Instrumentation

Latest Instrumentation Articles

Approximately 75,000 gallons of water are required to produce 1 ton of steel. Water transfers heat, removes scale from steel and converts gases produced in ovens and furnaces.

Rural wastewater utilities rarely, if ever, consider upgrading to an automated control system.

In today’s industrial facilities, using reliability-centered maintenance as the primary approach to reduce maintenance costs and operational downtime is more commonplace.

Most engineers would say that the International Society of Automation (ISA) 100 standard covers wireless instrumentation in process plants.

Many engineers and technicians in the motor control industry consider a programmable logic controller (PLC) a necessary component for variable frequency drive (VFD) control.

Deep lake water cooling (DLWC) is a groundbreaking cooling system that provides an alternative to conventional air conditioning.

Hillview Water Company in Oakhurst, Calif., credits its cellular SCADA system for averting disaster in winter 2011.

A hydraulic pump directly coupled with a servomotor is an energy-efficient solution that delivers highly dynamic performance with double-digit energy savings typical.

Manually managing a water system can be difficult, especially with population growth and limited resources. Saving time and money are common challenges for utilities.

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Columns

Power factor (PF) is an important component of an alternating current (AC) circuit, but understanding its actual effect can be difficult. Why is PF mysterious to many of us? It has to do with the way it is explained.

In past “Pumping Prescriptions” columns this year, I have discussed the procedure of piping size selection when given the process flow requirement and how this affects the pump’s power consumption. In this column, two computer calculation tools will be detailed.

A reciprocating power pump, as depicted in Figure 1, is a displacement machine. It has characteristics that are different than a centrifugal pump.

Blogs

The global water crisis claims 5,500 lives each day—more than war, natural disasters, AIDS or hunger. It is a sobering problem but not an impossible one to solve.

Beautiful, inspiring, even haunting—these are some of the words that describe the National 9/11 Memorial fountains in New York.

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