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November 29, 2018
White Paper Xchange 

Achieving Reliable Interface Measurement in the Field

Interface level applications exist throughout the oil & gas and petrochemical industries. They can be difficult to measure, and there is no perfect technology on the market. However, process optimization and increased uptime can still be achieved through reliable, best-in-class technology. Learn about level measurement solutions in this white paper.

Why a 0 mA Signal is Not Practical

Alpha Controls & Instrumentation
For decades, process instrumentation has largely relied on 4-20 mA signals to transmit process data easily and reliably. Moreover, it has been the signal of choice in the process control industry for many reasons. One in particular is the fact that current does not degrade and it remains constant at any point in the loop. Therefore, it is a very efficient means to transmit process information. But, why do we use 4-20 mA instead of 0-20 mA? That is a very common question among individuals in the industry. This article will discuss three reasons why a 0 mA signal is not as useful and why 4-20 mA is the industry standard.

Getting Safety Critical O2 Measurements Every 2 Seconds

Probe-type TDL Oxygen Analyzers in Critical Applications
Safety monitoring in flare systems, vapor recycling and other processes is vital for preventing explosions.

In situ monitoring with tunable diode lasers (TDL) analyzers is fast and accurate, with a T90 response time of only 2 seconds, allowing for a quick reaction to oxygen excursions. Other technologies take 4-10x as long to get an accurate response. Our white paper explores benefits of TDL analyzers in safety-critical applications.

CoriolisMaster mass flowmeter for diagnostics, verification and proof test

Users often question whether their measuring devices are working properly and within specified measurement accuracy. The CoriolisMaster flowmeter models by ABB include technology for integrated online diagnosis and accuracy verification. This technology constantly monitors the oscillating meter tube within the flowmeter for erosion and coating deposits.

Bridging the Gap between HART Devices and IIoT, the Industrial Internet of Things

Moore Industries
This white paper outlines how the flow of process and diagnostics data from smart HART digital field instruments can now be shared with mid and higher level control, asset management and data information systems without having to upgrade expensive process control interface equipment. Features and considerations of devices that enable this sharing of data are also reviewed and suggested.
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