Calibrating multi-variable flowmeters

If you’re using more than one variable from a single device, you need to calibrate all of them sooner or later. Video: Beamex demonstrates dual pressure calibration.


Flash is required!

Ned Espy demonstrates how to calibrate both the differential and static pressure reading in one operation.

One of the advantages of modern process sensor technology is that you can often measure more than one type of process variable with only one device and one penetration into the process. Probably the most common example of this is using a differential pressure (DP) sensor with an orifice plate or other device to measure flow. In most situations, the sensor can also give you a pressure reading of the line and probably a process temperature as well.

If you’re using all those readings, your quality assurance program will typically require you to calibrate all those functions as part of your larger sensor calibration routines. Some field calibration devices, such as the Beamex MC6, can handle the differential pressure, static pressure, and temperature devices in one operation.

In the attached video, Ned Espy discusses how this approach works, and demonstrates how it can be done on a Rosemount 3051S multi-variable transmitter. The test tools used in this case include two pressure gages, RTD simulator, mA meter, and HART communicator. The methods used for testing can be applied to calibration and verification of other flowmeters and complex smart instruments.

Read more on multi-variable sensors.

Peter Welander,

No comments
The Engineers' Choice Awards highlight some of the best new control, instrumentation and automation products as chosen by...
The System Integrator Giants program lists the top 100 system integrators among companies listed in CFE Media's Global System Integrator Database.
The Engineering Leaders Under 40 program identifies and gives recognition to young engineers who...
This eGuide illustrates solutions, applications and benefits of machine vision systems.
Learn how to increase device reliability in harsh environments and decrease unplanned system downtime.
This eGuide contains a series of articles and videos that considers theoretical and practical; immediate needs and a look into the future.
Make Big Data and Industrial Internet of Things work for you, 2017 Engineers' Choice Finalists, Avoid control design pitfalls, Managing IIoT processes
Engineering Leaders Under 40; System integration improving packaging operation; Process sensing; PID velocity; Cybersecurity and functional safety
Mobile HMI; PID tuning tips; Mechatronics; Intelligent project management; Cybersecurity in Russia; Engineering education; Road to IANA
This article collection contains several articles on the Industrial Internet of Things (IIoT) and how it is transforming manufacturing.

Find and connect with the most suitable service provider for your unique application. Start searching the Global System Integrator Database Now!

SCADA at the junction, Managing risk through maintenance, Moving at the speed of data
Flexible offshore fire protection; Big Data's impact on operations; Bridging the skills gap; Identifying security risks
The digital oilfield: Utilizing Big Data can yield big savings; Virtualization a real solution; Tracking SIS performance
click me