Emerson Exchange 365

How are wireless devices and the Industrial Internet of Things related?

In reply to Jim Cahill:

Radar level technology is has not as far as I know been approved by regulators for Custody Transfer. It is used as a back up measurement in transfers from tanks and floating storage units however the custody transfer would usually be dynamic metering , turbine, Coriolis,USM.

In reply to Jim Cahill:

Some comments before we address why hydrogen is used . There are several carrier gases used in chromatography Hydrogen , Helium, Argon , Nitrogen . The reason that you see hydrogen often mentioned is based on the detection method. One detector used in the GC is the thermal conductivity detector (TCD) . This detector is base on comparison of the process gas being measured to a reference gas . Hydrogen has the highest thermal conductivity factor of all these gases , therefore hydrogen used as the carrier gas gives you best sensitivity. However if you want to measure Hydrogen you would use another carrier i.e. Nitrogen , again difference in thermal conductivity . Helium is use predominately in the USA , safer, no explosive issues. More if required

In reply to Jim Cahill:

For our Guided Wave Radars and Non-Contacting Radars, we offer a diagnostic adder option called Signal Quality Metrics (SQM). In GWR helps you to monitor probe health and in NCR, it helps you to monitor condition of the antenna. The function works by measuring signal to noise ratio real time in your control room, helping you with preventive maintenance and enhancing the life of the radar transmitter.

In reply to Jim McLelland:

one other reason you see Hydrogen used instead of Helium is that in the market today it is much cheaper. Commercial laboratories are very sensitive to costs so use hydrogen in place of helium.

For tall columns, how best to deal with drift over the day when measuring level with DP?

In reply to Jim McLelland:

Why CO is need to be measure in combustion analysis and why some of plant measure CO while the other measure not measure it?? is CO important parameter in combustion or not??

In reply to Jim Cahill:

Industrial IoT (IIoT) starts from the sensors. Industrial "Things" are pumps, cooling towers, and gearboxes etc. To monitor these equipment remotely across the internet such as a connected service to ensure reliability and energy efficiency, you need to put sensors on these equipment. In an existing plant it is not really practical to run more wires for all these sensors. Therefore wireless sensors are used most of the time. It is the most practical way. So yes, IIoT and wireless sensors is very related.

For differential pressure flow transmitter, should HMI / faceplate display the measurement in pressure as mbar or flow unit like m3/s and kg/s?

In reply to Charles Johnson:

Just want to clarify that Emerson's Tank Gauging Radars are approved by regulators for Custody Transfer - compliant to OIML and API2350 standards for bulk liquid storage.

In reply to Jonas Berge:

You may also wish to read this essay for in depth: www.linkedin.com/.../iiot-architecture-standards-every-level-lets-you-change-jonas-berge

What are some ways to address pressure gauge failures in high vibration areas?

To post a question, please choose REPLY. We were hoping to keep the information from the event in one location for future reference and apologize for any confusion.

Best Regards,

Rachelle McWright: Business Development Manager, Dynamic Simulation: U.S. Gulf Coast

In reply to one10zero:

I suggest asking the operator what they prefer. Most likely flow unit

In reply to one10zero:

If you have the options on your HMI both should be displayed both mbar value and the calculated m3/s, m3/hr or kg/s