Latest Instrumentation Articles

SCADA can be utilized for remote data acquisition, but because it is primarily a real-time control system, the user must make significant compromises to use it for this purpose. These compromises include cost, data integrity, flexibility, convenience and control of the task. Here are some considerations to think through.

Wireless technology is enabling INEOS Köln GmbH (Cologne, Germany) to detect blocked filters in polyethylene pellet transportation tubes that can lead to production downtime at its plant in Cologne.

Monitoring motor-pump combinations for signs of impending problems provides useful information to prevent pump failure and minimize costly downtime. Since rotating machines exhibit recognizable failure modes that are revealed by their vibrations, analysis of vibration data can identify changing conditions and diagnose an evolving problem. This can be the difference between a plant or mill continuing to operate or having to shut down for unscheduled repairs.

Control panel products enhance smooth operations.

Regeneration occurs in an AC variable frequency drive system when the load overhauls the motor. This can occur when trying to decelerate the load, or when some external force causes the motor to overhaul and act like a generator. The energy contained in the rotating equipment flows into the drive, and is manifested as increased DC bus voltage in the inverter. This over voltage is traditionally wasted as heat by means of dynamic braking resistors.

Lubricated machines require clean, dry oil to work properly.

Explore differential pressure, electromagnetic, vortex and swirl, and variable area (rotameters).

Comparing the vibration performance of identical or like machines can be used to detect defects and judge their severity.

The town of Walden rests on a high glacial plain in Colorado, just 20 miles from the Wyoming border in Jackson County. Situated in the center of a large open valley called North Park, the 734 residents (based on the 2000 census) of the town and the surrounding area refer to themselves as "North Parkers."

Under an Energy Conservation Performance Program, Miami-Dade County commissioned a study to evaluate potential capital improvement projects fully funded from the projected savings in energy consumption and/or operating and maintenance costs. Through this program, the cost of new equipment is financed through energy and/or other realized operational cost savings. The capital funding otherwise required to replace existing mechanical systems is avoided, and those funds can then become available for other County needs.

Pumping control system updates aging lift station network. pump system optimization

Understanding technology capabilities and application requirements is important when selecting a wireless technology for an application. The reasons to choose wireless include reduced installation costs, installation and deployment flexibility and the ability to address new applications. Before selecting wireless, first ensure the bandwidth available with wireless meets the application requirements.

The third annual Product Innovation of the Year award was hotly contested again this year. The contest examined products entered into the marketplace between September 1, 2010 and August 31, 2011.

While it is valid to state that energy efficiency is defined as the same level of production achieved at an overall lower energy cost, it is equally important for today's machine builders and automation engineers to remember an energy efficient system can actually translate into higher productivity. This is achievable through a comprehensive approach to energy management.

The details of a mass-based chemical injection system for an application that requires critical dosing of a trace chemical into a continuous flowing fluid.

Paddle wheel flow sensors not only continue to remain strong in industrial applications, their use is growing. Because these devices offer the lowest cost per sensing point of any flow measurement technology, users can save significantly on purchase, installation and maintenance costs.

If pump cavitation is not detected and quickly eliminated, significant damage can occur to the impeller and other internal components. Since cavitation (the formation and collapse of vapor bubbles in the pumped fluid as it passes through the pump impeller) is often temporary or even induced by the process, timely knowledge of the condition is extremely important so operators can act to alleviate the problem and prevent damage.

Packaged pump systems are gaining popularity due to their space saving design, simplified installation, single source responsibility and advanced control options with communication ability.

The DelMonte vegetable processing facility in Crystal City, Texas, is a cannery for spinach, carrots and beets. Located 40 miles from the Mexican border, the plant has been in operation since World War II. The facility's capacity for canned spinach currently approaches 800,000 cans per day, so it needs dependable equipment.

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