017 6:41:00 AM

What is Capacitance?

Capacitance is becoming more integrated in many of today’s applications such as computer memory, condenser microphones, radio receivers, and pulsed magnets. Capacitance is defined as a measure of the amount of potential electric energy that can be stored for a given medium in an electric conductor.  A capacitor is an electronic device designed to provide capacitance in an electrical circuit by providing two conducting electrode plates for storing energy. This technology doesn’t measure the amount of energy stored but rather the potential energy that can be stored. There are various methods of measuring capacitance, generally measured in farads (micro, nano, and pico).  

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Feb 16, 2017 5:43:00 AM

What Are The Difficulties Of Low Pressure Calibration?

Calibration is important regardless of what type of pressure you are monitoring.

Calibration is especially significant for low pressure requirements in critical applications such as vivariums, pharmaceutical manufacturing, cleanrooms and hospital isolation rooms. Other applications for low pressure include medical instrumentation, environmental pollution control, boiler combustion efficiency, air flow and research and development test stands.  

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Feb 9, 2017 6:59:00 AM

The AHR 2017 Experience

Thank you to all who visited us at Booth C1452 in the Building Automation and Controls section of the AHR Expo this year in Las Vegas, Nevada! We enjoyed seeing both new and familar faces! The world's largest HVACR event was anything but boring and we think the 60,000 attendees would have to agree.

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Feb 6, 2017 6:02:00 AM

The DASI System, Barometric Pressure Measurement & the FAA

Barometric altimeters calculate and display altitude by measuring the local barometric pressure and converting that measurement into altitude. This conversion is done using the Standard Atmosphere Table, an international standard representing the barometric pressure at various altitudes on a so-called "standard day" which assumes a consistent non-linear relationship between altitude and pressure.

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Jan 30, 2017 6:07:00 AM

How Often Should I Calibrate A Pressure Transducer?

Transducers are used across many applications to provide accurate, real-time data of how a system is working. Calibration is critical to maintaining a pressure transducer’s accuracy and it is not a one-time process. All pressure transducers used in critical applications should be regularly calibrated to maintain high performance. If a transducer drifts out of its specified pressure range, it can lead to false pressure readings causing decreased equipment performance and possible safety concerns. Calibration allows the user to be completely confident that their transducers are correctly performing and measuring the required pressure range accurately.

So, how often should you calibrate a pressure transducer? It is a common question we get asked all the time. Pressure transducers should be calibrated as often as needed in order to, maintain the necessary accuracy for the application. The amount of calibration required by the transducer can vary based on factors, such as the application and the transducer’s stability
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Jan 26, 2017 6:12:00 AM

What is the difference between Vented and Sealed Gauge Reference Pressure?

After clarifying the different types of pressure measurements and the difference between absolute and gauge, it is time to expand and discuss the two types of gauge pressure; vented gauge and sealed gauge reference pressure.

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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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